| UTR Pro Tennis Series Beograd | 2021/07/06 14:00 | Nikola Slavic v Michalis Sakellaridis | 6-3,6-6 |
| UTR Pro Tennis Series Beograd | 2021/07/05 07:30 | Nikola Slavic v Dusan Obradovic | 6-7,6-7 |
| ITF M25 Belgrade | 2021/06/30 08:45 | Nikola Slavic v Akira Santillan | 1-6,1-6 |
| ITF M25 Belgrade | 2021/06/29 09:00 | George Botezan v Nikola Slavic | 4-6,2-6 |
| ITF M25 Belgrade | 2021/06/28 07:00 | Nikola Slavic v Toby Martin | 6-4,6-3 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Paul Valsecchi v Nikola Slavic | 4-6,4-6 |
| ITF M15 Ystad | 2019/08/06 11:35 | Simon Yitbarek v Nikola Slavic | 6-3,6-2 |
| ITF M15 Antalya | 2019/04/18 07:30 | Nikola Slavic v Bogdan Bobrov | 1-6,2-6 |
| UTR Pro Tennis Series Beograd | 2021/07/06 12:00 | Dusan Obradovic v Constant De La Bassetiere | 6-1,3-6,5-2 |
| UTR Pro Tennis Series Zadar | 2021/07/04 07:00 | Yaraslav Shyla v Constant De La Bassetiere | 7-6,4-6,5-7 |
| UTR Pro Tennis Series Zadar | 2021/07/03 09:30 | Arthus De La Bassetiere v Constant De La Bassetiere | 0-6,3-6 |
| UTR Pro Tennis Series Zadar | 2021/07/02 12:30 | Constant De La Bassetiere v Jerko Brkic | 7-6,5-2 |
| UTR Pro Tennis Series Zadar | 2021/07/01 09:30 | Constant De La Bassetiere v Frane Nincevic | 3-6,2-6 |
| UTR Pro Tennis Series Zadar | 2021/06/30 08:00 | Warren Sinius v Constant De La Bassetiere | 3-6,6-6 |
| UTR Pro Tennis Series Zadar | 2021/06/29 11:00 | Josip Krstanovic v Constant De La Bassetiere | 1-6,6-3,6-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/26 12:00 | Constant De La Bassetiere v Adria Soriano Barrera | 6-2,3-6,1-6 |