| Challenger Rennes | 09/10 09:10 | 14 | Matteo Martineau v Nedunchezhiyan, Jeevan | 6-4,7-5 | |
| Challenger Tampere | 07/17 09:10 | 14 | [362] Clement Tabur v Nedunchezhiyan, Jeevan [137] | 6-0,6-3 | |
| Challenger Salinas | 04/03 15:00 | 14 | Naoki Nakagawa v Nedunchezhiyan, Jeevan | 6-4,6-3 | |
| Challenger Roseto | 03/06 09:00 | 14 | [299] Nikolas S Izquierdo v Nedunchezhiyan, Jeevan [184] | 7-6,6-0 | |
| Challenger Rennes | 09/12 10:40 | 14 | [233] Nedunchezhiyan, Jeevan v Dan Added [427] | 1-6,3-6 | |
| Challenger - Indian Wells - Qualif. | 02/24 22:50 | 45 | Nedunchezhiyan, Jeevan v Scholtz, Nicolaas | 3-6,2-6 | |
| Challenger Tashkent Qual | 10/07 10:40 | 45 | Uzhylovsky, Vladimir v Nedunchezhiyan, Jeevan | 6-1,6-7,6-1 | |
| ATP Atlanta Qual | 07/22 18:15 | 45 | Nedunchezhiyan, Jeevan v Smyczek, Tim | 6-7,3-6 | |
| Challenger Nottingham Qual | 06/10 13:50 | 45 | [94] Nedunchezhiyan, Jeevan v Falla, Alejandro [298] | 6-3,3-6,0-6 | |
| ATP Memphis Qual | 02/11 18:20 | 45 | Polansky, Peter v Nedunchezhiyan, Jeevan | 6-3,6-3 | |
| Challenger Nanchang Qual | 09/11 03:00 | 54 | Sekiguchi, Shuichi v Nedunchezhiyan, Jeevan | 6-4,6-2 | |
| Challenger Nanchang Qual | 09/10 08:25 | 46 | Qi, Xi v Nedunchezhiyan, Jeevan | 2-6,2-6 | |
| Challenger Shanghai Qual | 09/04 06:00 | 46 | Matija Pecotic v Nedunchezhiyan, Jeevan | 6-4,6-4 | |
| Challenger Zhuhai Qual | 03/07 02:00 | 54 | Kim, Cheong-Eui v Nedunchezhiyan, Jeevan | 6-4,6-4 | |
| Challenger Zhuhai Qual | 03/06 02:00 | 46 | Qi, Xi v Nedunchezhiyan, Jeevan | 2-6,3-6 | |
| Challenger Zhuhai Qual | 03/05 02:00 | 45 | Vervoort, Mark v Nedunchezhiyan, Jeevan | 4-6,4-6 | |
| Challenger Traralgon | 10/27 02:20 | 25 | Blake Mott v Nedunchezhiyan, Jeevan | Retired | |
| Challenger Kaohsiung Qual | 09/20 07:05 | 44 | Nedunchezhiyan, Jeevan v Suzuki, Takao | 2-6,5-7 | |
| ITF India F4 | 09/05 08:30 | 29 | Gunneswaran, Prajnesh v Nedunchezhiyan, Jeevan | 6-7,4-6 | |
| ITF India F4 | 09/04 03:30 | 28 | Sidharth Rawat v Nedunchezhiyan, Jeevan | 7-6,3-6,3-6 | |
| ITF India F4 | 09/03 03:30 | 27 | Jayaprakash, Mohit Mayur v Nedunchezhiyan, Jeevan | 3-6,4-6 | |
| ITF India F4 | 09/02 04:50 | 26 | S D Prajwal Dev v Nedunchezhiyan, Jeevan | 0-6,3-6 | |
| ITF India F4 | 08/27 04:00 | 27 | Nedunchezhiyan, Jeevan v Gunneswaran, Prajnesh | 5-7,6-3,6-7 | |
| ITF India F4 | 08/26 05:50 | 26 | Nedunchezhiyan, Jeevan v Niki Kaliyanda Poonacha | 6-2,6-2 | |
| ITF India F4 | 08/24 04:00 | 25 | Nedunchezhiyan, Jeevan v Pradhan, Chinmay | 6-0,6-3 | |
| ITF Turkey F32 | 08/13 08:00 | 27 | Nedunchezhiyan, Jeevan v Benjamin Bonzi | 2-6,2-6 | |
| ITF Turkey F32 | 08/12 08:00 | 26 | Nedunchezhiyan, Jeevan v Elia, Alon | 7-6,6-3 | |
| Challenger Segovia Qual | 08/02 10:00 | 44 | Mektic, Nikola v Nedunchezhiyan, Jeevan | 6-3,6-4 | |
| ITF India F9 | 07/03 04:30 | - | Vishnu Vardhan v Nedunchezhiyan, Jeevan | 7-6,5-7,6-4 | |
| ITF India F9 | 07/02 06:20 | - | Jayaprakash, Mohit Mayur v Nedunchezhiyan, Jeevan | 4-6,0-6 |