Stadium: Pista 3 Round: 14 Ground: Hardcourt outdoor
| Challenger Amersfoort | 2021/07/11 10:00 | Sergio Martos Gornes v Carlos Sanchez Jover | 4-6,4-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/12 08:30 | Sergio Martos Gornes v Diego F Flores | 3-6,4-5 |
| UTR Pro Tennis Series Barcelona | 2021/06/11 13:00 | Sergio Martos Gornes v Dominik Palan | 4-6,2-6 |
| Challenger Oeiras | 2021/03/28 10:00 | Sergio Martos Gornes v Denis Yevseyev | 3-6,3-6 |
| Challenger Guayaquil | 2020/11/14 15:00 | Nicolas Alvarez v Sergio Martos Gornes | 6-0,6-2 |
| ITF M25 Murcia | 2020/03/02 13:00 | Zakhar Trapeznikov v Sergio Martos Gornes | 6-4,0-6,10-5 |
| Challenger Sibiu | 2019/09/18 09:55 | Laurent Lokoli v Sergio Martos Gornes | 6-1,6-2 |
| Challenger Sibiu | 2019/09/16 07:00 | Jaroslav Pospisil v Sergio Martos Gornes | 7-5,6-3 |
| Challenger Porto | 2021/06/27 11:30 | Francisco Cabral v Ronald Slobodchikov | 6-2,6-2 |
| Challenger Aix en Provence | 2021/06/13 08:30 | Ronald Slobodchikov v Oscar Jose Gutierrez | 1-6,4-6 |
| Challenger Biella | 2021/05/30 13:30 | Ronald Slobodchikov v Camilo Ugo Carabelli | 2-6,1-6 |
| Challenger Oeiras | 2021/05/23 10:00 | Lucas Catarina v Ronald Slobodchikov | 6-1,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/05/02 07:00 | Ronald Slobodchikov v Yurii Dzhavakian | 4-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/04/28 09:30 | Ronald Slobodchikov v Pol Toledo Bague | 2-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/04/27 09:30 | Ronald Slobodchikov v Noah Lopez | 2-6,4-6 |
| UTR Pro Tennis Series Barcelona | 2021/04/26 09:30 | Fermin Calvo Barcelo v Ronald Slobodchikov | 4-6,3-6 |