Stadium: Court 21 Round: 62 Ground: Clay
| ITF - M15 Antalya | 2021/03/28 06:30 | Paul Woerner v Mario Mansilla Diez | 2-6,6-2,11-9 |
| ITF - M25 La Nucia | 2021/03/14 08:00 | Carlos Lopez Montagud v Mario Mansilla Diez | 6-2,6-4 |
| ITF M15 La Nucia | 2021/03/09 11:00 | Mario Mansilla Diez v Miguel Damas | 6-3,3-6,3-10 |
| ITF M25 Villena | 2021/01/31 10:30 | Denis Klok v Mario Mansilla Diez | 6-2,6-3 |
| ITF M15 Getafe Madrid | 2020/11/29 13:00 | Mario Mansilla Diez v Michael Zhu | 3-6,5-7 |
| ITF M15 Benicarlo | 2020/11/22 08:30 | Hasenkopf, Mariano Alberto v Mario Mansilla Diez | 6-7,6-1,10-7 |
| ITF - M15 Villena | 2020/11/15 11:30 | Mario Mansilla Diez v Alberto Barroso Campos | 3-6,3-6 |
| ITF M15 Sintra | 2020/09/13 10:00 | Mario Mansilla Diez v Roglan, Albert | 6-7,1-6 |
| ITF - M15 Antalya | 2021/03/31 10:25 | Viacheslav Bielinskyi v Bogdan Bobrov | 2-6,3-6 |
| ITF - M15 Antalya | 2021/02/14 06:00 | Patino, Luis v Viacheslav Bielinskyi | 5-7,6-4,10-7 |
| ITF - M15 Antalya | 2021/02/07 09:30 | Timo Legout v Viacheslav Bielinskyi | 6-4,6-2 |
| ITF - M15 Sharm El Sheikh | 2020/10/19 07:00 | Tristan Boyer v Viacheslav Bielinskyi | 6-4,4-6,10-6 |
| ITF - M15 Sharm El Sheikh | 2020/10/18 09:00 | Viacheslav Bielinskyi v Kalovelonis, Markos | 4-6,7-6,10-8 |
| ITF - M15 Sharm El Sheikh | 2020/10/11 07:00 | Viacheslav Bielinskyi v Alec Beckley | 5-7,1-6 |
| ITF - M15 Sharm El Sheikh | 2020/10/07 11:20 | Viacheslav Bielinskyi v Vilardo, Francesco | 2-6,6-7 |
| ITF M15 Novomoskovsk | 2020/09/03 11:10 | Viacheslav Bielinskyi v Shyla, Yaraslau | 6-4,4-6,3-6 |