Stadium: Court 5 Round: 26 Ground: Clay
| ITF M25 Madrid | 2021/09/15 10:20 | Facundo Diaz Acosta v Nikolas Sanchez Izquierdo | 3-6,3-6 |
| ITF M25 Madrid | 2021/09/14 09:05 | Nikolas Sanchez Izquierdo v Constantinos Koshis | 6-2,6-2 |
| ITF M25 Madrid | 2021/09/13 09:00 | Nikolas Sanchez Izquierdo v Vojtech Vlkovsky | 6-4,6-4 |
| Challenger Seville | 2021/09/06 11:00 | Nikolas Sanchez Izquierdo v Tomas Barrios Vera | 6-4,2-6,5-7 |
| Challenger Prague | 2021/08/24 08:30 | Nikolas Sanchez Izquierdo v Franco Agamenone | 3-6,3-6 |
| ITF M25 Prostejov | 2021/08/21 07:50 | Facundo Diaz Acosta v Nikolas Sanchez Izquierdo | 4-6,6-1,4-6 |
| ITF M25 Prostejov | 2021/08/20 08:00 | Nikolas Sanchez Izquierdo v Alex Rybakov | 6-3,6-2 |
| ITF M25 Prostejov | 2021/08/19 10:10 | Zsombor Piros v Nikolas Sanchez Izquierdo | 6-4,6-7,2-6 |
| ITF M25 Madrid | 2021/09/15 06:50 | Arnaud Bovy v Mariano Kestelboim | 7-6,6-2 |
| ITF M25 Eupen | 2021/09/07 13:30 | Oscar Moraing v Arnaud Bovy | 6-4,6-1 |
| ITF M15 Huy | 2021/08/26 12:10 | Arnaud Bovy v Raphael Collignon | 3-6,5-7 |
| ITF M15 Huy | 2021/08/25 11:00 | Arnaud Bovy v Maik Steiner | 7-5,0-6,6-3 |
| ITF M25 Koksijde | 2021/08/21 11:35 | Joris De Loore v Arnaud Bovy | 4-6,6-2,6-3 |
| ITF M25 Koksijde | 2021/08/19 08:00 | Arnaud Bovy v Nicolas Tepmahc | 6-2,6-0 |
| ITF M25 Koksijde | 2021/08/17 16:20 | Yannick Mertens v Arnaud Bovy | 7-5,1-6,5-7 |
| ITF M25 Frankfurt am Main | 2021/08/12 11:50 | Arnaud Bovy v Yshai Oliel | 3-6,4-6 |