| J5 MATSUYAMA-2 | Quarter | |
| J5 YAMANASHI-2 | Quarter |
Born in 2004 (21-22 years old)
| W | 1R | Nathan Akira Matsuguma | 6-1 6-4 |
| W | 2R | Taiyo Uenoyama | 6-4 6-4 |
| L | QF | Yua Taka | 4-6 1-6 |
| W | 1R | Nathan Akira Matsuguma | 6-3 6-3 |
| W | 2R | Natsuki Yamamoto | 6-0 7-6 |
| L | QF | Yuma Daijima | 6-2 1-6 4-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 15179, Number of registered players: 7,862, Number of registered results: 467,997