Stadium: Court 1 Round: 25 Ground: Clay
| ITF - M15 Monastir | 2021/05/04 10:30 | Oscar Jose Gutierrez v Crepaldi, Erik | 4-6,0-6 |
| ITF - M15 Monastir | 2021/06/16 08:30 | Crepaldi, Erik v Imanol L Morillo | 6-7,4-6 |
| ITF - M15 Monastir | 2021/06/10 08:25 | Nam, Ji Sung v Crepaldi, Erik | 6-4,7-5 |
| ITF - M15 Monastir | 2021/06/09 09:50 | Crepaldi, Erik v Ezequiel Simonit | 6-1,4-6,6-2 |
| ITF - M15 Monastir | 2021/05/13 08:30 | Crepaldi, Erik v Yunseong Chung | 4-6,5-7 |
| ITF - M15 Monastir | 2021/05/07 08:30 | Crepaldi, Erik v Alexander Donski | 6-7,7-5,4-6 |
| ITF - M15 Monastir | 2021/05/06 08:30 | Crepaldi, Erik v Lukas Neumayer | 3-6,6-1,7-6 |
| ITF - M15 Monastir | 2021/05/04 10:30 | Oscar Jose Gutierrez v Crepaldi, Erik | 4-6,0-6 |
| ITF - M15 Monastir | 2021/04/29 10:45 | Crepaldi, Erik v Alibek Kachmazov | 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 | Dougaz, Aziz v Oscar Jose Gutierrez | 6-4,4-6,6-4 |
| Challenger - Aix en Provence | 2021/06/13 08:30 | Slobodchikov, Ronald v Oscar Jose Gutierrez | 1-6,4-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/12 11:30 | Marcelo Zormann v Oscar Jose Gutierrez | 3-0 |
| UTR Pro Tennis Series Barcelona | 2021/06/11 11:00 | Pujol Navarro, Bruno v Oscar Jose Gutierrez | 6-7,4-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/10 09:30 | Pol Amoros Ramos v Oscar Jose Gutierrez | 4-6,7-6,2-5 |
| UTR Pro Tennis Series Barcelona | 2021/06/09 08:00 | Miranda Cisneros, Jose Joaquin v Oscar Jose Gutierrez | 2-6,2-5 |
| UTR Pro Tennis Series Barcelona | 2021/06/07 12:30 | Oriol Roca Batalla v Oscar Jose Gutierrez | 4-6,6-4,3-6 |