Stadium: Court 2 Round: 44 Ground: Clay
| ITF M15 Kursumlijska Banja | 2023/04/24 07:00 | 반타, 발렌틴 v Nikola Kolyachev | 6-4,7-5 |
| ITF M15 Kursumlijska Banja | 2023/04/23 07:00 | Tarik Sehovic v Nikola Kolyachev | 2-6,0-6 |
| UTR Pro Beograd | 2023/04/22 06:00 | Nikola Kolyachev v Ambarzumjan, Edison | 0-3 |
| UTR Pro Beograd | 2023/04/21 07:30 | Nikola Kolyachev v 라키치, 스트라힌자 | 7-6,4-6,3-6 |
| UTR Pro Beograd | 2023/04/20 06:00 | Nikola Kolyachev v 파블로비치, 루카 | 3-6,2-6 |
| UTR Pro Beograd | 2023/04/19 07:30 | Matija Samardzic v Nikola Kolyachev | 3-6,6-1,6-4 |
| UTR Pro Beograd | 2023/04/18 06:00 | 하모우, 맥심 v Nikola Kolyachev | 6-1,6-1 |
| ITF M15 Sozopol | 2022/10/16 10:00 | Adam Jurajda v Nikola Kolyachev | 7-6,6-3 |
| ITF M25 Kursumlijska Banja | 2023/06/05 10:25 | 므비디, 뭰드와 v Piotr Czaczkowski | 6-3,6-3 |
| ITF M15 Rovinj | 2023/03/12 12:00 | Nik Mikovic v Piotr Czaczkowski | 6-1,6-0 |
| ITF M15 Porec | 2023/03/05 12:00 | Piotr Czaczkowski v 마르체티, 페데리코 | 5-7,1-6 |
| Nussloch, Singles M-ITF-GER-01A | 2023/01/22 08:30 | Alazmeh, Taym v Piotr Czaczkowski | 7-6,6-3 |
| ITF M15 Sozopol | 2022/10/18 09:20 | Piotr Czaczkowski v Nesterov, Petr | 4-6,3-6 |
| ITF M15 Sozopol | 2022/10/17 07:00 | 시니아코브, 다니엘 v Piotr Czaczkowski | 6-2,4-6,6-10 |
| ITF M15 Sozopol | 2022/10/16 06:30 | Piotr Czaczkowski v 스토이카, 블라드 | 6-3,3-6,11-9 |
| ITF M15 Sozopol | 2022/10/10 08:00 | Sikharulidze, Sergo v Piotr Czaczkowski | 6-3,6-3 |