Estadio: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Mumbai | 2022/11/15 04:30 | Nitin Kumar Sinha v Karan Singh | 2-6,7-5,6-7 |
| ITF M15 Teherán | 2023/06/15 06:30 | Grigoriy Lomakin v Karan Singh | 6-2,7-6 |
| ITF M15 Teherán | 2023/06/14 08:15 | Luca Fantini v Karan Singh | 6-2,6-7,3-6 |
| ITF M15 Teherán | 2023/06/10 09:30 | Lorenzo Bocchi v Karan Singh | 6-2,6-3 |
| ITF M15 Teherán | 2023/06/09 06:50 | Gabriele Pennaforti v Karan Singh | 5-7,4-6 |
| ITF M15 Teherán | 2023/06/08 06:00 | Karan Singh v Egor Agafonov | 7-6,2-6,6-1 |
| ITF M15 Teherán | 2023/06/07 06:20 | Yunes Talavar v Karan Singh | 3-6,0-6 |
| ITF M15 Adís Abeba | 2023/05/26 08:30 | Karan Singh v Eric Vanshelboim | 2-6,6-4,3-6 |
| ITF M15 Adís Abeba | 2023/05/25 06:00 | Karan Singh v Samir Hamza Reguig | 6-3,6-3 |
| ITF M15 Yakarta | 2023/06/15 02:00 | Yuta Kawahashi v Nitin Kumar Sinha | 2-6,6-2,6-1 |
| ITF M15 Yakarta | 2023/06/13 02:35 | Tomislav E Papac v Nitin Kumar Sinha | 4-6,2-6 |
| ITF M25 Jakarta | 2023/06/06 03:40 | Nitin Kumar Sinha v Lorenzo Lorusso | 3-6,3-6 |
| ITF M15 Nakhon Si Thammarat | 2023/06/02 02:00 | Nitin Kumar Sinha v Philip Sekulic | 6-7,4-6 |
| ITF M15 Nakhon Si Thammarat | 2023/06/01 03:45 | Nitin Kumar Sinha v Krittin Koaykul | 7-5,7-5 |
| ITF M15 Adís Abeba | 2023/05/26 07:00 | Nitin Kumar Sinha v S D Prajwal Dev | 2-6,6-7 |
| ITF M15 Adís Abeba | 2023/05/23 08:00 | Yabets Kebede v Nitin Kumar Sinha | 0-6,3-6 |
| ITF M15 Adís Abeba | 2023/05/18 05:30 | Nitin Kumar Sinha v Nicolas Villalon | 6-3,3-6,6-7 |