Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Vietnam
06.06.94, 30 years
06.06.94, 30 years
Jumpei Yamasaki vs. Hoang Hai Nguyen - head to head matches
| 25.07.16 | qual. | Jumpei Yamasaki | Hoang Hai Nguyen | 6-0, 6-0 | match details |  Vietnam F1 | Hard |
Jumpei Yamasaki form & Hoang Hai Nguyen form
Jumpei Yamasaki - last matches
 M15 Luan - Hard | ||||
| 23.05.25 1/4 | vs. Taiyo Yamanaka | 1-6, 1-6 |  | match details |
| 22.05.25 2nd round | vs. Zekai Li | 3-6, 6-4, 6-0 |  | match details |
| 20.05.25 1st round | vs. Ye Cong Mo | 7-66, Ye Cong Mo - retired | | match details |
| M15 Luan - Hard | ||||
| 15.05.25 2nd round | vs. Woobin Shin | 6-75, 5-7 | | match details |
| 13.05.25 1st round | vs. Xing Dao Chen | 6-3, 6-1 | | match details |
 M15 Osaka - Hard | ||||
| 26.04.25 1/2 | vs. Shintaro Imai | 4-6, 1-6 | | match details |
| 25.04.25 1/4 | vs. Yusuke Kusuhara | 6-3, 6-3 | | match details |
| 24.04.25 2nd round | vs. Hikaru Shiraishi | 6-77, 7-62, 3-0, Hikaru Shiraishi - retired | | match details |
| 22.04.25 1st round | vs. Issei Okamura | 6-3, 6-4 | | match details |
| M15 Osaka - Hard | ||||
| 18.04.25 1/4 | vs. Renta Tokuda | 1-6, 4-6 | | match details |
| 17.04.25 2nd round | vs. Pavle Marinkov | 6-3, 6-4 | | match details |
| 16.04.25 1st round | vs. Ryotaro Matsumura | 6-1, 7-5 | | match details |
| M15 Tsukuba - Hard | ||||
| 27.03.25 2nd round | vs. Yu Hsiou Hsu | 5-7, 2-6 | | match details |
| 25.03.25 1st round | vs. Yusaku Sugaya | 6-3, 6-0 | | match details |
| M15 Nishi - Hard | ||||
| 20.03.25 2nd round | vs. Hikaru Shiraishi | 5-7, 3-6 | | match details |
| 18.03.25 1st round | vs. Shion Itsusaki | 6-4, 6-4 | | match details |
| M15 Hinode - Hard | ||||
| 13.03.25 2nd round | vs. Moerani Bouzige | 3-6, 5-7 | | match details |
| 13.03.25 1st round | vs. Matteo Covato | 6-3, 6-3 | | match details |
| M15 Maanshan - I. hard | ||||
| 05.03.25 1st round | vs. Wishaya Trongcharoenchaikul | 5-7, 6-2, 6-75 | | match details |
| 03.03.25 q 2 | vs. Anmar Faleh Alhogbani | 6-0, 6-1 | | match details |
| 03.03.25 qual. | vs. Fitriadi M Rifqi | 7-64, 6-4 | | match details |
| 02.03.25 q 1 | vs. Weitao Xu | 5-7, 6-2, 10-8 | | match details |
| M15 Maanshan - I. hard | ||||
| 27.02.25 2nd round | vs. Tianhui Zhang | 6-4, 3-6, 4-6 | | match details |
| 26.02.25 1st round | vs. Taisei Ichikawa | 6-4, 6-4 | | match details |
| 24.02.25 qual. | vs. Yuta Kawahashi | 6-73, 7-62, 10-4 | | match details |
| 24.02.25 q 2 | vs. Zhengyu Sun | 6-4, 6-2 | | match details |
| 23.02.25 q 1 | vs. Zhan Zheng | 6-3, 7-63 | | match details |
 M15 Bali - Hard | ||||
| 25.12.24 2nd round | vs. Joshua Charlton | 7-62, 4-6, 1-6 | | match details |
| 24.12.24 1st round | vs. Anthony Susanto | 6-3, 6-0 | | match details |
| 23.12.24 qual. | vs. Chan-Yeong Oh | 6-4, 6-1 | | match details |
Hoang Hai Nguyen - last matches
| Vietnam F9 - Hard | ||||
| 31.10.16 q 2 | vs. Roy Hobbs | 2-6, 0-6 | | match details |
| Vietnam F6 - Hard | ||||
| 26.09.16 q 1 | vs. Hoa Tran Van | 2-6, 6-1, 5-7 | | match details |
| Vietnam F3 - Hard | ||||
| 08.08.16 q 1 | vs. Bingyu Yu | 7-65, 4-6, 0-1, - Hoang Hai Nguyen - retired | | match details |
| Vietnam F2 - Hard | ||||
| 01.08.16 q 2 | vs. Xiao Gong | 3-6, 0-6 | | match details |
| Vietnam F1 - Hard | ||||
| 25.07.16 q 1 | vs. Quy Dennis Cu Thai | 6-1, 6-2 | | match details |
| 25.07.16 qual. | vs. Jumpei Yamasaki | 0-6, 0-6 | | match details |
| Ho Chi - Hard | ||||
| 10.10.15 q 1 | vs. Hiroki Horikiri | 3-6, 0-6 | | match details |