Stadium: Court 8 Round: 62 Ground: Clay
| ITF M15 Bad Waltersdorf | 2021/08/22 07:00 | Lorenzo Vatteroni v Mario G Fernandez | 7-5,6-4 |
| ITF M15 Warmbad-Villach | 2021/08/18 14:35 | Mario G Fernandez v Lukas Krainer | 6-7,6-2,1-6 |
| ITF M15 Warmbad-Villach | 2021/08/17 11:00 | Paul Valsecchi v Mario G Fernandez | 2-6,3-6 |
| ITF M15 Warmbad-Villach | 2021/08/16 16:00 | Matic Dimic v Mario G Fernandez | 5-7,3-6 |
| ITF M15 Warmbad-Villach | 2021/08/16 07:00 | Maximilian Figl v Mario G Fernandez | 5-7,1-6 |
| ITF M15 Castelo Branco | 2021/07/25 11:00 | David Marrero v Mario G Fernandez | 4-6,7-5,10-8 |
| ITF M25 Idanha-A-Nova | 2021/07/20 09:50 | Mario G Fernandez v Ben Jones | 2-6,2-6 |
| ITF M25 Idanha-A-Nova | 2021/07/19 13:00 | Diego F Flores v Mario G Fernandez | 6-2,3-6,5-10 |
| ITF M15 Xativa | 2021/08/03 07:00 | Jorge Martinez Martinez v Yeray A. Pastor | 6-4,2-6,10-8 |
| ITF M15 Xativa | 2021/08/02 07:00 | Rafael Mazon-Hernandez v Jorge Martinez Martinez | 1-6,1-6 |
| ITF M25 Denia | 2021/07/25 09:30 | Jorge Martinez Martinez v Alejandro Garcia | 6-0,1-6,7-10 |
| UTR Pro Tennis Series Barcelona | 2021/06/12 07:00 | Alexandre Reco v Jorge Martinez Martinez | 6-1,5-2 |
| UTR Pro Tennis Series Barcelona | 2021/06/11 09:30 | Jorge Martinez Martinez v David Redondo | 6-1,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/06/09 09:30 | Jorge Martinez Martinez v Antoine Escoffier | 2-6,5-6 |
| UTR Pro Tennis Series Barcelona | 2021/06/08 08:00 | Jorge Martinez Martinez v Jaume Pla Malfeito | 6-4,6-2 |
| UTR Pro Tennis Series Barcelona | 2021/06/07 09:30 | Noah Lopez v Jorge Martinez Martinez | 6-7,6-3,2-5 |