| UTR Pro Tennis Series Barcelona | 2021/08/04 07:00 | Federico Zeballos v Guerrero Melgar, Angel | 6-4,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/08/03 08:30 | Federico Zeballos v Deviatiarov, Marat | 7-6,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/08/02 10:00 | Jay Friend v Federico Zeballos | 1-6,0-6 |
| Segovia, Spain | 2021/07/25 09:00 | Federico Zeballos v Cozbinov, Alexander | 1-6,1-6 |
| Challenger Pozoblanco | 2021/07/23 20:20 | Federico Zeballos v Gregoire Barrere | 4-6,3-6 |
| Challenger Pozoblanco | 2021/07/21 15:00 | Federico Zeballos v Filip Cristian Jianu | 7-6,6-4 |
| Challenger Pozoblanco | 2021/07/20 15:00 | Gojo, Borna v Federico Zeballos | 4-6,6-7 |
| Challenger Pozoblanco | 2021/07/19 15:00 | Matteo Martineau v Federico Zeballos | 6-2,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/08/05 10:00 | Deviatiarov, Marat v Carretero, Pablo | 6-0,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/08/03 08:30 | Jay Friend v Carretero, Pablo | 6-4,5-7,0-5 |
| UTR Pro Tennis Series Barcelona | 2021/08/02 10:00 | Carretero, Pablo v Guerrero Melgar, Angel | 7-6,6-3 |
| ITF - M25 Vale Do Lobo | 2021/03/08 13:00 | Axel Garcian v Carretero, Pablo | 6-7,6-3,12-10 |
| ITF - M25 Vale Do Lobo | 2021/03/07 12:00 | Carretero, Pablo v Vasco L Prata | 6-4,6-2 |
| ITF - M25 Faro | 2021/02/28 10:00 | Goldsteiner, Peter v Carretero, Pablo | 6-4,7-6 |
| ITF - M25 Vale Do Lobo | 2021/02/22 14:30 | Ugo Blanchet v Carretero, Pablo | 6-1,6-4 |
| ITF M15 Getafe Madrid | 2020/11/29 14:00 | Carretero, Pablo v Alberto Barroso Campos | 0-6,4-6 |