Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Indore | 2021/11/09 05:40 | Karan Singh v Niki Kaliyanda Poonacha | 7-5,6-1 |
| ITF M15 Gurugram | 2021/11/23 03:30 | Karan Singh v Prithvi Sekhar | 5-7,6-3,10-5 |
| ITF M15 Gurugram | 2021/11/22 05:00 | Kunal Anand v Karan Singh | 4-6,3-6 |
| ITF M15 Gurugram | 2021/11/21 07:30 | Karan Singh v Neeraj Yashpaul | 6-3,6-2 |
| ITF M15 New Delhi | 2021/11/16 05:50 | Karan Singh v Dev Javia | 3-6,3-6 |
| ITF M15 Indore | 2021/11/11 04:00 | Bharath Nishok Kumaran v Karan Singh | 6-4,6-4 |
| ITF M15 Indore | 2021/11/09 05:40 | Karan Singh v Niki Kaliyanda Poonacha | 7-5,6-1 |
| ITF M15 Cairo | 2021/09/28 07:55 | Volodymyr Uzhylovskyi v Karan Singh | 6-3,7-5 |
| ITF M15 Cairo | 2021/09/27 08:00 | Lakshya Gupta v Karan Singh | 2-6,3-6 |
| ITF M15 New Delhi | 2021/11/19 04:25 | Niki Kaliyanda Poonacha v Sidharth Rawat | 1-6,2-6 |
| ITF M15 New Delhi | 2021/11/18 04:00 | Niki Kaliyanda Poonacha v Rishab Agarwal | 6-4,6-3 |
| ITF M15 New Delhi | 2021/11/17 05:20 | Niki Kaliyanda Poonacha v Chirag Duhan | 2-6,6-1,6-4 |
| ITF M15 Indore | 2021/11/09 05:40 | Karan Singh v Niki Kaliyanda Poonacha | 7-5,6-1 |
| ITF M15 Monastir | 2021/10/20 10:25 | Vivien Versier v Niki Kaliyanda Poonacha | 7-6,6-4 |
| ITF M15 Monastir | 2021/10/14 08:30 | Moerani Bouzige v Niki Kaliyanda Poonacha | 6-3,3-6,6-1 |
| ITF M15 Monastir | 2021/10/13 10:05 | Mathys Erhard v Niki Kaliyanda Poonacha | 4-6,2-6 |
| ITF M15 Monastir | 2021/10/07 10:30 | Niki Kaliyanda Poonacha v Guy Den Ouden | 0-6,3-6 |