Player statistics

Jumpei Yamasaki

Birthday:	Jul 02, 1997
Age:	25 years
Country:	Japan
Current rank:	>500
Highest rank:	446 (Sep 30, 2019)
Total matches:	374
Prize money:	$64 530
Points:	n/a
Plays:	Right-handed

Year	Summary	Hard	Clay	I.hard	Carpet	Grass	Acrylic
2022	25/13	25/13	0/0	0/0	0/0	0/0	0/0
2021	9/18	7/11	2/7	0/0	0/0	0/0	0/0
2020	1/4	1/3	0/0	0/1	0/0	0/0	0/0
2019	38/21	33/15	0/3	4/2	1/1	0/0	0/0
2018	42/33	37/29	2/1	3/3	0/0	0/0	0/0
2017	19/26	17/20	0/2	2/2	0/2	0/0	0/0
2016	44/24	38/21	6/3	0/0	0/0	0/0	0/0
2015	19/13	7/5	7/6	0/0	5/1	0/1	0/0
2014	9/8	4/4	5/3	0/0	0/0	0/1	0/0
2013	5/3	1/1	4/1	0/0	0/1	0/0	0/0
Total	211/163	170/122	26/26	9/8	6/5	0/2	0/0

Player 1		Player 2	Results				Round	Date	Tournament	Surf.
Keisuke Saitoh JPN	-	J. Yamasaki	6-2	4-2	Ret.		q1	29 Oct 22	Yokohama Challenger	Hard

Simone Roncalli ITA (3)	-	J. Yamasaki (6)	6-4	6-3			1/4	14 Oct 22	M15 Heraklion	Hard
J. Yamasaki (6)	-	T. Suksumrarn THA	7-6⁵	6-2			2^nd	13 Oct 22
J. Yamasaki (6)	-	G. Cadenasso ITA (q)	7-6⁷	6-3			1^st	12 Oct 22

Cheong-Eui Kim KOR	-	J. Yamasaki	2-6	6-4	7-6⁵		1^st	12 Apr 22	M15 Chiang Rai	Hard

T. Nirundorn THA	-	J. Yamasaki (5)	6-7⁴	6-4	6-2		1^st	06 Apr 22	M15 Chiang Rai	Hard

Oscar Weightman GBR (q)	-	J. Yamasaki (8)	6-2	6-2			Fin.	03 Apr 22	M15 Monastir	Hard
J. Yamasaki (8)	-	Khololwam Montsi RSA	5-7	7-5	6-1		1/2	02 Apr 22
J. Yamasaki (8)	-	Filip Peliwo CAN (1)	6-1	1-6	6-1		1/4	01 Apr 22
J. Yamasaki (8)	-	M. Sibanda ZIM	6-3	6-2			2^nd	31 Mar 22
J. Yamasaki (8)	-	Luca Castagnola ITA (q)	6-2	6-3			1^st	30 Mar 22

Anton Matusevich GBR (3)	-	J. Yamasaki	6-4	6-2			1^st	25 Mar 22	M25 Quinta Do Lago	Hard

Lucas Miedler AUT (3)	-	J. Yamasaki (q)	6-3	6-3			2^nd	18 Mar 22	M25 Loule	Hard
J. Yamasaki (q)	-	Joshua Paris GBR (q)	6-3	6-1			1^st	17 Mar 22
J. Yamasaki (q)	-	Vojtech Vlkovsky CZE	6-3	6-4			Q.	17 Mar 22
J. Yamasaki (q)	-	R. M.-Hernandez ESP	6-0	6-2			q2	16 Mar 22
J. Yamasaki (q)	-	M. Martin ESP	6-2	6-2			q1	13 Mar 22

Deney Wassermann NED (q)	-	J. Yamasaki	7-5	3-6	10-5		Q.	08 Mar 22	M25 Portimao	Hard
J. Yamasaki	-	Niv Zuckerman ISR	6-1	6-1			q2	07 Mar 22
J. Yamasaki	-	P. Bueno ESP	6-2	6-1			q1	06 Mar 22

Laurent Lokoli FRA (5)	-	J. Yamasaki (q)	6-2	6-4			1/4	04 Mar 22	M25 Faro	Hard
J. Yamasaki (q)	-	S. Fanselow GER (3)	6-2	3-6	6-3		2^nd	04 Mar 22
J. Yamasaki (q)	-	Tiago Cacao POR	6-3	6-4			1^st	02 Mar 22
J. Yamasaki (q)	-	Aleksi Lofman FIN	7-5	6-3			Q.	01 Mar 22
J. Yamasaki (q)	-	Miguel Simao POR	6-2	6-0			q2	28 Feb 22
J. Yamasaki (q)	-	A. Ventura ESP	6-0	6-0			q1	27 Feb 22

Alec Deckers NED (q)	-	J. Yamasaki	6-7⁷	7-6⁵	10-8		Q.	31 Jan 22	M15 Monastir	Hard
J. Yamasaki	-	Jing Long Weng NED	6-2	6-3			q2	31 Jan 22
J. Yamasaki	-	T. Chilakalapudi IND	6-1	6-1			q1	30 Jan 22

Marko Topo SRB (WC)	-	J. Yamasaki (q)	6-4	7-5			2^nd	27 Jan 22	M25 Monastir	Hard
J. Yamasaki (q)	-	N. Ionel ROU (5)	6-0	6-3			1^st	26 Jan 22
J. Yamasaki (q)	-	Valentin Lapalu FRA	6-0	6-1			Q.	24 Jan 22
J. Yamasaki (q)	-	Zhuyuan Li CHN	6-1	6-1			q2	23 Jan 22

Yunseong Chung KOR (6)	-	J. Yamasaki (q)	6-4	6-2			2^nd	20 Jan 22	M25 Monastir	Hard
J. Yamasaki (q)	-	Egor Tsarapkin RUS (WC)	6-2	6-4			1^st	19 Jan 22
J. Yamasaki (q)	-	Daniel Bagnolini ITA	6-1	6-0			Q.	17 Jan 22
J. Yamasaki (q)	-	Kris Van Wyk RSA	6-3	6-1			q2	16 Jan 22

Dan Added FRA (2)	-	J. Yamasaki	6-4	6-4			1^st	12 Jan 22	M25 Monastir	Hard

S. Fanselow GER (5)	-	J. Yamasaki	4-6	6-4	6-4		1^st	06 Oct 21	M25 Setubal	Hard

Kyle Seelig USA	-	J. Yamasaki (6)	6-0	7-5			2^nd	26 Aug 21	M15 Monastir	Hard
J. Yamasaki (6)	-	Keisuke Saitoh JPN (q)	6-1	6-1			1^st	25 Aug 21	M15 Monastir	Hard

M. Martinez ARG (q)	-	J. Yamasaki (8)	5-7	6-1	7-5		1^st	18 Aug 21	M15 Monastir	Hard

Sho Shimabukuro JPN (5)	-	J. Yamasaki	6-3	6-2			1^st	11 Aug 21	M15 Monastir	Hard

Yunseong Chung KOR	-	J. Yamasaki (q)	6-2	6-2			2^nd	05 Aug 21	M25 Decatur	Hard
J. Yamasaki (q)	-	A. Kovacevic USA (8)	6-4	3-6	6-3		1^st	04 Aug 21
J. Yamasaki (q)	-	Stefan Dostanic USA	6-4	6-4			Q.	03 Aug 21
J. Yamasaki (q)	-	Carson Haskins USA	6-1	6-2			q1	03 Aug 21

Gijs Brouwer NED (5)	-	J. Yamasaki	6-3	6-0			2^nd	29 Jul 21	M25 Champaign	Hard
J. Yamasaki	-	Martin Damm USA	7-6⁸	7-6⁶			1^st	28 Jul 21	M25 Champaign	Hard

Martins Podzus LAT (5)	-	J. Yamasaki	7-5	6-3			1^st	03 Mar 21	M15 Sharm El Sheikh	Hard

Shintaro Imai JPN (2)	-	J. Yamasaki	7-6⁵	7-6¹			1^st	24 Feb 21	M15 Sharm El Sheikh	Hard

Lucas Catarina MON (6)	-	J. Yamasaki	6-2	6-4			1^st	17 Feb 21	M15 Sharm El Sheikh	Hard

Chien-Hsun Lo TPE	-	J. Yamasaki	6-3	6-4			q2	08 Feb 21	M15 Sharm El Sheikh	Hard
J. Yamasaki	-	Rishi Reddy IND	6-4	6-4			q1	08 Feb 21	M15 Sharm El Sheikh	Hard

Daisuke Sumizawa JPN (q)	-	J. Yamasaki	4-6	6-1	10-8		q2	01 Feb 21	M15 Sharm El Sheikh	Hard
J. Yamasaki	-	F. Bertuccioli ITA	6-3	6-2			q1	01 Feb 21	M15 Sharm El Sheikh	Hard

Chien-Hsun Lo TPE (q)	-	J. Yamasaki	7-6²	7-5			1^st	05 Feb 20	M25 Nonthaburi	Hard

Adam Pavlasek CZE	-	J. Yamasaki	6-3	6-3			1^st	29 Jan 20	M25 Nonthaburi	Hard

Kasidit Samrej THA (q)	-	J. Yamasaki (5)	6-3	6-4			2^nd	09 Jan 20	M15 Hong Kong	Hard
J. Yamasaki (5)	-	Wai Yu Kai HKG	6-2	6-1			1^st	08 Jan 20	M15 Hong Kong	Hard

Tatsuma Ito JPN	-	J. Yamasaki	6-2	6-2			1^st	04 Dec 19	Australian Open (Asia, Wildcard)	Hard

Benjamin Pietri FRA (q)	-	J. Yamasaki (6)	6-4	3-6	6-2		1^st	27 Nov 19	M15 Nonthaburi	Hard

Daisuke Sumizawa JPN (q)	-	J. Yamasaki (8)	6-2	1-0	Ret.		2^nd	10 Oct 19	M25 Tay Ninh	Hard
J. Yamasaki (8)	-	C. Chin MAS (q)	6-2	6-0			1^st	09 Oct 19	M25 Tay Ninh	Hard

Rimpei Kawakami JPN	-	J. Yamasaki (7)	6-1	6-3			1^st	02 Oct 19	M25 Tay Ninh	Hard

E. L.-Perez ESP (9)	-	J. Yamasaki	6-4	3-6	6-2		2^nd	11 Sep 19	Shanghai Challenger	Hard
J. Yamasaki	-	Kazuki Nishiwaki JPN (q)	6-3	6-2			1^st	10 Sep 19	Shanghai Challenger	Hard

J. Yamasaki (3)	-	Dusty H. Boyer USA	6-3	6-1			Fin.	24 Aug 19	M15 Jakarta	Hard
J. Yamasaki (3)	-	Rhett Purcell GBR	6-3	7-6³			1/2	24 Aug 19
J. Yamasaki (3)	-	Aaron Schmid SUI	7-6³	7-5			1/4	23 Aug 19
J. Yamasaki (3)	-	Pak Long Yeung HKG (q)	6-3	6-3			2^nd	22 Aug 19
J. Yamasaki (3)	-	Kunal Anand IND (LL)	6-3	6-2			1^st	20 Aug 19

N. Poonacha IND	-	J. Yamasaki (3)	6-4	6-7¹	7-5		2^nd	15 Aug 19	M15 Jakarta	Hard
J. Yamasaki (3)	-	Phuong Van Nguyen VIE (JR)	6-2	6-4			1^st	13 Aug 19	M15 Jakarta	Hard

Ji Sung Nam KOR (11)	-	J. Yamasaki (ITF)	6-3	6-2			2^nd	06 Aug 19	Yokkaichi Challenger	Hard
J. Yamasaki (ITF)	-	Blake Ellis AUS	6-4	6-4			1^st	05 Aug 19	Yokkaichi Challenger	Hard

Yusuke Takahashi JPN (5)	-	J. Yamasaki (IR)	6-2	6-2			2^nd	25 Jul 19	M25 Taipei	Hard
J. Yamasaki (IR)	-	Rhett Purcell GBR	3-6	6-1	6-2		1^st	23 Jul 19	M25 Taipei	Hard

Kousuke Ogura JPN (q)	-	J. Yamasaki (IR)	2-6	6-3	6-4		1^st	17 Jul 19	M25 Taipei	Hard

Issei Okamura JPN (q)	-	J. Yamasaki (SE)	4-6	7-5	6-1		1^st	11 Apr 19	M25 Matsuyama	Hard

J. Yamasaki (SE)	-	Yuki Mochizuki JPN	6-2	2-6	6-2		Fin.	07 Apr 19	M15 Kashiwa	Hard
J. Yamasaki (SE)	-	Makoto Ochi JPN (2)	5-7	7-6⁵	3-0	Ret.	1/2	06 Apr 19
J. Yamasaki (SE)	-	Cheong-Eui Kim KOR (7)	6-4	3-6	6-4		1/4	05 Apr 19
J. Yamasaki (SE)	-	Issei Okamura JPN (WC)	6-3	6-2			2^nd	04 Apr 19
J. Yamasaki (SE)	-	Ji Sung Nam KOR (4)	6-3	2-6	7-6³		1^st	03 Apr 19

Shintaro Imai JPN	-	J. Yamasaki	6-4	6-4			Fin.	31 Mar 19	M15 Tsukuba	Hard
J. Yamasaki	-	Mick Veldheer NED (q)	6-2	6-2			1/2	30 Mar 19
J. Yamasaki	-	Gage Brymer USA (q)	6-3	6-7⁴	7-5		1/4	29 Mar 19
J. Yamasaki	-	Yunosuke Tanaka JPN (WC)	6-2	1-6	6-3		2^nd	28 Mar 19
J. Yamasaki	-	Masamichi Imamura JPN (5)	6-1	4-6	6-4		1^st	27 Mar 19

J. Yamasaki	-	Sho Shimabukuro JPN (WC)	7-6⁵	6-3			Fin.	24 Mar 19	M15 Kofu	Hard
J. Yamasaki	-	Ryota Tanuma JPN	6-2	6-4			1/2	23 Mar 19
J. Yamasaki	-	Yusuke Takahashi JPN (1)	6-3	6-1			1/4	22 Mar 19
J. Yamasaki	-	Min-Kyu Song KOR (7)	7-5	6-1			2^nd	21 Mar 19
J. Yamasaki	-	Keisuke Saitoh JPN (JR)	6-2	6-3			1^st	19 Mar 19

Shintaro Imai JPN (SE)	-	J. Yamasaki	3-6	6-3	6-3		2^nd	14 Mar 19	M15 Nishi-Tokyo	Hard
J. Yamasaki	-	Michael Look AUS (8)	6-4	2-6	6-2		1^st	13 Mar 19	M15 Nishi-Tokyo	Hard

Ji Sung Nam KOR (2)	-	J. Yamasaki	6-2	6-1			1/2	09 Mar 19	M15 Nishi-Tama	Hard
J. Yamasaki	-	Seong Chan Hong KOR (7)	3-6	7-6⁶	6-2		1/4	08 Mar 19
J. Yamasaki	-	Gengo Kikuchi JPN	7-6⁵	4-6	6-3		2^nd	08 Mar 19
J. Yamasaki	-	Blake Ellis AUS (3)	7-5	6-4			1^st	06 Mar 19

Jenson Brooksby USA (JR)	-	J. Yamasaki (8)	6-2	6-1			2^nd	07 Feb 19	M15 Claremont	Hard
J. Yamasaki (8)	-	Dusty H. Boyer USA	4-6	6-3	7-6⁵		1^st	06 Feb 19	M15 Claremont	Hard

Evan Furness FRA	-	J. Yamasaki (q)	6-0	6-4			1/4	04 Jan 19	M25 Hong Kong	Hard
J. Yamasaki (q)	-	Alen Avidzba RUS	7-5	7-6³			2^nd	03 Jan 19
J. Yamasaki (q)	-	Zsombor Piros HUN (1)	7-6⁴	7-5			1^st	02 Jan 19
J. Yamasaki (q)	-	Runhao Hua CHN	6-2	6-0			Q.	01 Jan 19
J. Yamasaki (q)	-	P. Magalit HKG	6-2	6-1			q1	31 Dec 18

Denis Yevseyev KAZ (1)	-	J. Yamasaki	6-3	7-5			2^nd	25 Dec 18	Hong Kong F3 (Hong Kong)	Hard
J. Yamasaki	-	Ryota Tanuma JPN	4-6	7-6¹	6-4		1^st	25 Dec 18	Hong Kong F3 (Hong Kong)	Hard

Kento Takeuchi JPN	-	J. Yamasaki (6)	6-3	0-6	7-6⁵		1^st	09 Oct 18	Thailand F6 (Hua Hin)	Hard

Shintaro Imai JPN (2)	-	J. Yamasaki (8)	6-2	6-4			1/2	06 Oct 18	Thailand F5 (Hua Hin)	Hard
J. Yamasaki (8)	-	Alexander Igoshin RUS	3-6	6-3	6-3		1/4	04 Oct 18
J. Yamasaki (8)	-	Tsung-Hao Huang TPE (q)	6-7⁷	6-4	6-1		2^nd	03 Oct 18
J. Yamasaki (8)	-	Prachaya Baibong THA (WC)	6-0	6-0			1^st	02 Oct 18

Karunuday Singh IND	-	J. Yamasaki (7)	6-4	7-5			2^nd	25 Sep 18	Thailand F4 (Hua Hin)	Hard
J. Yamasaki (7)	-	Wei-De Lin TPE	6-4	2-0	Ret.		1^st	25 Sep 18	Thailand F4 (Hua Hin)	Hard

Tung-Lin Wu TPE	-	J. Yamasaki	6-2	6-2			q2	09 Sep 18	Shanghai Challenger	Hard
J. Yamasaki	-	A. Shanmugam IND	6-4	6-7⁷	6-3		q1	08 Sep 18	Shanghai Challenger	Hard

Oh-Hee Kwon KOR	-	J. Yamasaki (6q)	6-4	6-4			1^st	21 Aug 18	Korea F5 (Gimcheon)	Hard
J. Yamasaki (6q)	-	Jungwon Park KOR	6-4	6-0			Q.	20 Aug 18
J. Yamasaki (6q)	-	In Kyo Jeong KOR	6-1	3-0	Ret.		q2	19 Aug 18
J. Yamasaki (6q)	-	Dukyoung Kim KOR	6-4	6-4			q1	18 Aug 18

Yecong He CHN (q)	-	J. Yamasaki	6-2	6-4			q2	12 Aug 18	Gwangju Challenger	Hard
J. Yamasaki	-	Fajing Sun CHN	6-1	2-6	6-2		q1	11 Aug 18	Gwangju Challenger	Hard

Matej Sabanov CRO	-	J. Yamasaki	6-4	6-4			q1	04 Aug 18	Jinan Challenger	Hard

Miliaan Niesten NED (q)	-	J. Yamasaki	6-2	6-2			q1	28 Jul 18	Chengdu Challenger	Hard

Taha Baadi CAN	-	J. Yamasaki	7-6⁶	6-4			q1	21 Jul 18	Granby Challenger	Hard

Jacob Grills AUS (q)	-	J. Yamasaki	6-3	6-1			q1	14 Jul 18	Gatineau Challenger	Hard

Sem Verbeek NED	-	J. Yamasaki	7-6³	7-6⁴			q1	08 Jul 18	Winnipeg Challenger	Hard

Yuki Mochizuki JPN	-	J. Yamasaki (8)	6-4	6-4			1/2	28 Jun 18	Hong Kong F1 (Hong Kong)	Hard
J. Yamasaki (8)	-	Chukang Wang CHN (q)	6-0	6-2			1/4	27 Jun 18
J. Yamasaki (8)	-	A. Tang HKG (WC)	5-7	6-3	6-1		2^nd	27 Jun 18
J. Yamasaki (8)	-	Wei-De Lin TPE (q)	6-3	6-3			1^st	26 Jun 18

Soon-Woo Kwon KOR (1WC)	-	J. Yamasaki (5)	6-3	6-1			1/4	22 Jun 18	Korea F3 (Daegu)	Hard
J. Yamasaki (5)	-	Young Seok Kim KOR	7-6⁵	6-4			2^nd	20 Jun 18
J. Yamasaki (5)	-	Seunghun Shin KOR (q)	4-6	6-2	6-1		1^st	19 Jun 18

Ju-Hae Moon KOR (WC)	-	J. Yamasaki (4)	6-4	7-5			2^nd	13 Jun 18	Korea F2 (Gyeongsan)	Hard
J. Yamasaki (4)	-	Tae-Woo Lee KOR	6-3	6-0			1^st	11 Jun 18	Korea F2 (Gyeongsan)	Hard

Kento Takeuchi JPN (4)	-	J. Yamasaki	6-4	4-6	7-6¹		2^nd	15 May 18	China F6 (Luan)	Hard
J. Yamasaki	-	Huixin Wang CHN	6-3	6-3			1^st	14 May 18	China F6 (Luan)	Hard

Rigele Te CHN	-	J. Yamasaki	6-3	7-6⁵			1/2	12 May 18	China F5 (Wuhan)	Hard
J. Yamasaki	-	Kuan-Yi Lee TPE (6)	6-4	6-4			1/4	11 May 18
J. Yamasaki	-	Cheong-Eui Kim KOR (1)	6-2	7-5			2^nd	09 May 18
J. Yamasaki	-	Weibowen Zou CHN (WC)	6-0	6-0			1^st	08 May 18

Chun Hsin Tseng TPE	-	J. Yamasaki (4)	6-2	6-3			1/4	02 May 18	Vietnam F1 (Thua Thien Hue)	Hard
J. Yamasaki (4)	-	N. Poonacha IND (q)	6-4	3-6	6-1		2^nd	01 May 18
J. Yamasaki (4)	-	Justin Barki INA (WC)	6-4	6-4			1^st	30 Apr 18

Renta Tokuda JPN (5)	-	J. Yamasaki	4-6	6-2	6-4		1/4	13 Apr 18	Japan F6 (Matsuyama)	Hard
J. Yamasaki	-	Xin Gao CHN	3-6	7-6⁵	6-4		2^nd	11 Apr 18
J. Yamasaki	-	Yuuya Kibi JPN	7-6¹³	6-1			1^st	09 Apr 18

Shintaro Imai JPN	-	J. Yamasaki	6-3	6-4			2^nd	03 Apr 18	Japan F5 (Kashiwa)	Hard
J. Yamasaki	-	Soichiro Moritani JPN	6-1	6-3			1^st	02 Apr 18	Japan F5 (Kashiwa)	Hard

Makoto Ochi JPN	-	J. Yamasaki (q)	6-1	6-2			1^st	27 Mar 18	Japan F4 (Tsukuba)	Hard
J. Yamasaki (q)	-	Teppei Uesugi JPN	6-2	7-5			Q.	26 Mar 18
J. Yamasaki (q)	-	Yuga Tashiro JPN	6-2	6-3			q2	25 Mar 18
J. Yamasaki (q)	-	Takuya Kureoka JPN	6-1	6-0			q1	24 Mar 18

Shuichi Sekiguchi JPN (6)	-	J. Yamasaki	6-7⁸	7-6³	6-2		1^st	19 Mar 18	Japan F3 (Kofu)	Hard

Daniel Nguyen USA (3)	-	J. Yamasaki (q)	6-1	2-6	6-1		1^st	12 Mar 18	Japan F2 (Nishi-Tokyo)	Hard
J. Yamasaki (q)	-	Naru Shirafuji JPN	6-0	6-0			Q.	12 Mar 18
J. Yamasaki (q)	-	Takashi Yasugami JPN	6-0	6-3			q2	11 Mar 18

Yuki Mochizuki JPN	-	J. Yamasaki	6-1	6-3			2^nd	08 Mar 18	Japan F1 (Nishi-Tama)	Hard
J. Yamasaki	-	Kaichi Uchida JPN (1)	1-6	7-6³	6-3		1^st	05 Mar 18	Japan F1 (Nishi-Tama)	Hard

Stephane Robert FRA (5)	-	J. Yamasaki (q)	3-6	6-1	6-3		1^st	26 Feb 18	Yokohama Challenger	Hard
J. Yamasaki (q)	-	Masamichi Imamura JPN	4-6	7-6⁵	6-4		Q.	25 Feb 18
J. Yamasaki (q)	-	Maverick Banes AUS	2-6	6-1	6-4		q2	24 Feb 18
J. Yamasaki (q)	-	Kento Takeuchi JPN	6-3	6-3			q1	23 Feb 18

Riccardo Bonadio ITA (5)	-	J. Yamasaki (q)	6-2	7-6⁰			1^st	31 Jan 18	Egypt F3 (Sharm El Sheikh)	Hard
J. Yamasaki (q)	-	Louis Lechevretel FRA	6-3	6-4			Q.	29 Jan 18
J. Yamasaki (q)	-	Ren Nakamura JPN	6-1	7-5			q2	28 Jan 18

Louis Lechevretel FRA	-	J. Yamasaki	4-6	7-6⁵	6-4		q1	20 Jan 18	Egypt F2 (Sharm El Sheikh)	Hard

Hiroki Moriya JPN	-	J. Yamasaki	6-1	6-4			1^st	16 Jan 18	Egypt F1 (Sharm El Sheikh)	Hard

Fabien Reboul FRA (3)	-	J. Yamasaki	7-5	6-4			2^nd	03 Jan 18	Hong Kong F6 (Hong Kong)	Hard
J. Yamasaki	-	Marshall Tutu GBR (q)	6-2	7-5			1^st	01 Jan 18	Hong Kong F6 (Hong Kong)	Hard

Tung-Lin Wu TPE	-	J. Yamasaki	6-3	7-6⁰			1^st	17 Dec 17	Hong Kong F4 (Hong Kong)	Hard

Sung Jun Park KOR	-	J. Yamasaki	6-4	7-5			q2	11 Dec 17	Thailand F12 (Hua Hin)	Hard

J. Navasirisomboon THA (LL)	-	J. Yamasaki	6-3	3-6	6-3		q2	09 Oct 17	Thailand F8 (Nonthaburi)	Hard

E. Johnson USA	-	J. Yamasaki	4-6	7-6⁴	6-1		q1	30 Sep 17	Stockton Challenger	Hard

Henry Craig USA (SE)	-	J. Yamasaki (8)	3-6	6-4	6-3		2^nd	28 Sep 17	USA F32 (Fountain Valley)	Hard
J. Yamasaki (8)	-	M. Hovhannisyan USA (WC)	6-4	7-5			1^st	26 Sep 17	USA F32 (Fountain Valley)	Hard

Ryan Shane USA (4)	-	J. Yamasaki (8)	6-3	6-2			1/4	22 Sep 17	USA F31 (Laguna Niguel)	Hard
J. Yamasaki (8)	-	Conor Berg USA (q)	6-3	6-3			2^nd	21 Sep 17
J. Yamasaki (8)	-	John Lamble USA (q)	1-6	6-3	6-3		1^st	20 Sep 17

W. Trongcharoenchaikul THA	-	J. Yamasaki	6-4	6-3			q2	04 Sep 17	Zhangjiagang Challenger	Hard
J. Yamasaki	-	Tao Mu CHN	6-4	3-0	Ret.		q1	03 Sep 17	Zhangjiagang Challenger	Hard

N. Prashanth IND (6)	-	J. Yamasaki	7-6²	3-6	6-3		2^nd	16 Aug 17	Thailand F6 (Nonthaburi)	Hard
J. Yamasaki	-	Ching-Mou Yu TPE	3-6	7-6⁹	6-4		1^st	14 Aug 17	Thailand F6 (Nonthaburi)	Hard

Ching-Mou Yu TPE (7)	-	J. Yamasaki	3-6	7-6⁵	7-5		1^st	08 Aug 17	Thailand F5 (Nonthaburi)	Hard

Jacob Grills AUS	-	J. Yamasaki (5)	6-2	4-6	6-0		2^nd	05 Jul 17	Hong Kong F3 (Hong Kong)	Hard
J. Yamasaki (5)	-	C. Lee MAS (q)	6-0	6-0			1^st	03 Jul 17	Hong Kong F3 (Hong Kong)	Hard

Shintaro Imai JPN (3)	-	J. Yamasaki (6)	6-4	6-2			1/4	28 Jun 17	Hong Kong F2 (Hong Kong)	Hard
J. Yamasaki (6)	-	Hong Kit Wong HKG	1-6	6-4	6-3		2^nd	28 Jun 17
J. Yamasaki (6)	-	F. Alcantara PHI	6-3	4-6	6-4		1^st	25 Jun 17

Yuki Mochizuki JPN	-	J. Yamasaki (3)	7-5	6-2			1/2	23 Jun 17	Hong Kong F1 (Hong Kong)	Hard
J. Yamasaki (3)	-	Katsuki Nagao JPN	6-3	6-1			1/4	22 Jun 17
J. Yamasaki (3)	-	E. Johnson USA	6-3	6-3			2^nd	21 Jun 17
J. Yamasaki (3)	-	Hei Yin Andrew Li HKG	6-4	6-1			1^st	20 Jun 17

Gianluca Bergomi ITA (q)	-	J. Yamasaki	5-5	Ret.			1^st	18 Apr 17	Qatar F3 (Doha)	Hard

Daniel Altmaier GER (1)	-	J. Yamasaki	6-1	6-3			1^st	11 Apr 17	Qatar F2 (Doha)	Hard

Kaito Uesugi JPN	-	J. Yamasaki (7)	6-2	6-2			2^nd	30 Mar 17	Japan F4 (Tsukuba)	Hard
J. Yamasaki (7)	-	Yusuke Watanuki JPN	6-7³	6-4	7-6³		1^st	28 Mar 17	Japan F4 (Tsukuba)	Hard

Jea Moon Lee KOR (q)	-	J. Yamasaki	7-6⁴	6-3			2^nd	22 Mar 17	Japan F3 (Kofu)	Hard
J. Yamasaki	-	Renta Tokuda JPN	6-3	1-6	6-3		1^st	20 Mar 17	Japan F3 (Kofu)	Hard

Jea Moon Lee KOR (q)	-	J. Yamasaki (8)	6-1	6-3			1^st	14 Mar 17	Japan F2 (Nishi-Tokyo)	Hard

Gengo Kikuchi JPN	-	J. Yamasaki	6-4	6-2			1^st	07 Mar 17	Japan F1 (Nishi-Tama)	Hard

Blake Mott AUS (q)	-	J. Yamasaki	6-0	6-1			Q.	26 Feb 17	Yokohama Challenger	Hard
J. Yamasaki	-	Kaito Itsusaki JPN	6-3	6-3			q2	25 Feb 17
J. Yamasaki	-	Roberto Quiroz ECU	6-3	3-6	7-5		q1	24 Feb 17

G. Blancaneaux FRA (6)	-	J. Yamasaki (4)	6-4	6-4			1/4	05 Jan 17	Hong Kong F6 (Hong Kong)	Hard
J. Yamasaki (4)	-	Tung-Lin Wu TPE	6-3	6-4			2^nd	04 Jan 17
J. Yamasaki (4)	-	Skyler Butts HKG (q)	6-3	6-2			1^st	03 Jan 17

Jay Clarke GBR (4)	-	J. Yamasaki (6)	6-3	6-2			1/4	29 Dec 16	Hong Kong F5	Hard
J. Yamasaki (6)	-	Ken Onishi JPN	7-6⁵	6-4			2^nd	28 Dec 16
J. Yamasaki (6)	-	Aria Harajchi SUI	6-2	6-3			1^st	27 Dec 16

Theo Fournerie FRA	-	J. Yamasaki (7)	3-6	7-6⁶	6-2		1^st	23 Nov 16	Greece F11	Hard

Vaclav Safranek CZE (1)	-	J. Yamasaki (8)	6-1	6-4			1/2	19 Nov 16	Greece F10	Hard
J. Yamasaki (8)	-	Lenny Hampel AUT (4)	7-6⁴	4-6	7-5		1/4	18 Nov 16
J. Yamasaki (8)	-	Milan Drinic SRB	6-7⁵	7-6⁶	1-0	Ret.	2^nd	17 Nov 16
J. Yamasaki (8)	-	Mor Bulis ISR	6-2	6-1			1^st	16 Nov 16

C. Hirschmueller GER	-	J. Yamasaki	6-1	6-1			1/4	11 Nov 16	Greece F9	Hard
J. Yamasaki	-	Germain Gigounon BEL (2)	4-6	6-4	6-1		2^nd	10 Nov 16
J. Yamasaki	-	Petar Conkic SRB	6-2	6-4			1^st	08 Nov 16

Takuto Niki JPN (2)	-	J. Yamasaki	4-6	7-5	6-3		Fin.	22 Oct 16	Chinese Taipei F2	Hard
J. Yamasaki	-	Makoto Ochi JPN (1)	4-0	Ret.			1/2	22 Oct 16
J. Yamasaki	-	Yuichi Ito JPN (7)	6-4	3-0	Ret.		1/4	21 Oct 16
J. Yamasaki	-	Jeson Patrombon PHI	3-6	6-0	6-4		2^nd	20 Oct 16
J. Yamasaki	-	Nikola Cacic SRB (4)	6-4	6-4			1^st	17 Oct 16

W. Trongcharoenchaikul THA	-	J. Yamasaki (8)	7-6⁶	7-6⁸			1^st	11 Oct 16	Chinese Taipei F1	Hard

Nam Hoang Ly VIE	-	J. Yamasaki (8)	7-6⁸	6-2			1^st	27 Sep 16	Vietnam F6	Hard

Renta Tokuda JPN	-	J. Yamasaki	7-5	6-1			1/2	08 Sep 16	Thailand F3	Hard
J. Yamasaki	-	Antoine Escoffier FRA (2)	6-4	2-6	6-0		1/4	07 Sep 16
J. Yamasaki	-	Issei Okamura JPN (5)	4-6	6-2	6-4		2^nd	07 Sep 16
J. Yamasaki	-	Joan Soler FRA (q)	6-3	6-1			1^st	06 Sep 16

Renta Tokuda JPN	-	J. Yamasaki	4-6	6-2	6-0		2^nd	31 Aug 16	Thailand F2	Hard
J. Yamasaki	-	Congsup Congcar THA (WC)	6-1	3-6	7-5		1^st	30 Aug 16	Thailand F2	Hard

Pruchya Isarow THA	-	J. Yamasaki	7-6⁵	6-2			1^st	22 Aug 16	Thailand F1	Hard

J. Navasirisomboon THA (LL)	-	J. Yamasaki	5-7	6-4	6-4		1^st	09 Aug 16	Vietnam F3	Hard

C. Rungkat INA (6)	-	J. Yamasaki	6-2	6-2			1/2	05 Aug 16	Vietnam F2	Hard
J. Yamasaki	-	Maxime Tabatruong FRA (4)	6-2	6-3			1/4	05 Aug 16
J. Yamasaki	-	Renta Tokuda JPN (SE)	6-1	6-3			2^nd	04 Aug 16
J. Yamasaki	-	Liang-Chi Huang TPE (5)	6-3	6-3			1^st	02 Aug 16

Gengo Kikuchi JPN (7)	-	J. Yamasaki (q)	2-6	7-6³	6-3		2^nd	28 Jul 16	Vietnam F1	Hard
J. Yamasaki (q)	-	Congsup Congcar THA (q)	6-3	7-5			1^st	26 Jul 16
J. Yamasaki (q)	-	Hoang Hai Nguyen VIE	6-0	6-0			Q.	25 Jul 16

A. Whittington AUS (1)	-	J. Yamasaki (q)	6-3	6-2			Fin.	24 Jun 16	Hong Kong F3	Hard
J. Yamasaki (q)	-	Jake Delaney AUS (q)	4-6	6-3	6-4		1/2	24 Jun 16
J. Yamasaki (q)	-	Yecong He CHN (3)	6-3	2-6	6-3		1/4	23 Jun 16
J. Yamasaki (q)	-	K. Wachiramanowong THA	6-3	6-1			2^nd	22 Jun 16
J. Yamasaki (q)	-	Rishab Agarwal IND	6-4	3-6	6-1		1^st	21 Jun 16
J. Yamasaki (q)	-	Zach Itzstein AUS	7-6⁵	6-1			Q.	20 Jun 16
J. Yamasaki (q)	-	Ching Lam HKG	6-1	6-4			q1	20 Jun 16

Bowen Ouyang CHN (8)	-	J. Yamasaki (q)	6-4	6-4			1^st	15 Jun 16	Hong Kong F2	Hard
J. Yamasaki (q)	-	Wei-De Lin TPE	6-3	6-1			Q.	13 Jun 16
J. Yamasaki (q)	-	Ki Lung Ng HKG	6-1	6-1			q1	13 Jun 16

Aaron Addison AUS (q)	-	J. Yamasaki	7-6⁶	6-3			1^st	07 Jun 16	Hong Kong F1	Hard

Frederico Gil POR	-	J. Yamasaki (q)	6-2	7-5			1/4	27 May 16	Portugal F7	Hard
J. Yamasaki (q)	-	Daniel Nolan AUS (7)	6-4	6-0			2^nd	26 May 16
J. Yamasaki (q)	-	J. Delgado ESP	6-4	6-3			1^st	25 May 16
J. Yamasaki (q)	-	Tomas Oliveira POR (LL)	6-0	6-1			Q.	23 May 16
J. Yamasaki (q)	-	J. Carvalho POR	6-3	6-1			q2	23 May 16
J. Yamasaki (q)	-	Tiago Machado POR	6-0	6-1			q1	23 May 16

B. Miralles ESP (5)	-	J. Yamasaki (WC)	6-7⁵	6-1	7-5		1^st	18 May 16	Portugal F6	Hard

Alan Gleeson IRL	-	J. Yamasaki	6-4	7-5			q2	09 May 16	Portugal F5	Hard

Sanhui Shin KOR (q)	-	J. Yamasaki (q)	3-6	6-2	6-2		1^st	30 Mar 16	Japan F4	Hard
J. Yamasaki (q)	-	Keisuke Numajiri JPN	6-4	6-4			Q.	28 Mar 16
J. Yamasaki (q)	-	Yutaro Matsuzaki JPN	6-2	6-1			q2	28 Mar 16
J. Yamasaki (q)	-	Yuhei Kono JPN	6-1	6-0			q1	28 Mar 16

Yuuya Kibi JPN (8)	-	J. Yamasaki (q)	6-3	7-5			1^st	22 Mar 16	Japan F3	Hard
J. Yamasaki (q)	-	Takashi Saito JPN	6-4	4-6	6-2		Q.	21 Mar 16
J. Yamasaki (q)	-	Motoaki Kita JPN	6-4	6-0			q2	21 Mar 16

D. Hernandez ESP (6)	-	J. Yamasaki (q)	6-4	6-2			2^nd	12 Oct 15	Spain F33	Hard
J. Yamasaki (q)	-	Joshua Paris GBR (q)	6-3	6-2			1^st	12 Oct 15
J. Yamasaki (q)	-	Dorian Descloix FRA	7-5	6-1			Q.	12 Oct 15
J. Yamasaki (q)	-	Daniel Lopez Rey ESP	6-1	6-1			q2	12 Oct 15
J. Yamasaki (q)	-	F. Cantillana CHI	6-3	6-0			q1	12 Oct 15

Alex De Minaur AUS (q)	-	J. Yamasaki	6-1	7-6⁴			2^nd	08 Sep 15	U.S. Open (juniors)	Hard
J. Yamasaki	-	T. Vera CHI (8)	2-6	6-4	6-3		1^st	07 Sep 15	U.S. Open (juniors)	Hard

Yuuya Kibi JPN (3)	-	J. Yamasaki (WC)	7-6³	6-2			2^nd	08 Jun 15	Japan F6	Hard
J. Yamasaki (WC)	-	Ku Keon Kang KOR	6-4	7-6⁴			1^st	08 Jun 15	Japan F6	Hard

Yusuke Watanuki JPN (7)	-	J. Yamasaki (WC)	7-6⁰	6-3			2^nd	30 Mar 15	Japan F4	Hard
J. Yamasaki (WC)	-	Naoki Nakagawa JPN (WC)	7-6¹	6-4			1^st	30 Mar 15	Japan F4	Hard

Soon-Woo Kwon KOR	-	J. Yamasaki (8)	6-3	7-6³			1^st	24 Jan 15	Australian Open (juniors)	Hard

Ben Mclachlan NZL	-	J. Yamasaki	7-5	6-4			q1	29 Sep 14	Turkey F34	Hard

Jack Carpenter GBR	-	J. Yamasaki (q)	6-2	7-6³			2^nd	22 Sep 14	Turkey F33	Hard
J. Yamasaki (q)	-	Dmytro Badanov UKR (6)	6-2	6-3			1^st	22 Sep 14
J. Yamasaki (q)	-	Scott Clayton GBR	6-3	7-6⁶			Q.	22 Sep 14
J. Yamasaki (q)	-	Adrian Engel GER	6-1	6-0			q2	22 Sep 14

Lucas Miedler AUT	-	J. Yamasaki (11)	7-6¹	6-4			1^st	31 Aug 14	U.S. Open (juniors)	Hard

Boris Pokotilov RUS	-	J. Yamasaki (14)	6-4	4-6	8-6		2^nd	20 Jan 14	Australian Open (juniors)	Hard
J. Yamasaki (14)	-	G. Hocevar BRA	6-1	6-3			1^st	19 Jan 14	Australian Open (juniors)	Hard

Yasutaka Uchiyama JPN	-	J. Yamasaki	6-1	6-7⁷	6-2		2^nd	01 Jul 13	Japan F8	Hard
J. Yamasaki	-	A. L.-Chard AUS	7-6³	3-0	Ret.		1^st	01 Jul 13	Japan F8	Hard