| UTR Pro Tennis Series Barcelona | 2021/08/04 11:30 | Alberto C Sanchez v Olexiy Kolisnyk | 0-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/03 10:00 | Alvaro Bueno Gil v Olexiy Kolisnyk | 1-6,6-3,6-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/18 06:00 | Ilya Snitari v Olexiy Kolisnyk | 7-5,3-6,2-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/17 07:00 | Gorazd Srbljak v Olexiy Kolisnyk | 0-6,6-4,3-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/16 09:00 | Olexiy Kolisnyk v Dmitrii Vasilev | 6-3,6-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/15 07:30 | Olexiy Kolisnyk v Yanais Laurent | 6-4,3-6,6-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/14 10:30 | Anthony Genov v Olexiy Kolisnyk | 1-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/13 06:00 | Adriano Dzhenev v Olexiy Kolisnyk | 1-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/03 10:00 | Alberto C Sanchez v Miguel Fernando Pereira | 6-3,3-6,5-7 |
| UTR Pro Tennis Series Barcelona | 2021/08/02 07:00 | Miguel Fernando Pereira v Daniel Sancho Arbizu | 6-2,7-6 |
| ITF M25 Denia | 2021/07/25 14:30 | Miguel Fernando Pereira v Gianni Ross | 7-5,3-6,4-10 |
| ITF M15 Antalya | 2021/06/27 06:30 | Kuan-Yi Lee v Miguel Fernando Pereira | 2-6,6-1,10-4 |
| ITF M15 Antalya | 2021/06/15 07:30 | Stefano Battaglino v Miguel Fernando Pereira | 7-6,6-1 |
| ITF M15 Antalya | 2021/06/14 07:30 | Miguel Fernando Pereira v Bora Sengul | 7-6,6-2 |
| ITF M15 Antalya | 2021/06/13 07:30 | Miguel Fernando Pereira v Vladislav Gorbatenko | 7-5,6-4 |
| ITF M15 Antalya | 2021/06/06 07:30 | Timo Stodder v Miguel Fernando Pereira | 6-3,5-7,10-8 |