Estadio: Court 11 Round: 62 Ground: Clay
| ITF M25 Fayetteville | 2021/11/02 14:00 | Oscar Mesquida Berg v Keenan Mayo | 3-6,2-6 |
| ITF 15 Naples | 2021/10/07 15:00 | Antoine Cornut-Chauvinc v Oscar Mesquida Berg | 6-0,6-2 |
| ITF 15 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 |