| UTR Pro Tennis Series Barcelona | 2021/06/23 09:30 | Ervin H Eminefendic v Adria Soriano Barrera | 1-6,5-7 |
| UTR Pro Tennis Series Barcelona | 2021/06/22 09:30 | Ervin H Eminefendic v Pau Fanlo Munera | 6-0,2-6,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/06/21 11:00 | Ervin H Eminefendic v Agustin Velotti | 2-6,0-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/20 07:00 | Ervin H Eminefendic v Alvaro Bueno Gil | 3-6,5-6 |
| ITF M15 Monastir | 2021/04/27 09:55 | Mariano Kestelboim v Ervin H Eminefendic | 6-3,6-0 |
| ITF M15 Monastir | 2021/04/12 09:00 | Louis Tessa v Ervin H Eminefendic | 6-0,6-2 |
| ITF M15 Monastir | 2021/04/11 11:00 | Ervin H Eminefendic v Dorian Kos | 2-6,6-2,10-6 |
| ITF M15 Monastir | 2021/03/14 09:00 | Ervin H Eminefendic v Luigi Sorrentino | 1-6,4-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/23 08:00 | Constant De La Bassetiere v Mario Mansilla Diez | 6-1,5-1 |
| UTR Pro Tennis Series Barcelona | 2021/06/22 09:30 | Marcelo Zormann v Mario Mansilla Diez | 7-5,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/06/21 08:00 | Mario Mansilla Diez v Alvaro Bueno Gil | 6-2,4-6,5-3 |
| ITF M15 Marbella | 2021/05/25 09:00 | Max Alcala Gurri v Mario Mansilla Diez | 6-2,6-4 |
| ITF M15 Valldoreix | 2021/05/09 14:00 | Alvaro Lopez San Martin v Mario Mansilla Diez | 6-3,6-0 |
| ITF M15 Majadahonda | 2021/05/03 12:00 | Arthur Fils v Mario Mansilla Diez | 7-6,6-2 |
| ITF M15 Antalya | 2021/04/04 06:30 | Mario Mansilla Diez v Viacheslav Bielinskyi | 6-2,1-6,4-10 |
| ITF M15 Antalya | 2021/03/28 06:30 | Paul Woerner v Mario Mansilla Diez | 2-6,6-2,11-9 |