Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| Challenger Iasi | 2021/07/13 10:50 | Matija Pecotic v Roberto Ortega-Olmedo | 4-6,6-0,6-1 |
| ITF M25 Ajaccio | 2021/07/08 17:05 | Clement Chidekh v Roberto Ortega-Olmedo | 6-2,2-6,6-2 |
| ITF M25 Ajaccio | 2021/07/07 07:00 | Simone Agostini v Roberto Ortega-Olmedo | 1-6,3-6 |
| ITF M25 Bakio | 2021/07/01 12:45 | Roberto Ortega-Olmedo v John Echeverria | 6-7,2-6 |
| ITF M25 Bakio | 2021/06/30 14:10 | Roberto Ortega-Olmedo v Alex M Pujolras | 7-5,6-3 |
| ATP Mallorca | 2021/06/19 14:15 | Roberto Ortega-Olmedo v Denis Istomin | 6-4,5-7,6-7 |
| Challenger Almaty | 2021/06/07 08:45 | Kimmer Coppejans v Roberto Ortega-Olmedo | 6-1,6-2 |
| Challenger Oeiras | 2021/05/25 10:00 | Chun Hsin Tseng v Roberto Ortega-Olmedo | 6-4,6-2 |
| ITF M15 Monastir | 2021/04/08 08:30 | Alberto Barroso Campos v Alen Avidzba | 6-7,5-7 |
| ITF M15 Monastir | 2021/04/07 12:00 | Hazem Naw v Alen Avidzba | 3-6,4-6 |
| ITF M15 Monastir | 2021/04/02 11:25 | Igor Marcondes v Alen Avidzba | 6-3,6-2 |
| ITF M15 Monastir | 2021/04/01 08:30 | Christian Langmo v Alen Avidzba | 3-6,6-3,3-6 |
| ITF M15 Monastir | 2021/03/31 08:30 | Giorgio Tabacco v Alen Avidzba | 1-6,0-6 |
| ITF M25 Faro | 2021/03/07 10:55 | Alen Avidzba v Lucas Poullain | 6-2,6-2 |
| ITF M25 Faro | 2021/03/05 10:45 | Alen Avidzba v Tomas Lipovsek Puches | 6-3,6-1 |
| ITF M25 Faro | 2021/03/04 09:30 | Edoardo Graziani v Alen Avidzba | 4-6,2-6 |