| Segovia challenger |
Round |
Result |
H |
A |
| 21.07. |
|
Pavlovic L. - Kumasaka T. |
1R |
3-6, 6-1, 6-2 |
1.35 |
3.00 |
| 20.07. |
|
Kumasaka T. - Callejon Hernando S. |
Q-R16 |
6-3, 7-61 |
3.08 |
1.34 |
| 19.07. |
|
Kumasaka T. - Meneses Perny A. |
Q-1R |
6-2, 6-4 |
1.01 |
14.34 |
| Pozoblanco challenger |
Round |
Result |
H |
A |
| 13.07. |
|
Lagutin P. - Kumasaka T. |
Q-R16 |
6-3, 6-1 |
1.56 |
2.30 |
| 12.07. |
|
Kumasaka T. - Turriziani Alvarez A. |
Q-1R |
6-3, 6-2 |
1.37 |
2.88 |
| Futures 2026 |
Round |
Result |
H |
A |
| 08.07. |
|
Bertrand R. - Kumasaka T. |
R16 |
6-2, 6-3 |
1.47 |
2.51 |
| 07.07. |
|
Kumasaka T. - Jimenez A. |
1R |
6-1, 6-2 |
1.39 |
2.74 |
| 18.06. |
|
Honda N. - Kumasaka T. |
R16 |
6-1, 3-6, 7-69 |
1.73 |
2.00 |
| 17.06. |
|
Kumasaka T. - Mochizuki Y. |
1R |
6-4, 4-6, 6-4 |
1.27 |
3.45 |
| 11.06. |
|
Ichikawa T. - Kumasaka T. |
R16 |
4-6, 6-4, 6-3 |
2.69 |
1.41 |
| 09.06. |
|
Kumasaka T. - Nakagawa N. |
1R |
7-5, 7-5 |
1.64 |
2.14 |
| Bangalore 3 challenger |
Round |
Result |
H |
A |
| 19.05. |
|
Yamanaka T. - Kumasaka T. |
1R |
7-64, 4-6, 7-65 |
3.03 |
1.35 |
| Futures 2026 |
Round |
Result |
H |
A |
| 14.05. |
|
Trongcharoenchaikul W. - Kumasaka T. |
R16 |
6-4, 6-2 |
5.69 |
1.11 |
| 13.05. |
|
Kumasaka T. - De Cuyper J. |
1R |
6-2, 6-2 |
1.50 |
2.40 |
| 10.05. |
|
Bouzige M. - Kumasaka T. |
F |
65-7, 7-64, 7-62 |
2.12 |
1.65 |
| 09.05. |
|
Kumasaka T. - Dellavedova M. |
SF |
3-6, 6-2, 6-2 |
1.88 |
1.82 |
| 08.05. |
|
Kumasaka T. - Hewitt C. |
QF |
7-5, 6-1 |
1.94 |
1.77 |
| 07.05. |
|
Kumasaka T. - Matsuda R. |
R16 |
6-1, 6-0 |
1.33 |
3.07 |
| 06.05. |
|
Kumasaka T. - Yamasaki J. |
1R |
6-2, 6-2 |
1.67 |
2.09 |
| 01.05. |
|
Leong M. - Kumasaka T. |
QF |
4-6, 6-3, 6-4 |
1.72 |
2.01 |
| 30.04. |
|
Kumasaka T. - Kesarwani M. |
R16 |
6-4, 6-4 |
1.05 |
7.00 |
| 29.04. |
|
Kumasaka T. - Suksumrarn T. |
1R |
6-0, 6-4 |
1.48 |
2.47 |
| 24.04. |
|
Castelnuovo L. - Kumasaka T. |
QF |
6-4, 7-5 |
1.53 |
2.34 |
| 23.04. |
|
Kumasaka T. - Santillan A. |
R16 |
6-3, 0-0 |
3.44 |
1.26 |
| 22.04. |
|
Kumasaka T. - Zhang T. |
1R |
6-1, 6-3 |
1.67 |
2.09 |
| Busan challenger |
Round |
Result |
H |
A |
| 12.04. |
|
Sornlaksup P. - Kumasaka T. |
Q-1R |
6-4, 63-7, 6-3 |
1.95 |
1.78 |
| Miyazaki challenger |
Round |
Result |
H |
A |
| 29.03. |
|
Nam J. - Kumasaka T. |
Q-1R |
6-2, 6-4 |
2.17 |
1.61 |
| Yokkaichi challenger |
Round |
Result |
H |
A |
| 23.03. |
|
Sun F. - Kumasaka T. |
Q-R16 |
6-2, 6-2 |
1.35 |
2.98 |
| 22.03. |
|
Kumasaka T. - Mitsui S. |
Q-1R |
6-4, 1-0 |
3.04 |
1.34 |
| Futures 2026 |
Round |
Result |
H |
A |
| 10.03. |
|
Kikuchi Y. - Kumasaka T. |
1R |
6-0, 7-66 |
3.04 |
1.34 |
| Fujairah challenger |
Round |
Result |
H |
A |
| 02.03. |
|
Kumasaka T. - Nakagawa S. |
Q-1R |
7-64, 6-3 |
1.35 |
2.97 |
| Pune challenger |
Round |
Result |
H |
A |
| 24.02. |
|
Cina F. - Kumasaka T. |
1R |
6-1, 6-0 |
1.10 |
6.52 |
| 23.02. |
|
Kumasaka T. - Dev S. |
Q-R16 |
6-4, 6-2 |
1.62 |
2.20 |
| 22.02. |
|
Kumasaka T. - Rawat S. |
Q-1R |
6-4, 6-4 |
1.63 |
2.17 |
| Futures 2026 |
Round |
Result |
H |
A |
| 13.01. |
|
Ouakaa A. - Kumasaka T. |
1R |
7-5, 65-7, 6-4 |
2.60 |
1.45 |
| Bangalore challenger |
Round |
Result |
H |
A |
| 04.01. |
|
Taguchi R. - Kumasaka T. |
Q-1R |
7-5, 6-1 |
2.27 |
1.56 |