| UTR Pro Tennis Series Barcelona | 2021/12/08 13:57 | Oscar Jose Gutierrez v Vlad Cristian Breazu | 1-6,6-3,5-4 |
| UTR Pro Tennis Series Barcelona | 2021/12/12 08:00 | Oscar Jose Gutierrez v Yanais Laurent | 5-7,1-6 |
| UTR Pro Tennis Series Barcelona | 2021/12/11 12:30 | Oscar Jose Gutierrez v Carlos Gimenez Perez | 6-3,6-0 |
| UTR Pro Tennis Series Barcelona | 2021/12/09 08:00 | Oscar Jose Gutierrez v Kuzey Cekirge | 1-6,6-3,6-0 |
| UTR Pro Tennis Series Barcelona | 2021/12/08 13:57 | Oscar Jose Gutierrez v Vlad Cristian Breazu | 1-6,6-3,5-4 |
| UTR Pro Tennis Series Barcelona | 2021/12/07 10:30 | Oscar Jose Gutierrez v Jordan Correia | 0-6,5-7 |
| UTR Pro Tennis Series Barcelona | 2021/12/06 14:40 | Oscar Jose Gutierrez v Sergio Davila Godoy | 6-3,5-1 |
| Challenger Sao Paulo | 2021/11/29 13:00 | Oscar Jose Gutierrez v Hernan Casanova | 7-5,6-7,0-6 |
| ITF M25 Aparecida De Goiania | 2021/11/14 16:00 | Oscar Jose Gutierrez v Daniel Dutra Da Silva | 6-0,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/12/11 09:30 | Vlad Cristian Breazu v Jay Friend | 4-6,2-5 |
| UTR Pro Tennis Series Barcelona | 2021/12/10 12:30 | Vlad Cristian Breazu v Kuzey Cekirge | 7-6,2-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/12/09 08:00 | Vlad Cristian Breazu v Jordan Correia | 2-6,1-5 |
| UTR Pro Tennis Series Barcelona | 2021/12/08 13:57 | Oscar Jose Gutierrez v Vlad Cristian Breazu | 1-6,6-3,5-4 |
| UTR Pro Tennis Series Barcelona | 2021/12/07 10:30 | Sergio Davila Godoy v Vlad Cristian Breazu | 4-6,1-5 |
| UTR Pro Tennis Series Barcelona | 2021/11/28 09:30 | Michiel de Krom v Vlad Cristian Breazu | 6-1,4-6,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/11/26 18:10 | Tomas C Abasolo v Vlad Cristian Breazu | 5-7,3-6 |
| UTR Pro Tennis Series Barcelona | 2021/11/26 11:00 | Ilie Babinciuc v Vlad Cristian Breazu | 3-6,3-6 |