Stadium: Court 12 Round: 62 Ground: Clay
| ITF M15 Majadahonda | 2021/05/02 13:15 | Nicolas Moreno De Alboran v Arthur Fils | 1-6,1-6 |
| ITF M15 LPD Gran Canaria | 2021/04/27 09:00 | Timofey Skatov v Arthur Fils | 6-4,6-4 |
| ITF M25 Angers | 2021/04/22 15:25 | Chun Hsin Tseng v Arthur Fils | 6-1,7-5 |
| ITF M25 Angers | 2021/04/20 13:10 | Georgii Kravchenko v Arthur Fils | 4-6,6-2,3-6 |
| ITF M25 Reus | 2021/04/15 08:00 | Shintaro Mochizuki v Arthur Fils | 6-4,6-4 |
| ITF M25 Reus | 2021/04/14 08:00 | Alvaro Lopez San Martin v Arthur Fils | 6-3,4-6,3-6 |
| ITF M25 Reus | 2021/04/13 07:30 | Arthur Fils v Diego A B Sanchez | 7-5,6-7,10-7 |
| ITF M25 Reus | 2021/04/12 07:30 | Theo Arribage v Arthur Fils | 6-7,6-7 |
| 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 |
| 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 | Mariano Alberto Hasenkopf 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 |