Stadium: Court 10 Round: 25 Ground: Clay
| ITF M25 - Gandia | 2021/07/20 08:00 | Albert Roglan v Jordi Mas De Ugarte | 1-6,1-6 |
| ITF M25 - Gandia | 2021/07/18 08:00 | Jordi Mas De Ugarte v Zakhar Trapeznikov | 6-3,6-2 |
| ITF M25 - Bakio | 2021/06/29 10:50 | Alex Martinez v Jordi Mas De Ugarte | 7-6,6-4 |
| ITF M25 - Bakio | 2021/06/28 16:00 | Inaki Cabrera Bello v Jordi Mas De Ugarte | 3-6,2-6 |
| UTR Pro Tennis Series - Barcelona | 2021/06/24 10:00 | Jordi Mas De Ugarte v Joris De Loore | 4-6,2-5 |
| UTR Pro Tennis Series - Barcelona | 2021/06/22 08:00 | Jordi Mas De Ugarte v Jaume Pla Malfeito | 3-6,6-2,6-4 |
| UTR Pro Tennis Series - Barcelona | 2021/06/21 12:30 | Jordi Mas De Ugarte v Jesus Echevarri | 6-3,5-0 |
| UTR Pro Tennis Series - Barcelona | 2021/06/20 10:00 | Jordi Mas De Ugarte v Jose Joaquin M Cisneros | 5-7,6-3,6-3 |
| Challenger - Amersfoort | 2021/07/12 09:00 | Jeremy Jahn v Johan Nikles | 2-6,3-6 |
| Challenger - Amersfoort | 2021/07/11 11:40 | Jeremy Jahn v Arjun Kadhe | 6-2,6-7,6-4 |
| ITF M25 Marburg | 2021/07/06 16:40 | Alexander Donski v Jeremy Jahn | 6-2,6-2 |
| ITF M25 - Den Haag | 2021/06/29 09:00 | Jeremy Jahn v Javier Barranco Cosano | 2-6,3-6 |
| ITF M25 - Alkmaar | 2021/06/23 10:55 | Marvin Moeller v Jeremy Jahn | 6-2,6-0 |
| DTB German Pro Series | 2020/06/12 08:30 | Jeremy Jahn v Nino Ehrenschneider | 4-6,1-6 |
| DTB German Pro Series | 2020/06/11 08:00 | Jeremy Jahn v Marvin Moeller | 6-3,0-6,3-6 |
| ITF M25 - Sunderland | 2020/02/26 13:00 | Jeremy Jahn v Jonathan Mridha | 3-6,3-6 |