Stadium: Court 4 Round: 26 Ground: Clay
| ITF M25 Pazardzhik | 2023/09/26 08:30 | Stefanos Sakellaridis v Viktor Kirov | 6-2,6-2 |
| ATP Zhuhai | 2023/09/19 03:00 | Stefanos Sakellaridis v Luke Saville | 5-7,7-6,4-6 |
| Challenger Guangzhou | 2023/09/11 04:30 | Stefanos Sakellaridis v Arjun Kadhe | 3-6,1-6 |
| Challenger Zhangjiagang | 2023/08/31 04:40 | Stefanos Sakellaridis v Yusuke Takahashi | 3-6,1-6 |
| 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 |
| ITF M25 Pazardzhik | 2023/09/27 12:35 | Nikola Kolyachev v Maxwell Benson | 6-4,7-6 |
| ITF M25 Pazardzhik | 2023/09/25 10:00 | Nikola Kolyachev v Martin Dimitrov | 6-4,6-2 |
| ITF M25 Pazardzhik | 2023/09/25 07:00 | Nikola Kolyachev v Vladimir Kravec | 6-0,6-1 |
| ITF M15 Pirot | 2023/09/05 07:25 | Alexander Chepik v Nikola Kolyachev | 6-4,2-6,10-8 |
| ITF M15 Pirot | 2023/09/04 08:30 | Nikola Mitrovic v Nikola Kolyachev | 3-6,0-6 |
| ITF M15 Targu Jiu | 2023/08/15 10:40 | Radovan Michalik v Nikola Kolyachev | 6-2,4-6,11-9 |
| ITF M15 Targu Jiu | 2023/08/13 06:30 | Nikola Kolyachev v Gheorghe Claudiu Schinteie | 6-1,7-6 |
| ITF M15 Curtea de Arges | 2023/08/10 08:00 | Nikola Kolyachev v Luciano Emanuel Ambrogi | 1-6,4-6 |