Stadium: Court 4 Round: 25 Ground: Clay
| ITF M25 Bolzano | 2021/08/03 18:35 | Arthur Reymond v Oscar Jose Gutierrez | 6-4,3-6,6-2 |
| Challenger Tampere | 2021/07/19 09:00 | Geoffrey Blancaneaux v Oscar Jose Gutierrez | 6-4,6-2 |
| Challenger Tampere | 2021/07/18 08:00 | Roni Rikkonen v Oscar Jose Gutierrez | 2-6,5-7 |
| ATP Bastad | 2021/07/11 09:00 | Arthur Rinderknech v Oscar Jose Gutierrez | 6-4,7-5 |
| ITF M25 Velenje | 2021/07/08 09:45 | Oscar Jose Gutierrez v Peter Goldsteiner | 6-7,6-3,4-6 |
| ITF M25 Velenje | 2021/07/07 08:00 | Oscar Jose Gutierrez v Constantin Bittoun Kouzmine | 4-6,6-3,6-4 |
| ITF M25 Wroclaw | 2021/07/03 09:00 | Orlando Luz v Oscar Jose Gutierrez | 6-2,6-4 |
| ITF M25 Wroclaw | 2021/07/02 09:00 | Vladyslav Orlov v Oscar Jose Gutierrez | 1-6,1-6 |
| ITF M15 Cairo | 2021/08/07 08:00 | Jose Fco. Vidal Azorin v Juan Bautista Torres | 6-4,4-6,6-4 |
| ITF M15 Cairo | 2021/08/06 08:00 | Juan Bautista Torres v Oleksandr Ovcharenko | 6-4,6-2 |
| ITF M15 Cairo | 2021/08/05 08:00 | Juan Bautista Torres v Keisuke Saitoh | 6-0,6-1 |
| ITF M15 Cairo | 2021/08/04 14:15 | Juan Bautista Torres v George Gregoriou | 6-2,6-0 |
| ITF M15 Cairo | 2021/08/01 08:00 | Alejo Lorenzo Lingua Lavallen v Juan Bautista Torres | 6-1,1-6,5-7 |
| ITF M15 Cairo | 2021/07/31 08:00 | Juan Bautista Torres v Quentin Folliot | 6-3,6-0 |
| ITF M15 Cairo | 2021/07/30 08:00 | Juan Bautista Torres v Gustavo Heide | 7-6,6-1 |
| ITF M15 Cairo | 2021/07/29 08:00 | Juan Bautista Torres v Keisuke Saitoh | 6-1,6-1 |