Stadium: Cancha 11 Round: 27 Ground: Clay
| ITF M15 Melilla | 2021/09/25 07:00 | Mario G Fernandez v Ignacio Monzon | 6-3,3-6,6-4 |
| ITF M15 Melilla | 2021/09/23 15:10 | Raffael Schaer v Ignacio Monzon | 5-7,6-3,2-6 |
| ITF M25 Madrid | 2021/09/14 09:10 | Roberto Ortega-Olmedo v Ignacio Monzon | 6-3,6-2 |
| 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 M25 Bakio | 2021/06/30 12:35 | Lucas Catarina v Juan Bautista Otegui | 4-6,7-5,6-0 |
| ITF M25 Bakio | 2021/06/28 16:20 | Juan Bautista Otegui v Pol Amoros Ramos | 6-2,6-2 |
| ITF M15 Bergamo | 2021/06/21 09:40 | Simone Roncalli v Juan Bautista Otegui | 6-3,6-2 |
| ITF M15 Genova | 2021/06/16 08:00 | Johan Sebastien Tatlot v Juan Bautista Otegui | 6-1,6-4 |
| ITF M15 Genova | 2021/06/15 08:50 | Juan Bautista Otegui v Andrea Guerrieri | 6-3,6-1 |
| ITF M15 Valldoreix | 2021/05/14 08:00 | Alvaro Lopez San Martin v Juan Bautista Otegui | 6-3,1-6,6-2 |
| ITF M15 Valldoreix | 2021/05/13 09:50 | Juan Bautista Otegui v Maxime Hamou | 6-3,7-5 |
| ITF M15 Valldoreix | 2021/05/12 11:00 | Juan Bautista Otegui v Mario G Fernandez | 6-4,6-3 |