Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| Challenger Champaign | 2021/11/15 21:05 | Gunneswaran, Prajnesh v Kirkov, Vasil | 5-7,1-6 |
| Challenger Knoxville | 2021/11/10 23:45 | Sock, Jack v Gunneswaran, Prajnesh | 6-3,7-6 |
| Challenger Knoxville | 2021/11/08 20:00 | Gunneswaran, Prajnesh v Torpegaard, Mikael | 6-2,7-6 |
| Challenger Charlottesville | 2021/11/05 16:00 | Schnur, Brayden v Gunneswaran, Prajnesh | 7-5,6-3 |
| 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 |
| ITF - M15 Antalya | 2021/11/19 08:20 | Yanki Erel v Billy Harris | 2-6,3-6 |
| ITF - M15 Antalya | 2021/11/18 08:15 | Yanki Erel v Nagy, Peter | 6-1,6-4 |
| ITF - M15 Antalya | 2021/11/17 08:40 | Yanki Erel v Kalender, Admir | 6-4,1-6,6-1 |
| ITF - M15 Doha | 2021/10/22 12:30 | Yanki Erel v Terence Atmane | 1-6,5-7 |
| ITF - M15 Doha | 2021/10/21 12:30 | Yanki Erel v Oscar Moraing | 6-3,6-2 |
| ITF - M15 Doha | 2021/10/16 13:00 | Valentin Vacherot v Yanki Erel | 6-2,6-1 |
| ITF - M15 Doha | 2021/10/15 13:00 | Boehler, Dominik v Yanki Erel | 2-6,6-7 |
| ITF - M15 Doha | 2021/10/14 13:25 | Aleksandre Bakshi v Yanki Erel | 1-6,4-6 |