Stadium: Centre Court Round: 62 Ground: Clay
| ITF M15 La Nucia | 2021/03/10 09:30 | Carlos Lopez Montagud v Carlos Sanchez Jover | 6-7,2-6 |
| ITF M15 Antalya | 2021/02/18 11:00 | Carlos Lopez Montagud v Pedro Cachin | 1-6,0-6 |
| ITF M15 Antalya | 2021/02/17 07:00 | Carlos Lopez Montagud v Danylo Veremeychuk | 6-2,6-3 |
| ITF M15 Antalya | 2021/02/16 11:00 | Pietro Rondoni v Carlos Lopez Montagud | 0-6,2-6 |
| ITF M15 Antalya | 2021/02/16 07:00 | Benedikt Henning v Carlos Lopez Montagud | 1-6,6-3,8-10 |
| ITF M15 Antalya | 2021/02/14 12:00 | Michalis Sakellaridis v Carlos Lopez Montagud | 2-6,5-7 |
| ITF M15 Antalya | 2021/02/09 07:00 | Pedro Vives Marcos v Carlos Lopez Montagud | 7-5,6-4 |
| ITF M15 Antalya | 2021/02/08 07:00 | Neil Oberleitner v Carlos Lopez Montagud | 2-6,3-6 |
| 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 |
| ITF M15 Sintra | 2020/09/13 10:00 | Mario Mansilla Diez v Albert Roglan | 6-7,1-6 |
| Spanish Summer League | 2020/07/22 11:00 | Mario Mansilla Diez v Jordan Correia | 0-6,4-6 |
| ITF M15 Monastir | 2019/11/25 12:30 | Mario Mansilla Diez v Tom Pisane | 6-3,5-7,7-10 |