| Challenger - Como | 08/31 13:00 | 25 | [164] Sumit Nagal v Andrey Kuznetsov [280] | 4-6,6-7 | |
| US Open | 08/24 16:30 | 14 | [165] Sumit Nagal v Juan Pablo Ficovich [246] | 5-7,6-4,3-6 | |
| Challenger - Meerbusch | 08/09 11:05 | 25 | [197] Marcelo T B Vera v Sumit Nagal [159] | 7-5,4-6,6-3 | |
| Challenger - Liberec | 08/02 15:30 | 25 | [211] Maximilian Marterer v Sumit Nagal [159] | 6-4,6-3 | |
| Olympische Spiele 2020 - Herren | 07/26 05:00 | 25 | [160] Sumit Nagal v Daniil Medvedev [2] | 2-6,1-6 | |
| Olympische Spiele 2020 - Herren | 07/24 03:20 | 24 | [160] Sumit Nagal v Denis Istomin [197] | 6-4,6-7,6-4 | |
| ATP - Hamburg | 07/13 09:00 | 25 | [130] Juan Pablo Varillas v Sumit Nagal [154] | 6-0,6-4 | |
| ATP - Hamburg | 07/11 09:00 | 19 | [175] Zhizhen Zhang v Sumit Nagal [150] | 6-4,6-2 | |
| ATP - Hamburg | 07/10 10:40 | 14 | Lewie Lane v Sumit Nagal | 3-6,1-6 | |
| Challenger - Braunschweig | 07/07 09:30 | 26 | Sumit Nagal v Marvin Moeller | 3-6,6-1,2-6 | |
| Challenger - Braunschweig | 07/05 15:50 | 25 | [150] Sumit Nagal v Mohamed Safwat [170] | 6-3,7-6 | |
| Challenger - Aix-en-Provence | 06/15 08:30 | 25 | [252] Tristan Lamasine v Sumit Nagal [144] | 4-6,7-6,6-1 | |
| Challenger - Lyon | 06/08 12:05 | 25 | [143] Sumit Nagal v Fernando Verdasco [99] | 7-6,6-7,5-7 | |
| French Open | 05/26 17:15 | 15 | [166] Alejandro Tabilo v Sumit Nagal [143] | 6-3,6-3 | |
| French Open | 05/25 17:30 | 14 | [192] Roberto Marcora v Sumit Nagal [143] | 3-6,3-6 | |
| Challenger - Heilbronn | 05/13 10:00 | 27 | [139] Bernabe Zapata Miralles v Sumit Nagal [140] | 6-3,6-1 | |
| Challenger - Heilbronn | 05/12 08:30 | 26 | [131] Antoine Hoang v Sumit Nagal [140] | 6-1,1-6,4-6 | |
| Challenger - Heilbronn | 05/10 13:20 | 25 | [140] Sumit Nagal v Denis Kudla [118] | 7-5,1-6,6-1 | |
| Challenger - Prag | 05/07 13:00 | 27 | [89] Norbert Gombos v Sumit Nagal [140] | 6-4,6-2 | |
| Challenger - Prag | 05/06 10:00 | 26 | [213] Sergiy Stakhovsky v Sumit Nagal [140] | 6-4,1-6,4-6 | |
| Challenger - Prag | 05/04 10:25 | 25 | [225] Zdenek Kolar v Sumit Nagal [140] | 2-6,4-6 | |
| ATP - München | 04/24 12:15 | 14 | [93] Norbert Gombos v Sumit Nagal [135] | 6-4,6-7,6-1 | |
| ATP - Barcelona | 04/19 11:25 | 24 | [135] Sumit Nagal v Pierre-Hugues Herbert [78] | 5-7,0-6 | |
| ATP - Barcelona | 04/18 10:25 | 19 | [171] Thomas Fabbiano v Sumit Nagal [135] | 6-7,3-6 | |
| ATP - Barcelona | 04/17 13:25 | 14 | [164] Illya Marchenko v Sumit Nagal [135] | 6-3,2-6,5-7 | |
| ATP - Monte Carlo | 04/10 11:00 | 14 | [69] Stefano Travaglia v Sumit Nagal [136] | 6-3,6-0 | |
| ATP - Cagliari | 04/06 12:55 | 25 | [136] Sumit Nagal v Jozef Kovalik [128] | 6-3,1-6,3-6 | |
| ATP - Cagliari | 04/05 09:00 | 19 | [136] Sumit Nagal v Maxime Janvier [219] | 6-2,6-1 | |
| ATP - Cagliari | 04/04 08:00 | 14 | [139] Sumit Nagal v Andrea Pellegrino [283] | 6-3,6-4 | |
| Challenger - Zadar | 03/26 09:00 | 27 | [381] Nerman Fatic v Sumit Nagal [139] | 5-7,6-3,7-5 |
Sumit Nagal (* 16. August 1997 in Jhajjar) ist ein indischer Tennisspieler.