Stadium: Court 4 Round: 62 Ground: Clay
| 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 |
| ITF M15 Curtea de Arges | 2023/08/09 07:00 | Nikola Kolyachev v Elio Jose Ribeiro Lago | 6-4,6-1 |
| ITF M15 Curtea de Arges | 2023/08/08 10:15 | Nikola Kolyachev v Federico Valle | 6-4,6-1 |
| ITF M25 Pazardzhik | 2023/09/24 09:00 | Martin Dimitrov v Carlo Cataldi | 7-5,4-6,11-9 |
| ITF M15 Pazardzhik | 2023/05/18 10:55 | Martin Dimitrov v Alexander Vasilev | 6-7,3-6 |
| ITF M15 Sofia | 2022/07/04 08:00 | Tomislav Jotovski v Martin Dimitrov | 6-4,6-4 |
| ITF M15 Sofia | 2022/07/03 09:00 | Martin Dimitrov v Plamen Milushev | 7-6,6-3 |
| UTR Pro Tennis Series Copenhagen | 2022/04/30 10:30 | Martin Dimitrov v Plamen Milushev | 4-6,7-5,5-2 |
| UTR Pro Tennis Series Copenhagen | 2022/04/28 07:30 | Martin Dimitrov v John Walentowicz | 4-6,6-3,5-1 |
| UTR Pro Tennis Series Copenhagen | 2022/04/27 06:00 | Martin Dimitrov v Henrik Heise Korsgaard | 2-6,7-6,3-6 |
| UTR Pro Tennis Series Copenhagen | 2022/04/26 09:00 | Martin Dimitrov v Maciej Rajski | 0-6,4-6 |