| ITF M15 Sharm El Sheikh | 2024/01/29 10:30 | Yusuf Khamis v Jasper Lai | 6-0,6-2 |
| ITF M15 Sharm El Sheikh | 2023/10/08 09:30 | Philip Henning v Jasper Lai | 6-1,6-1 |
| ITF M15 Sharm El Sheikh | 2023/10/01 13:30 | Jasper Lai v Mykhailo Mossur | 6-7,0-6 |
| ITF M15 Antalya | 2023/04/24 08:55 | Jasper Lai v Jurriaan Bol | 3-6,0-6 |
| ITF M15 Antalya | 2023/04/18 10:25 | Yanaki Milev v Jasper Lai | 6-1,6-1 |
| ITF M15 Antalya | 2023/04/09 06:30 | Vlad Andrei Dancu v Jasper Lai | 6-3,6-3 |
| ITF M15 Antalya | 2023/03/19 07:00 | Jasper Lai v Joris Hoogland | 1-6,2-6 |
| ITF M15 Antalya | 2023/03/12 11:00 | Jasper Lai v Artem Khuda | 1-6,2-6 |
| ITF M15 Yanagawa | 2023/12/25 00:30 | Kazuma Kawachi v Seiya Nakanishi | 6-3,6-0 |
| ITF M25 Takasaki | 2023/09/17 01:00 | Ryotaro Matsumura v Seiya Nakanishi | 6-2,6-4 |
| ITF M25 Sapporo | 2023/09/05 04:15 | Issei Okamura v Seiya Nakanishi | 6-1,6-1 |
| ITF M25 Sapporo | 2023/09/04 03:35 | Ryusuke Horiuchi v Seiya Nakanishi | 6-4,2-6,10-12 |
| ITF M15 Karuizawa | 2023/05/28 01:15 | Seiya Nakanishi v Yua Taka | 4-6,2-6 |
| ITF M25 Kashiwa | 2023/04/02 00:30 | Jeremy Jin v Seiya Nakanishi | 6-3,6-2 |
| ITF M25 Tsukuba | 2023/03/27 00:30 | Seiya Nakanishi v Issei Okamura | 2-6,4-6 |
| Challenger Yokohama | 2022/10/30 02:35 | Seiya Nakanishi v Daisuke Sumizawa | 3-6,0-6 |