| Challenger - Tampere | 07/19 10:55 | 25 | [231] Sumit Nagal v Jiri Vesely [455] | 6-4,6-1 | |
| Challenger - Salzburg | 07/10 13:00 | 25 | [225] Sumit Nagal v Lukas Neumayer [269] | 4-6,6-7 | |
| Challenger - Posen | 06/21 11:20 | 26 | [117] Facundo D Acosta v Sumit Nagal [226] | 6-1,2-6,6-4 | |
| Challenger - Posen | 06/20 11:15 | 25 | [226] Sumit Nagal v Leo Borg [474] | 6-2,6-3 | |
| Challenger - Bratislava | 06/12 15:30 | 25 | [123] Zsombor Piros v Sumit Nagal [227] | 6-2,7-5 | |
| Challenger - Troisdorf | 06/03 12:30 | 28 | [254] Sumit Nagal v Frederico Ferreira Silva [230] | 2-6,6-3,4-6 | |
| Challenger - Troisdorf | 06/02 10:30 | 27 | [185] Oleksii Krutykh v Sumit Nagal [254] | 1-6,6-1,4-6 | |
| Challenger - Troisdorf | 06/01 15:30 | 26 | Sumit Nagal v Jan Choinski | Walkover | |
| Challenger - Troisdorf | 05/30 12:45 | 25 | [208] Dimitar Kuzmanov v Sumit Nagal [254] | 3-6,6-1,5-7 | |
| Challenger - Troisdorf | 05/29 08:30 | 19 | [254] Sumit Nagal v Robert Strombachs [411] | 1-6,6-7 | |
| Challenger - Troisdorf | 05/28 10:05 | 14 | [254] Sumit Nagal v Sergey Fomin [367] | 6-1,6-1 | |
| Challenger - Skopje | 05/25 08:00 | 26 | [283] Mate Valkusz v Sumit Nagal [256] | 7-5,0-6,6-2 | |
| Challenger - Skopje | 05/23 11:00 | 25 | [256] Sumit Nagal v Benjamin Hassan [277] | 6-1,6-3 | |
| Challenger - Skopje | 05/22 09:00 | 19 | [256] Sumit Nagal v Bogdan Bobrov [395] | 6-0,6-2 | |
| Challenger - Skopje | 05/21 10:40 | 14 | [256] Sumit Nagal v Ramkumar Ramanathan [449] | 6-3,6-3 | |
| Challenger - Mauthausen | 05/08 10:05 | 19 | Mirza Basic v Sumit Nagal | 4-6,6-1,6-2 | |
| Challenger - Mauthausen | 05/07 12:35 | 14 | [473] Mats Moraing v Sumit Nagal [347] | 0-6,6-4,4-6 | |
| Challenger - Rom | 04/30 09:30 | 29 | [347] Sumit Nagal v Jesper De Jong [234] | 6-3,6-2 | |
| Challenger - Rom | 04/29 10:30 | 28 | [198] Joris De Loore v Sumit Nagal [347] | 6-2,5-7,4-6 | |
| Challenger - Rom | 04/28 09:30 | 27 | [347] Sumit Nagal v Max Houkes [303] | 7-5,6-0 | |
| Challenger - Rom | 04/27 09:00 | 26 | [347] Sumit Nagal v Fausto Tabacco [495] | 6-3,6-0 | |
| Challenger - Rom | 04/25 09:35 | 25 | [172] Francesco Maestrelli v Sumit Nagal [347] | 2-6,4-6 | |
| Challenger - Rom | 04/24 10:25 | 19 | [302] Viktor Durasovic v Sumit Nagal [347] | 5-7,7-5,2-6 | |
| Challenger - Rom | 04/23 10:15 | 14 | [442] Jacopo Berrettini v Sumit Nagal [366] | 4-6,1-6 | |
| Challenger - Roseto | 04/20 11:15 | 26 | [219] Nicholas D Ionel v Sumit Nagal [366] | 7-5,7-6 | |
| Challenger - Roseto | 04/19 11:15 | 25 | [442] Jacopo Berrettini v Sumit Nagal [366] | 3-6,0-6 | |
| Challenger - Roseto | 04/18 12:00 | 19 | Sumit Nagal v Riccardo Balzerani | 6-3,6-3 | |
| Challenger - Roseto | 04/16 09:40 | 14 | Sumit Nagal v Giorgio Ricca | 6-1,6-2 | |
| Challenger - Split | 04/09 13:25 | 14 | [157] Elias Ymer v Sumit Nagal [372] | 6-2,6-4 | |
| Challenger - Barletta | 04/02 11:40 | 14 | [500] Gabriele Piraino v Sumit Nagal [374] | 6-2,6-4 |
Sumit Nagal (* 16. August 1997 in Jhajjar) ist ein indischer Tennisspieler.