Stadium: Court 1 Round: 19 Ground: Clay
| Challenger Kigali | 2024/02/25 10:15 | Seita Watanabe v Ren Nakamura | 6-1,6-4 |
| Challenger Burnie | 2024/02/05 00:45 | Yuki Mochizuki v Seita Watanabe | 6-3,6-3 |
| Challenger Burnie Qual | 2024/02/04 03:35 | Seita Watanabe v Hanyi Liu | 7-6,6-3 |
| Challenger Burnie | 2024/01/28 02:35 | Yuki Mochizuki v Seita Watanabe | 7-6,6-0 |
| ITF M15 Yanagawa | 2023/12/27 00:30 | Seita Watanabe v Duckhee Lee | 1-6,6-7 |
| ITF M15 Yanagawa | 2023/12/22 05:10 | Masamichi Imamura v Seita Watanabe | 3-6,6-4,6-3 |
| ITF M15 Yanagawa | 2023/12/21 03:55 | Seita Watanabe v Shu Matsuoka | 7-5,6-4 |
| ITF M15 Yanagawa | 2023/12/20 02:30 | Seita Watanabe v Hayato Matsuoka | 7-5,6-2 |
| Challenger Kigali | 2024/02/25 08:00 | Takeru Yuzuki v Ivan Denisov | 6-7,3-6 |
| UTR Pro Athens | 2023/12/17 08:30 | Ioannis Xilas v Ivan Denisov | 6-4,6-1 |
| UTR Pro Athens | 2023/12/15 06:00 | Ivan Denisov v Janos Fekete | 6-1,7-6 |
| UTR Pro Athens | 2023/12/14 08:15 | Ivan Denisov v Georgios Nouchakis | 6-4,4-1 |
| UTR Pro Athens | 2023/12/13 09:30 | Dimosthenis Taramonlis v Ivan Denisov | 4-6,6-3,2-6 |
| UTR Pro Athens | 2023/12/12 06:00 | Nazar Oliynykov v Ivan Denisov | 3-6,6-1,6-4 |
| ITF M15 Antalya | 2023/12/04 07:00 | Ku Keon Kang v Ivan Denisov | 6-4,6-1 |
| ITF M15 Antalya | 2023/12/03 07:00 | Iliyas Maratuly v Ivan Denisov | 5-7,4-6 |