Stadium: Dusit (Center) Round: 25 Ground: Hardcourt outdoor
| ITF M15 Harmon | 2024/06/03 01:00 | Kohei Hayashi v Adrian Arcon | 3-6,6-2,10-8 |
| ITF M15 Harmon | 2024/06/02 00:00 | Kohei Hayashi v Ryoto Tachi | 7-5,4-6,10-3 |
| ITF M15 Karuizawa | 2024/05/30 00:45 | Kohei Hayashi v Kaichi Uchida | 5-7,6-7 |
| ITF M15 Karuizawa | 2024/05/29 02:30 | Kohei Hayashi v Shinji Hazawa | 3-6,6-4,10-8 |
| Challenger Francavilla | 2024/05/05 13:05 | Manas Manoj Dhamne v Tatsuma Ito | 6-3,6-1 |
| Challenger Cagliari | 2024/04/29 10:25 | Tatsuma Ito v Marco Cecchinato | 0-6,2-6 |
| ITF M15 Tsukuba | 2024/03/27 06:30 | Tatsuma Ito v Kousuke Ogura | 0-6,3-6 |
| Challenger Yokkaichi | 2023/11/28 07:20 | Hiroki Moriya v Tatsuma Ito | 6-3,6-2 |
| Challenger Yokkaichi | 2023/11/27 02:30 | Ray Ho v Tatsuma Ito | 6-7,1-6 |
| Challenger Yokkaichi | 2023/11/26 03:25 | Hikaru Shiraishi v Tatsuma Ito | 3-6,4-6 |
| Challenger Kobe | 2023/11/15 01:30 | Tatsuma Ito v Yuta Shimizu | 6-7,3-6 |
| Challenger Matsuyama | 2023/11/06 01:00 | Zhe Li v Tatsuma Ito | 4-6,6-4,6-2 |