Stadium: Court 10 Round: 26 Ground: Clay
| ITF - M15 Shymkent | 2024/04/16 12:00 | Maksim Shin v Ruslan Kastsiukevich | 6-4,1-6,8-10 |
| ITF - M15 Shymkent | 2024/04/16 07:45 | Ruslan Kastsiukevich v Parth Aggarwal | 5-7,6-4,10-6 |
| ITF - M15 Antalya | 2024/03/03 07:00 | Andrea Fiorentini v Ruslan Kastsiukevich | 6-3,6-0 |
| ITF - M15 Kish Island | 2024/01/10 08:05 | Hazem Naw v Ruslan Kastsiukevich | 6-3,6-2 |
| ITF - M15 Kish Island | 2024/01/09 06:30 | Mohammad Mahbod v Ruslan Kastsiukevich | 4-6,2-6 |
| ITF - M15 Kish Island | 2024/01/04 08:55 | Ruslan Kastsiukevich v Denis Klok | 3-6,3-6 |
| ITF - M15 Kish Island | 2024/01/03 10:50 | Alexander Chepik v Ruslan Kastsiukevich | 5-7,2-6 |
| ITF - M15 Kish Island | 2024/01/02 06:30 | Sergo Sikharulidze v Ruslan Kastsiukevich | 1-6,6-7 |
| ITF - M15 Shymkent | 2024/04/16 13:40 | Vitaliy Zatsepin v Karan Singh | 0-6,7-6,6-7 |
| ITF - M15 Chandigarh | 2024/03/20 05:30 | Karan Singh v Mitsuki Wei Kang Leong | 6-7,2-6 |
| ITF - M25 New Delhi | 2024/03/17 08:25 | Karan Singh v Ramkumar Ramanathan | 2-6,2-6 |
| ITF - M25 New Delhi | 2024/03/16 05:30 | Evgeny Donskoy v Karan Singh | 3-6,4-6 |
| ITF - M25 New Delhi | 2024/03/15 05:30 | Karan Singh v Wishaya Trongcharoenchaikul | 6-1,6-4 |
| ITF - M25 New Delhi | 2024/03/14 04:00 | Karan Singh v Chirag Duhan | 6-2,6-3 |
| ITF - M25 New Delhi | 2024/03/12 06:55 | Mukund Sasikumar v Karan Singh | 6-7,1-6 |
| Challenger - New Delhi | 2024/02/26 10:40 | Karan Singh v Federico Gaio | 6-3,3-6,4-6 |