| UTR Pro Tennis Series Barcelona | 2021/08/02 11:30 | Pol Fernandez v Osgar O'Hoisin | 6-7,7-6,1-6 |
| ITF M15 Castelo Branco | 2021/07/26 11:00 | Sahar Simon v Osgar O'Hoisin | 4-6,6-4,10-6 |
| ITF M15 Castelo Branco | 2021/07/25 08:00 | Osgar O'Hoisin v Ivan Zaytsev | 7-5,6-0 |
| ITF M25 Idanha-A-Nova | 2021/07/18 10:30 | Raphael Lambling v Osgar O'Hoisin | 1-6,6-3,10-7 |
| ITF M25 Idanha-A-Nova | 2021/07/13 08:00 | Yasha Zemel v Osgar O'Hoisin | 6-4,4-6,12-10 |
| ITF M25 Idanha-A-Nova | 2021/07/12 12:00 | Guilherme Valdoleiros v Osgar O'Hoisin | 4-6,1-6 |
| ITF M25 Idanha-A-Nova | 2021/07/11 10:30 | Osgar O'Hoisin v Martin Breysach | 6-4,6-4 |
| ITF M25 Bakio | 2021/06/30 08:30 | Osgar O'Hoisin v Kaichi Uchida | 3-6,5-7 |
| ITF M25 Denia | 2021/07/26 14:30 | Andrey Chepelev v Xavier Gabarro | 6-4,6-0 |
| ITF M25 Denia | 2021/07/25 09:30 | Xavier Gabarro v Higinio Sanchis Melero | 6-1,6-3 |
| ITF M25 Gandia | 2021/07/19 10:00 | Albert Roglan v Xavier Gabarro | 2-6,6-3,10-6 |
| ITF M25 Gandia | 2021/07/18 11:00 | Xavier Gabarro v Oliver Andersson | 6-4,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/06/27 08:00 | Xavier Gabarro v Adria Soriano Barrera | 6-3,5-3 |
| UTR Pro Tennis Series Barcelona | 2021/06/26 12:00 | Alejandro Moro Canas v Xavier Gabarro | 7-5,4-6,6-7 |
| UTR Pro Tennis Series Barcelona | 2021/06/25 11:00 | Xavier Gabarro v Ihor Dudun | 6-2,5-1 |
| UTR Pro Tennis Series Barcelona | 2021/06/22 11:00 | Luc Fomba v Xavier Gabarro | 6-2,5-0 |