Stadium: Court Central Round: 62 Ground: Hardcourt outdoor
| ITF M25 Monastir | 2023/02/13 15:30 | Florent Bax v Karan Singh | 6-2,7-5 |
| ITF M25 Monastir | 2023/02/13 12:00 | Darrshan Suresh v Karan Singh | 7-6,2-6,5-10 |
| ITF M25 Monastir | 2023/02/12 10:30 | Isaac Nortey v Karan Singh | 5-7,3-6 |
| ITF M15 Monastir | 2023/02/06 10:50 | Karan Singh v Mikail Alimli | 4-6,4-6 |
| ITF M15 Jakarta | 2023/01/26 03:50 | Karan Singh v Fitriadi M Rifqi | 2-6,4-6 |
| ITF M15 Jakarta | 2023/01/24 03:30 | Gunawan Trismuwantara v Karan Singh | 2-6,3-6 |
| ITF M15 Jakarta | 2023/01/18 04:20 | Sidharth Rawat v Karan Singh | 3-6,7-6,7-6 |
| UTR Pro Tennis Series Madurai | 2022/12/22 11:15 | Karan Singh v Irfan Hussain | 1-6,6-4,3-6 |
| ITF M15 Uberlingen | 2022/08/17 15:00 | Adam Jurajda v Mischa Zverev | 4-6,1-6 |
| ITF M25 Wetzlar | 2022/08/02 15:50 | Mischa Zverev v Raphael Collignon | 4-6,0-6 |
| ITF M25 Prague | 2022/05/12 09:35 | Martin Damm v Mischa Zverev | 6-0,4-6,6-3 |
| ITF M25 Prague | 2022/05/10 11:00 | Mischa Zverev v Vaclav Safranek | 6-4,1-6,6-2 |
| Challenger Sanremo | 2022/04/03 12:55 | Mischa Zverev v Titouan Droguet | 3-6,2-6 |
| Challenger Eckental | 2021/11/01 10:00 | Mischa Zverev v Christopher Heyman | 3-6,6-3,2-6 |
| Challenger Eckental | 2021/10/31 11:30 | Mischa Zverev v Alen Mujakic | 6-2,6-1 |
| Challenger Ismaning | 2021/10/25 11:25 | Mischa Zverev v Julian Lenz | 5-7,6-7 |