| UTR Pro Tennis Series Barcelona | 2021/12/16 10:30 | Jordan Correia v Alexander Lazov | 7-6,2-1 |
| UTR Pro Tennis Series Barcelona | 2021/12/15 14:30 | Alexander Lazov v Akim Zarichanskyy | 6-0,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/12/14 09:00 | Alexander Lazov v Sergio Redondo | 6-2,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/12/13 12:30 | Volodymyr Uzhylovskyi v Alexander Lazov | 6-4,6-5 |
| UTR Pro Tennis Series Barcelona | 2021/12/07 15:34 | Alexander Lazov v Carlos Gimenez Perez | 7-6,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/12/06 09:00 | Tomas Curras v Alexander Lazov | 6-1,6-4 |
| UTR Pro Tennis Series - Zadar | 2021/11/21 12:00 | Egor Matvievici v Alexander Lazov | 5-4 |
| UTR Pro Tennis Series - Zadar | 2021/11/20 12:30 | Ivan Mikhaylyuk v Alexander Lazov | 3-6,6-7 |
| UTR Pro Tennis Series Barcelona | 2021/12/16 10:30 | Xavier Matas Ortega v Stefanos Sakellaridis | 6-4,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/12/15 08:30 | Yanais Laurent v Xavier Matas Ortega | 3-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/12/14 15:45 | Adria Soriano Barrera v Xavier Matas Ortega | 6-3,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/12/13 08:00 | Michalis Sakellaridis v Xavier Matas Ortega | 0-6,1-6 |
| ITF - Madryt M25 | 2021/09/14 08:30 | Alberto Barroso Campos v Xavier Matas Ortega | 6-1,2-0 |
| Hiszpania - Summer League | 2020/07/29 15:00 | Sergi Perez Contri v Xavier Matas Ortega | 7-5,5-4 |