Stadium: Court 4 Round: 25 Ground: Clay
| ITF M15 - Sofia | 2022/07/04 13:00 | Obrad Markovski v Nikola Kolyachev | 1-6,6-4,7-10 |
| ITF M15 - Sofia | 2022/07/04 08:00 | Nikola Kolyachev v Bogdan Pavel | 7-5,6-2 |
| ITF M15 - Sofia | 2022/07/03 12:00 | Nikola Kolyachev v Cihan Akay | 6-7,6-4,10-6 |
| UTR Pro Tennis Series - Ruse | 2022/06/14 05:00 | Dragos Constantin Ignat v Nikola Kolyachev | 7-5,6-7,0-6 |
| UTR Pro Tennis Series - Ruse | 2022/06/13 10:06 | Nikola Kolyachev v Vladimir Filip | 6-2,5-4 |
| ITF M15 - Antalya | 2022/03/28 08:40 | Max Houkes v Nikola Kolyachev | 6-3,6-1 |
| ITF M15 - Antalya | 2022/03/27 07:00 | Nikola Kolyachev v Vlad Andrei Dumitru | 7-6,4-6,10-5 |
| ITF M15 - Antalya | 2022/03/20 07:00 | Biagio Gramaticopolo v Nikola Kolyachev | 6-2,4-6,10-2 |
| ITF M15 - Sofia | 2022/07/04 10:30 | Samuil Konov v Mihai Razvan Marinescu | 4-6,6-3,10-8 |
| ITF M15 - Sofia | 2022/07/04 06:30 | Victor Ernaelsteen v Samuil Konov | 4-6,6-7 |
| ITF M15 - Sofia | 2022/07/03 10:30 | Samuil Konov v Radu F Macovei | 7-5,6-0 |
| UTR Pro Tennis Series - Ruse | 2022/06/14 11:00 | Eskander Guryev v Samuil Konov | 4-6,4-6 |
| UTR Pro Tennis Series - Ruse | 2022/06/13 06:30 | Samuil Konov v Alex Ganchev | 6-7,6-2,4-6 |
| ITF M25 - Skopje | 2022/06/05 08:00 | Samuil Konov v Yanaki Milev | 6-4,3-6,3-10 |
| ITF M15 - Bukarest | 2022/05/22 07:00 | Vlad Cristian Breazu v Samuil Konov | 6-3,6-3 |
| ITF M15 - Antalya | 2022/05/15 07:00 | Samuil Konov v Luis Francisco | 5-7,6-3,6-10 |