stadio: Court 1 Round: 25 Ground: Clay
| ITF M25 Oviedo | 2021/09/03 10:25 | Nicolas Alvarez v Oriol Roca Batalla | 1-6,6-3,5-7 |
| ITF M25 Oviedo | 2021/09/02 09:00 | Miguel Damas v Nicolas Alvarez | 6-1,3-6,4-6 |
| ITF M25 Oviedo | 2021/09/01 08:00 | Andrey Chepelev v Nicolas Alvarez | 6-4,1-6,3-6 |
| ITF M25 Oviedo | 2021/08/31 07:00 | Alejandro Mendoza v Nicolas Alvarez | 2-6,3-6 |
| Challenger Barletta | 2021/08/27 12:40 | Thiago Agustin Tirante v Nicolas Alvarez | 6-2,6-2 |
| Challenger Barletta | 2021/08/25 11:00 | Roberto Quiroz v Nicolas Alvarez | 5-7,4-6 |
| Challenger Barletta | 2021/08/24 10:55 | Nicolas Alvarez v Riccardo Bonadio | 4-6,7-6,7-5 |
| Challenger Barletta | 2021/08/23 09:00 | Nicolas Alvarez v Yan Bondarevskiy | 6-2,3-6,7-6 |
| Challenger Como | 2021/08/31 13:00 | Sumit Nagal v Andrey Kuznetsov | 4-6,6-7 |
| US Open | 2021/08/24 16:30 | Sumit Nagal v Juan Pablo Ficovich | 5-7,6-4,3-6 |
| Challenger - Meerbusch | 2021/08/09 11:05 | Tomas Barrios Vera v Sumit Nagal | 7-5,4-6,6-3 |
| Challenger Liberec | 2021/08/02 15:30 | Maximilian Marterer v Sumit Nagal | 6-4,6-3 |
| Olimpiadi 2020 - Maschili | 2021/07/26 05:00 | Sumit Nagal v Daniil Medvedev | 2-6,1-6 |
| Olimpiadi 2020 - Maschili | 2021/07/24 03:20 | Sumit Nagal v Denis Istomin | 6-4,6-7,6-4 |
| ATP Amburgo | 2021/07/13 09:00 | Juan Pablo Varillas v Sumit Nagal | 6-0,6-4 |
| ATP Amburgo | 2021/07/11 09:00 | Zhizhen Zhang v Sumit Nagal | 6-4,6-2 |