Stadium: Court 2 Round: 26 Ground: Clay
| ITF M15 - Naples | 2021/10/06 13:30 | Antoine Cornut-Chauvinc v Dan Martin | 6-0,7-6 |
| Challenger - Zadar | 2021/03/21 13:30 | Matej Sabanov v Antoine Cornut-Chauvinc | 6-1,6-4 |
| ITF M15 - Rovinj | 2021/03/18 09:00 | Pavel Nejedly v Antoine Cornut-Chauvinc | 7-6,6-3 |
| ITF M15 - Rovinj | 2021/03/16 12:20 | Nikita Mashtakov v Antoine Cornut-Chauvinc | 4-6,6-3,1-6 |
| ITF M15 - Porec | 2021/03/11 10:30 | Antoine Cornut-Chauvinc v Sebastian Prechtel | 6-4,4-6,6-7 |
| ITF M15 - Porec | 2021/03/10 12:40 | Antoine Cornut-Chauvinc v Federico Arnaboldi | 6-7,6-3,6-2 |
| Challenger - Quimper | 2021/02/03 09:30 | Brandon Nakashima v Antoine Cornut-Chauvinc | 6-3,6-3 |
| Challenger - Quimper | 2021/01/27 11:55 | Antoine Cornut-Chauvinc v Arthur Rinderknech | 5-7,6-7 |
| ITF M15 - Naples | 2021/10/06 15:25 | John Bernard v Oscar Mesquida Berg | 6-7,1-6 |
| ITF M15 - Melilla | 2021/09/25 07:00 | Oscar Mesquida Berg v Diego F Flores | 6-3,7-5 |
| ITF M15 - Melilla | 2021/09/24 09:00 | Daniel Merida Aguilar v Oscar Mesquida Berg | 7-5,3-6,3-6 |
| ITF M25 - Pensacola | 2021/05/20 14:30 | Oscar Mesquida Berg v Peter Bertran | 4-6,1-6 |
| ITF M25 - Pensacola | 2021/05/19 16:50 | Nick Chappell v Oscar Mesquida Berg | 5-7,6-4,3-6 |
| ITF M25 - Pensacola | 2021/05/18 16:05 | Juncheng Shang v Oscar Mesquida Berg | 5-7,5-7 |
| ITF M25 - Pensacola | 2021/05/17 15:00 | Caleb Strother v Oscar Mesquida Berg | 5-7,0-6 |
| ITF M25 Fayetteville | 2020/11/02 17:30 | Joshua Sheehy v Oscar Mesquida Berg | 7-6,3-6,10-8 |