Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| Challenger Zhangjiagang | 2023/08/29 10:05 | Evan Zhu v Stefanos Sakellaridis | 5-7,6-7 |
| Challenger Zhuhai | 2023/08/25 06:25 | Stefanos Sakellaridis v Arthur Weber | 6-4,4-6,2-6 |
| Challenger Zhuhai | 2023/08/24 04:40 | Stefanos Sakellaridis v Yi Zhou | 6-1,7-6 |
| Challenger Zhuhai | 2023/08/23 09:20 | Ricardas Berankis v Stefanos Sakellaridis | 6-7,6-3,1-6 |
| Challenger Zhuhai | 2023/08/22 05:25 | Xiaofei Wang v Stefanos Sakellaridis | 6-7,0-6 |
| Challenger Grodzisk Mazowiecki | 2023/08/15 09:00 | Maks Kasnikowski v Stefanos Sakellaridis | 6-2,6-0 |
| Challenger Grodzisk Mazowiecki | 2023/08/14 09:00 | Denis Yevseyev v Stefanos Sakellaridis | 6-4,6-2 |
| Challenger Grodzisk Mazowiecki | 2023/08/13 08:00 | Zura Tkemaladze v Stefanos Sakellaridis | 2-6,6-4,1-6 |
| Challenger Zhangjiagang | 2023/08/29 12:20 | Jie Cui v Yusuke Takahashi | 2-6,2-6 |
| Challenger Zhangjiagang | 2023/08/28 09:15 | Yusuke Takahashi v Yan Bai | 2-6,1-6 |
| Challenger Zhangjiagang | 2023/08/27 05:00 | Yusuke Takahashi v Jianhao Sheng | 6-1,6-1 |
| ITF M25 Astana | 2023/08/06 05:00 | Yusuke Takahashi v Renta Tokuda | 0-6,4-6 |
| ITF M25 Astana | 2023/08/05 07:45 | Yusuke Takahashi v Shuichi Sekiguchi | 6-4,6-4 |
| ITF M25 Astana | 2023/08/04 04:00 | Filip Peliwo v Yusuke Takahashi | 5-7,5-7 |
| ITF M25 Astana | 2023/08/03 08:00 | Grigoriy Lomakin v Yusuke Takahashi | 6-3,5-7,1-6 |
| ITF M25 Astana | 2023/08/02 08:15 | Daniil Glinka v Yusuke Takahashi | 4-6,2-6 |