Stadium: Brenda Meyers Court Round: 27 Ground: Hardcourt indoor
| US Open, New York, USA | 2021/08/25 15:00 | Schnur, Brayden v Gunneswaran, Prajnesh | 4-6,6-7 |
| Nur Sultan, Kazakhstan | 2021/02/25 05:00 | Schnur, Brayden v Gunneswaran, Prajnesh | 6-3,3-6,0-6 |
| Open d'Australie | 2021/01/11 12:20 | Gunneswaran, Prajnesh v Schnur, Brayden | 6-4,4-6,6-2 |
| Challenger Bangalore | 2018/11/16 12:55 | Gunneswaran, Prajnesh v Schnur, Brayden | 6-4,6-1 |
| Challenger Charlottesville | 2021/11/03 17:25 | Christian Harrison v Schnur, Brayden | 6-7,7-6,6-7 |
| Challenger Charlottesville | 2021/11/01 19:55 | Yasutaka Uchiyama v Schnur, Brayden | 6-2,2-6,0-6 |
| Challenger Las Vegas | 2021/10/26 19:50 | Schnur, Brayden v Denis Kudla | 3-6,2-6 |
| ATP - Indian Wells | 2021/10/05 18:00 | Schnur, Brayden v Karlovic, Ivo | 6-4,6-7,6-7 |
| Orleans, France | 2021/09/29 20:00 | Ricardas Berankis v Schnur, Brayden | 6-7,6-4,6-2 |
| Orleans, France | 2021/09/27 10:00 | Schnur, Brayden v Andrey Kuznetsov | 2-6,7-6,6-4 |
| Orleans, France | 2021/09/26 09:00 | Schnur, Brayden v Giovanni Mpetshi Perricard | 6-4,6-2 |
| Metz, France | 2021/09/22 14:20 | Lucas Pouille v Schnur, Brayden | 3-6,6-4,6-4 |
| Challenger Charlottesville | 2021/11/03 21:00 | Inaki Montes-De La Torre v Gunneswaran, Prajnesh | 1-6,5-7 |
| Challenger Charlottesville | 2021/11/01 20:50 | Gunneswaran, Prajnesh v Taro Daniel | 6-7,7-6,6-2 |
| Challenger Columbus | 2021/09/23 15:00 | Gunneswaran, Prajnesh v Torpegaard, Mikael | 1-6,4-6 |
| Challenger Columbus | 2021/09/21 22:35 | Gunneswaran, Prajnesh v Aleksandar Kovacevic | 3-6,6-3,7-5 |
| Coupe Davis | 2021/09/18 12:55 | Niklas-Salminen, Patrick v Gunneswaran, Prajnesh | 3-6,5-7 |
| Coupe Davis | 2021/09/17 14:50 | Otto Virtanen v Gunneswaran, Prajnesh | 6-3,7-6 |
| Challenger St. Tropez | 2021/08/30 12:25 | Gunneswaran, Prajnesh v Hugo Grenier | 5-7,3-6 |
| US Open, New York, USA | 2021/08/26 18:20 | Christopher Eubanks v Gunneswaran, Prajnesh | 6-3,6-4 |