Stadium: Court 2 Round: 27 Ground: Clay
| ITF M15 Bratislava | 2021/08/18 08:00 | Bastian Malla v Zsombor Velcz | 6-2,6-2 |
| ITF M15 Bratislava | 2021/08/17 08:00 | Zsombor Velcz v Lukas H Lilleengen | 7-5,6-2 |
| ITF M15 Bratislava | 2021/08/16 08:00 | Zsombor Velcz v Matej Galik | 6-0,6-2 |
| ITF M15 Telavi | 2021/08/03 09:00 | Mikhail Fufygin v Zsombor Velcz | 6-4,7-6 |
| ITF M15 Doboj | 2021/07/13 12:30 | Zsombor Velcz v Martin Krumich | 6-3,4-6,6-7 |
| ITF M15 Antalya | 2021/06/28 06:30 | Zsombor Velcz v Fletcher Scott | 5-7,1-6 |
| ITF M15 Antalya | 2021/06/23 10:15 | Stefan Palosi v Zsombor Velcz | 6-3,7-6 |
| ITF M15 Sarajevo | 2021/06/02 15:55 | Zsombor Velcz v Domagoj Biljesko | 7-6,2-6,5-7 |
| ITF M15 Bratislava | 2021/08/16 12:00 | Adria Soriano Barrera v Obrad Markovski | 2-6,6-3,8-10 |
| UTR Pro Tennis Series Barcelona | 2021/08/08 08:30 | Kuzey Cekirge v Adria Soriano Barrera | 6-7,5-7 |
| UTR Pro Tennis Series Barcelona | 2021/08/07 08:30 | Miguel Fernando Pereira v Adria Soriano Barrera | 6-7,6-0,5-7 |
| UTR Pro Tennis Series Barcelona | 2021/08/06 08:30 | Francois Musitelli v Adria Soriano Barrera | 6-7,2-5 |
| UTR Pro Tennis Series Barcelona | 2021/08/05 07:00 | Jaume Pla Malfeito v Adria Soriano Barrera | 1-6,1-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/04 10:00 | Jordi Munoz-Abreu v Adria Soriano Barrera | 2-6,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/02 08:30 | Alejandro Mendoza v Adria Soriano Barrera | 3-6,2-6 |
| ITF M25 Idanha-A-Nova | 2021/07/18 13:00 | John Echeverria v Adria Soriano Barrera | 7-6,7-5 |