| Challenger - Maspalomas | 11/28 10:00 | 25 | [235] Alejandro Moro Canas v Sumit Nagal [140] | 0-6,2-6 | |
| Challenger - Valencia | 11/21 12:00 | 25 | [141] Sumit Nagal v Alejandro Moro Canas [249] | 4-6,3-6 | |
| Challenger - Helsinki | 11/12 11:00 | 29 | [173] Corentin Moutet v Sumit Nagal [169] | 6-3,3-6,6-2 | |
| Challenger - Helsinki | 11/11 14:40 | 28 | [211] Stefano Travaglia v Sumit Nagal [169] | 1-6,4-6 | |
| Challenger - Helsinki | 11/10 15:55 | 27 | [169] Sumit Nagal v Emil Ruusuvuori [69] | Retired | |
| Challenger - Helsinki | 11/08 13:00 | 26 | [154] Jakub Mensik v Sumit Nagal [169] | 5-7,2-6 | |
| Challenger - Helsinki | 11/07 12:35 | 25 | [164] Dennis Novak v Sumit Nagal [169] | 2-6,3-6 | |
| ATP - Basel | 10/21 16:05 | 14 | [160] Sumit Nagal v Dominik Koepfer [78] | 6-3,1-6,6-7 | |
| Challenger - Málaga | 10/10 10:15 | 25 | [157] Sumit Nagal v Ugo Blanchet [324] | Retired | |
| ATP - Shanghai | 10/02 08:55 | 14 | [161] Sumit Nagal v Luke Saville [300] | 3-6,2-6 | |
| Davis Cup | 09/17 09:05 | 4 | Sumit Nagal v Yassine Dlimi | 6-3,6-3 | |
| Davis Cup | 09/16 13:40 | 2 | Sumit Nagal v Adam Moundir | 6-3,6-3 | |
| Challenger - Tulln | 09/10 12:00 | 29 | [189] Sumit Nagal v Vit Kopriva [194] | 2-6,4-6 | |
| Challenger - Tulln | 09/09 12:35 | 28 | [189] Sumit Nagal v Flavio Cobolli [137] | 6-3,6-4 | |
| Challenger - Tulln | 09/08 12:50 | 27 | [88] Albert Ramos-Vinolas v Sumit Nagal [189] | 6-7,3-6 | |
| Challenger - Tulln | 09/07 13:40 | 26 | [189] Sumit Nagal v Vitaliy Sachko [165] | 7-6,3-6,6-3 | |
| Challenger - Tulln | 09/05 11:10 | 25 | [189] Sumit Nagal v Daniel Masur [406] | 6-1,6-2 | |
| Challenger - Como | 09/01 10:20 | 27 | [132] Pedro Martinez v Sumit Nagal [189] | 6-4,6-4 | |
| Challenger - Como | 08/31 10:00 | 26 | [189] Sumit Nagal v Zsombor Piros [112] | 6-3,6-4 | |
| Challenger - Como | 08/29 14:35 | 25 | [189] Sumit Nagal v Riccardo Bonadio [196] | 6-4,0-6,7-6 | |
| US Open | 08/22 15:00 | 14 | [95] Taro Daniel v Sumit Nagal [190] | 6-3,7-5 | |
| Challenger - Meerbusch | 08/10 09:00 | 26 | [183] Sumit Nagal v Benjamin Hassan [253] | 2-6,2-6 | |
| Challenger - Meerbusch | 08/08 11:25 | 25 | [183] Sumit Nagal v Santiago Rodriguez Taverna [270] | 6-3,6-3 | |
| Challenger - Liberec | 08/03 09:15 | 26 | [179] Sumit Nagal v Federico Agustin Gomez [254] | 4-6,2-6 | |
| Challenger - Liberec | 08/02 08:00 | 25 | [179] Sumit Nagal v Andrew Paulson [368] | 6-0,7-6 | |
| Challenger - Verona | 07/26 08:00 | 25 | [213] Federico Gaio v Sumit Nagal [178] | 6-7,6-3,6-2 | |
| Challenger - Tampere | 07/23 08:00 | 29 | [193] Dalibor Svrcina v Sumit Nagal [231] | 4-6,5-7 | |
| Challenger - Tampere | 07/22 08:00 | 28 | [276] Daniel Rincon v Sumit Nagal [231] | 6-4,3-6,2-6 | |
| Challenger - Tampere | 07/21 11:30 | 27 | [231] Sumit Nagal v Aziz Dougaz [241] | 6-3,6-3 | |
| Challenger - Tampere | 07/20 11:10 | 26 | [231] Sumit Nagal v Joao L R D Silva [283] | 6-3,6-7,7-6 |
Sumit Nagal (* 16. August 1997 in Jhajjar) ist ein indischer Tennisspieler.