| Challenger Yokohama Qual |
02/24 01:00 |
45 |
Kento Takeuchi
v
Jumpei Yamasaki
|
3-6,3-6
|
|
| ITF Egypt F3 |
01/31 16:40 |
25 |
Jumpei Yamasaki
v
Riccardo Bonadio
|
2-6,6-7
|
|
| ITF Egypt F3 |
01/29 08:00 |
62 |
Jumpei Yamasaki
v
Louis Lechevretel
|
6-3,6-4
|
|
| ITF Egypt F3 |
01/28 08:00 |
62 |
Jumpei Yamasaki
v
Ren Nakamura
|
6-1,7-5
|
|
| ITF Egypt F2 |
01/20 08:00 |
62 |
Louis Lechevretel
v
Jumpei Yamasaki
|
4-6,7-6,6-4
|
|
| ITF Egypt F1 |
01/16 08:00 |
25 |
Jumpei Yamasaki
v
Hiroki Moriya
|
1-6,4-6
|
|
| ITF Hong Kong F6 |
01/03 03:40 |
26 |
Jumpei Yamasaki
v
Fabien Reboul
|
5-7,4-6
|
|
| ITF Hong Kong F6 |
01/01 03:35 |
25 |
Marshall Tutu
v
Jumpei Yamasaki
|
2-6,5-7
|
|
| ITF Hong Kong F4 |
12/18 02:00 |
25 |
Tung-Lin Wu
v
Jumpei Yamasaki
|
6-3,7-6
|
|
| ITF Thailand F12 Qual |
12/10 03:00 |
44 |
Jumpei Yamasaki
v
Sung Jun Park
|
4-6,5-7
|
|
| Challenger Toyota |
11/13 01:00 |
25 |
Jumpei Yamasaki
v
Yuta Shimizu
|
3-6,2-6
|
|
| Challenger Kobe Qual |
11/04 07:20 |
45 |
Lucas Miedler
v
Jumpei Yamasaki
|
6-4,6-1
|
|
| ITF Thailand F9 |
10/19 03:00 |
27 |
Jumpei Yamasaki
v
Tung-Lin Wu
|
4-6,0-6
|
|
| ITF Thailand F9 |
10/18 04:20 |
26 |
Jumpei Yamasaki
v
Skyler Butts
|
6-2,6-3
|
|
| ITF Thailand F9 |
10/16 03:00 |
25 |
Jumpei Yamasaki
v
Clement Larriere
|
4-6,6-3,6-3
|
|
| ITF Thailand F8 Qual |
10/08 04:55 |
44 |
Jumpei Yamasaki
v
Jirat Navasirisomboon
|
3-6,6-3,3-6
|
|
| Challenger Stockton Qual |
09/30 17:00 |
45 |
Eric Johnson
v
Jumpei Yamasaki
|
4-6,7-6,6-1
|
|
| ITF USA F32 |
09/28 19:15 |
26 |
Henry Craig
v
Jumpei Yamasaki
|
3-6,6-4,6-3
|
|
| ITF USA F32 |
09/26 21:10 |
25 |
Mousheg Hovhannisyan
v
Jumpei Yamasaki
|
4-6,5-7
|
|
| ITF USA F31 |
09/22 17:00 |
27 |
Ryan Shane
v
Jumpei Yamasaki
|
6-3,6-2
|
|
| ITF USA F31 |
09/21 22:15 |
26 |
Conor Berg
v
Jumpei Yamasaki
|
3-6,3-6
|
|
| ITF USA F31 |
09/20 17:00 |
25 |
John Lamble
v
Jumpei Yamasaki
|
6-1,3-6,3-6
|
|
| Challenger Zhangjiagang Qual |
09/03 05:00 |
46 |
Jumpei Yamasaki
v
Wishaya Trong'kul
|
4-6,3-6
|
|
| Challenger Zhangjiagang Qual |
09/03 02:00 |
45 |
Tao Mu
v
Jumpei Yamasaki
|
Retired
|
|
| ITF Thailand F6 |
08/16 03:30 |
26 |
N. Vijay Sundar Prashanth
v
Jumpei Yamasaki
|
7-6,3-6,6-3
|
|
| ITF Thailand F6 |
08/14 06:05 |
25 |
Jumpei Yamasaki
v
Cheng-Yu Yu
|
3-6,7-6,6-4
|
|
| ITF Thailand F5 |
08/08 04:20 |
25 |
Jumpei Yamasaki
v
Cheng-Yu Yu
|
6-3,6-7,5-7
|
|
| ITF Hong Kong F3 |
07/05 06:25 |
26 |
Jacob Grills
v
Jumpei Yamasaki
|
6-2,4-6,6-0
|
|
| ITF Hong Kong F3 |
07/03 07:20 |
25 |
Christian Oliver Lee
v
Jumpei Yamasaki
|
0-6,0-6
|
|
| ITF Hong Kong F2 |
06/29 02:00 |
27 |
Jumpei Yamasaki
v
Shintaro Imai
|
4-6,2-6
|
|