Stadium: Court B Round: 14 Ground: Hardcourt outdoor
| Challenger Nonthaburi | 2023/12/31 07:55 | Marat Sharipov v Ergi Kirkin | 4-6,7-6,6-3 |
| ITF M25 Monastir | 2023/11/17 10:05 | Hady Habib v Ergi Kirkin | 6-2,6-3 |
| ITF M25 Monastir | 2023/11/16 11:00 | Martyn Pawelski v Ergi Kirkin | 5-7,7-6,1-6 |
| ITF M25 Monastir | 2023/11/15 08:30 | Gabriele Piraino v Ergi Kirkin | 0-6,5-7 |
| ATP Sofia | 2023/11/04 16:45 | Ergi Kirkin v Francesco Passaro | 7-5,3-6,1-6 |
| Challenger Bergamo | 2023/10/29 17:25 | Jelle Sels v Ergi Kirkin | 6-2,6-2 |
| Challenger Hamburg | 2023/10/16 15:25 | Ergi Kirkin v Adam Walton | 2-6,4-6 |
| ATP Shanghai | 2023/10/02 04:00 | Seong Chan Hong v Ergi Kirkin | 7-5,6-3 |
| Challenger Yokkaichi | 2023/11/28 03:20 | Yusuke Takahashi v August Holmgren | 3-6,3-6 |
| Challenger Yokkaichi | 2023/11/27 01:00 | Yusuke Takahashi v Yuki Mochizuki | 6-2,3-6,7-6 |
| Challenger Yokkaichi | 2023/11/26 01:00 | Yusuke Takahashi v Arjun Kadhe | 6-0,6-3 |
| Challenger Yokohama | 2023/11/19 01:00 | Yusuke Takahashi v Naoki Nakagawa | 5-7,6-7 |
| Challenger Kobe | 2023/11/13 04:35 | Yusuke Takahashi v August Holmgren | 4-6,4-6 |
| Challenger Matsuyama | 2023/11/06 01:00 | Naoki Nakagawa v Yusuke Takahashi | 6-3,6-2 |
| Challenger Matsuyama | 2023/11/05 04:10 | Yusuke Kusuhara v Yusuke Takahashi | 2-6,2-6 |
| Challenger Sydney | 2023/10/31 02:20 | Dane Sweeny v Yusuke Takahashi | 4-6,6-3,7-6 |