| UTR Pro Texas | 2023/11/12 19:00 | Jordi Domenech Castillo v Nikola Parichkov | 6-3,6-2 |
| UTR Pro Texas | 2023/10/14 19:22 | Grant Lothringer v Nikola Parichkov | 6-0,1-0 |
| UTR Pro Texas | 2023/10/12 20:30 | Nikola Parichkov v Matthis Ross | 7-6,0-6,4-6 |
| UTR Pro Texas | 2023/10/11 22:00 | Nikola Parichkov v Ritesh Patil | 4-6,5-6 |
| UTR Pro Texas | 2023/10/10 20:30 | Nikola Parichkov v Rafael A. Coutinho | 3-6,3-6 |
| UTR Pro Florida | 2023/10/04 21:00 | Juan Martin Jalif v Nikola Parichkov | 2-6,6-4,6-1 |
| UTR Pro Florida | 2023/10/03 18:00 | Mark Havlicek v Nikola Parichkov | 6-4,5-2 |
| UTR Pro Florida | 2023/10/02 17:33 | Aidan Harris v Nikola Parichkov | 6-4,1-6,6-1 |
| UTR Pro Texas | 2023/11/13 19:21 | Leo Raquin v Jordi Domenech Castillo | 7-5,6-0 |