Stadium: Court 12 Round: 26 Ground: Clay
| ITF M25 Wroclaw | 2021/07/01 09:00 | Tomas Jirousek v Oscar Jose Gutierrez | 3-6,2-6 |
| ITF M25 Wroclaw | 2021/06/30 09:30 | Maciej Rajski v Oscar Jose Gutierrez | 3-6,4-6 |
| ITF M25 Montauban | 2021/06/25 14:00 | Arthur Cazaux v Oscar Jose Gutierrez | 6-3,6-2 |
| ITF M25 Montauban | 2021/06/24 13:30 | Oscar Jose Gutierrez v Nathan Seateun | 6-2,7-5 |
| ITF M25 Montauban | 2021/06/22 10:00 | Erik Crepaldi v Oscar Jose Gutierrez | 1-6,2-6 |
| Challenger Aix en Provence | 2021/06/15 13:05 | Renzo Olivo v Oscar Jose Gutierrez | 7-6,6-4 |
| Challenger Aix en Provence | 2021/06/14 08:30 | Mohamed Aziz Dougaz v Oscar Jose Gutierrez | 6-4,4-6,6-4 |
| Challenger Aix en Provence | 2021/06/13 08:30 | Ronald Slobodchikov v Oscar Jose Gutierrez | 1-6,4-6 |
| ITF M25 Weston | 2021/06/28 19:00 | Liam Draxl v Boris Arias | 6-3,6-2 |
| ITF M15 Santo Domingo | 2020/12/06 14:30 | Zane Khan v Boris Arias | 6-2,6-1 |
| ITF M15 Santo Domingo | 2020/11/29 14:30 | Reese Stalder v Boris Arias | 6-2,6-2 |
| UTR Pro Tennis Series Florida | 2020/09/24 15:00 | Boris Arias v Evan King | 6-4,1-6,5-10 |
| UTR Pro Tennis Series Florida | 2020/09/24 13:20 | Boris Arias v Fletcher Scott | 2-6,5-7 |
| UTR Pro Tennis Series Florida | 2020/09/23 13:20 | Boris Arias v Evan King | 6-1,6-2 |
| UTR Pro Tennis Series Florida | 2020/09/23 12:00 | Boris Arias v Alejandro Gomez | 6-1,6-2 |
| UTR Pro Tennis Series Florida | 2020/09/22 13:45 | Boris Arias v Adam El Mihdawy | 0-6,3-6 |