| J5 MATSUYAMA-2 | [7] | Quarter |
| J5 YAMANASHI-2 | [6] | 2R |
| J5 PHNOMPENH-2 | 1R | |
| J5 PHNOMPENH | Final |
Born in 2003 (22-23 years old)
| W | 1R | Sota Minami | 6-2 6-3 |
| W | 2R | Taki Adachi | 6-4 6-4 |
| L | QF | Hayato Matsuoka | 7-6 1-6 2-6 |
| W | 1R | Yuito Sasaki | 6-3 6-3 |
| L | 2R | Yuma Daijima | 2-6 1-6 |
| L | 1R | James Van Herzeele | 2-6 3-6 |
| W | 1R | Ngoc Lam Cao | 6-1 2-6 6-3 |
| W | 2R | Taentawan Taddeo Majoli Maggioli | 6-3 6-3 |
| W | QF | Nauvaldo Jati Agatra | 6-2 6-2 |
| W | SF | Paul Barbier Gazeu | 6-1 6-2 |
| L | F | James Van Herzeele | 0-6 6-3 6-7 |
| L | 1R | Asahi Yamanaka | 6-7 3-6 |
| W | 1R | Siwanat Auytayakul | 6-2 6-2 |
| W | 2R | Hong-lin Fu | 6-3 6-0 |
| L | 3R | Yunseok Jang | 2-6 1-6 |
| W | 1R | Prachaya Baibong | 6-3 6-3 |
| L | 2R | Carl Emil Overbeck | 4-6 5-7 |
| L | 1R | Yunseok Jang | 3-6 2-6 |
| L | 1R | Woodam Song | 1-6 2-6 |
| W | 1R | Ethan Kai Xin Lye | 4-6 7-5 6-3 |
| L | 2R | Danial Ahmad Farid | 6-4 4-6 2-6 |
| L | 1R | Guntinun Sootinun-opart | 1-6 4-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.