| ITF Spain F20 | 07/24 16:05 | 25 | Lopez San Martin, Alvaro v Abhinav Sanjeev Shanmugam | 6-4,6-2 | |
| ITF Spain F19 | 07/16 14:00 | 25 | Shanmugam, Abhinav Sanjeev v Matos, Rafael | 1-6,1-6 | |
| Sri Lanka F3, Singles Qualifying | 06/28 04:00 | 27 | Shanmugam, Abhinav Sanjeev v Nitin Kumar Sinha | 4-6,4-6 | |
| Sri Lanka F3, Singles Qualifying | 06/27 04:00 | 26 | Shanmugam, Abhinav Sanjeev v Navasirisomboon, Jirat | 6-4,6-3 | |
| Sri Lanka F3, Singles Qualifying | 06/26 10:40 | 25 | Abhinav Sanjeev Shanmugam v Bajwa, Paramveer Singh | 6-3,6-1 | |
| Sri Lanka F3, Singles Qualifying | 06/26 06:30 | - | Shanmugam, Abhinav Sanjeev v Bajwa, Paramveer Singh | 6-3,5-1 | |
| ITF Sri Lanka F2 | 06/21 06:45 | 27 | Abhinav Sanjeev Shanmugam v Zhurbin, Alexander | 1-6,4-6 | |
| ITF Sri Lanka F2 | 06/20 04:00 | 26 | Abhinav Sanjeev Shanmugam v Arh, Anze | 6-3,6-2 | |
| ITF Sri Lanka F2 | 06/19 06:30 | 25 | Abhinav Sanjeev Shanmugam v S D Prajwal Dev | 7-6,6-1 | |
| Sri Lanka F1, Singles Qualifying | 06/14 07:30 | 27 | Jayaprakash, Mohit Mayur v Abhinav Sanjeev Shanmugam | 6-4,6-0 | |
| Sri Lanka F1, Singles Qualifying | 06/13 07:05 | 26 | Ranjeet Virali-Murugesan v Abhinav Sanjeev Shanmugam | 2-6,7-6,4-6 | |
| Sri Lanka F1, Singles Qualifying | 06/12 04:00 | 25 | Thangarajah, Dineshkanthan v Abhinav Sanjeev Shanmugam | 4-6,5-7 | |
| ITF Vietnam F3 | 05/17 03:00 | 27 | Nam, Ji Sung v Abhinav Sanjeev Shanmugam | 7-6,6-2 | |
| ITF Vietnam F3 | 05/16 06:45 | 26 | Abhinav Sanjeev Shanmugam v Tanuma, Ryota | 6-4,6-4 | |
| ITF Vietnam F3 | 05/14 04:35 | 25 | Seol, Jae-Min v Abhinav Sanjeev Shanmugam | 2-6,1-6 | |
| ITF Vietnam F2 | 05/07 03:00 | 25 | Kelsey Stevenson v Abhinav Sanjeev Shanmugam | 7-6,4-6,6-3 | |
| ITF Vietnam F1 | 04/30 05:00 | 25 | Abhinav Sanjeev Shanmugam v Halebian, Alexios | 3-6,7-5,2-6 | |
| ITF India F4 | 03/22 04:00 | 27 | Turini, Thales v Abhinav Sanjeev Shanmugam | 6-3,6-4 | |
| ITF India F4 | 03/21 03:30 | 26 | Abhinav Sanjeev Shanmugam v Nam Hoang Ly | 6-2,2-6,6-3 | |
| ITF India F4 | 03/19 04:00 | 25 | Abhinav Sanjeev Shanmugam v Singh, Dalwinder | 7-6,7-6 | |
| ITF India F2 | 03/06 06:15 | 25 | Goveas, Aryan v Abhinav Sanjeev Shanmugam | 1-6,6-2,6-3 | |
| ITF India F2 | 03/04 04:30 | 54 | Abhinav Sanjeev Shanmugam v Sunish, Dhruv | 6-4,6-1 | |
| ITF India F2 | 03/03 04:00 | 54 | Abhinav Sanjeev Shanmugam v Kosaraju, Siva Deep | 7-5,6-2 | |
| ITF India F1 | 02/25 05:30 | 54 | Abhinav Sanjeev Shanmugam v Cheruku, Vasisht | 4-6,3-6 | |
| ITF India F1 | 02/24 03:30 | 54 | Abhinav Sanjeev Shanmugam v Chilakalapudi, Tarun Anirudh | 6-2,6-3 | |
| Challenger - Chennai | 02/14 04:30 | 26 | Abhinav Sanjeev Shanmugam v Duckhee Lee | 2-6,4-6 | |
| Challenger - Chennai | 02/13 06:10 | 25 | Nedelko, Ivan v Abhinav Sanjeev Shanmugam | Retired | |
| Challenger Chennai Qual | 02/11 05:50 | 54 | Cacic, Nikola v Abhinav Sanjeev Shanmugam | Walkover | |
| Challenger Chennai Qual | 02/10 09:30 | 46 | Abhinav Sanjeev Shanmugam v Goveas, Aryan | Retired | |
| Challenger Chennai Qual | 02/10 04:30 | 45 | Hochwalt, Tyler v Abhinav Sanjeev Shanmugam | 4-6,6-4,4-6 |