Stadium: Court 3 Round: 25 Ground: Clay
| Challenger Seville | 2021/09/06 19:00 | Roberto Ortega-Olmedo v Adrian Andreev | 6-7,0-6 |
| Challenger Mallorca | 2021/09/02 14:30 | Joao Sousa v Roberto Ortega-Olmedo | 6-3,6-3 |
| Challenger Mallorca | 2021/08/31 10:00 | Roberto Ortega-Olmedo v Nicolas Mejia | 7-5,7-5 |
| Challenger Prague | 2021/08/23 10:00 | Roberto Ortega-Olmedo v Alexander Ritschard | 1-6,1-6 |
| ITF M25 Frankfurt am Main | 2021/08/11 09:00 | Roberto Ortega-Olmedo v Matthew Romios | 2-6,4-6 |
| Challenger Segovia | 2021/07/27 14:00 | Roberto Ortega-Olmedo v Cem Ilkel | 6-3,6-7,4-6 |
| Challenger Pozoblanco | 2021/07/20 17:10 | Tim Van Rijthoven v Roberto Ortega-Olmedo | 6-3,6-7,7-5 |
| Challenger Iasi | 2021/07/13 10:50 | Matija Pecotic v Roberto Ortega-Olmedo | 4-6,6-0,6-1 |
| Challenger Seville | 2021/09/05 09:00 | Ignacio Monzon v Carlos Sanchez Jover | 6-1,3-6,4-6 |
| ITF M15 Huy | 2021/08/25 09:00 | Nicolas Tepmahc v Ignacio Monzon | 6-4,6-3 |
| ITF M15 Oldenzaal | 2021/08/18 09:55 | Ignacio Monzon v Damien Wenger | 2-6,0-6 |
| ITF M15 Cairo | 2021/08/05 08:00 | Stefano Battaglino v Ignacio Monzon | 2-6,6-1,6-2 |
| ITF M15 Cairo | 2021/08/04 12:45 | Daisuke Sumizawa v Ignacio Monzon | 3-6,1-6 |
| ITF M15 Cairo | 2021/07/30 10:30 | Mathieu Perchicot v Ignacio Monzon | 7-5,6-2 |
| ITF M15 Cairo | 2021/07/29 08:00 | Maikel De Boes v Ignacio Monzon | 1-6,3-6 |
| ITF M15 Cairo | 2021/07/28 08:00 | Nikita Kashirin v Ignacio Monzon | 4-6,1-6 |