Estadio: Indoor 9 Round: 14 Ground: Hardcourt outdoor
| Challenger de Zhangjiagang | 2023/08/31 04:40 | Stefanos Sakellaridis v Yusuke Takahashi | 3-6,1-6 |
| Challenger de Zhangjiagang | 2023/08/29 10:05 | Evan Zhu v Stefanos Sakellaridis | 5-7,6-7 |
| Challenger de Zhuhai | 2023/08/25 06:25 | Stefanos Sakellaridis v Arthur Weber | 6-4,4-6,2-6 |
| Challenger de Zhuhai | 2023/08/24 04:40 | Stefanos Sakellaridis v Yi Zhou | 6-1,7-6 |
| Challenger de Zhuhai | 2023/08/23 09:20 | Ricardas Berankis v Stefanos Sakellaridis | 6-7,6-3,1-6 |
| Challenger de Zhuhai | 2023/08/22 05:25 | Xiaofei Wang v Stefanos Sakellaridis | 6-7,0-6 |
| Challenger de Grodzisk Mazowiecki | 2023/08/15 09:00 | Maks Kasnikowski v Stefanos Sakellaridis | 6-2,6-0 |
| Challenger de Grodzisk Mazowiecki | 2023/08/14 09:00 | Denis Yevseyev v Stefanos Sakellaridis | 6-4,6-2 |
| Challenger de Shanghái | 2023/09/04 09:20 | Matthew Romios v Tao Mu | 4-6,0-6 |
| Challenger de Shanghái | 2023/09/04 03:00 | Colin Sinclair v Matthew Romios | 4-6,4-6 |
| Challenger de Zhangjiagang | 2023/08/28 07:00 | Matthew Romios v Leonid Sheyngezikht | 4-6,6-3,4-6 |
| Challenger de Zhangjiagang | 2023/08/27 02:00 | Evgeny Karlovskiy v Matthew Romios | 2-6,4-6 |
| Challenger de Trieste | 2023/07/16 10:00 | Carlos Sanchez Jover v Matthew Romios | 6-4,6-2 |
| Challenger Salzburg | 2023/07/09 10:00 | Maxime Chazal v Matthew Romios | 6-4,6-2 |
| ITF M25 Poprad | 2023/06/23 08:00 | Matthew Romios v Toby Alex Kodat | 2-6,4-6 |
| ITF M25 Poprad | 2023/06/22 10:05 | Lukas Neumayer v Matthew Romios | 6-4,1-6,6-7 |