Stadium: Centre Court Round: 25 Ground: Clay
| Genoa, Italy | 2019/09/02 09:20 | Sumit Nagal v Giulio Zeppieri | 1-6,5-7 |
| US Open, New York, USA | 2019/08/27 01:00 | Federer, Roger v Sumit Nagal | 4-6,6-1,6-2,6-4 |
| US Open, New York, USA | 2019/08/23 18:20 | Joao Menezes v Sumit Nagal | 7-5,4-6,3-6 |
| US Open, New York, USA | 2019/08/22 15:00 | Polansky, Peter v Sumit Nagal | 5-7,6-7 |
| US Open, New York, USA | 2019/08/20 19:40 | Sumit Nagal v Tatsuma Ito | 7-6,6-2 |
| Hamburg, Germany | 2019/07/23 10:50 | Sumit Nagal v Richard Gasquet | 2-6,6-7 |
| Hamburg, Germany | 2019/07/21 10:00 | Alejandro Davidovich Fokina v Sumit Nagal | 3-6,5-7 |
| Hamburg, Germany | 2019/07/20 09:30 | Sumit Nagal v Sebastian Ofner | 7-5,6-2 |
| Challenger Banja Luka | 2019/09/10 08:00 | Nedelko, Ivan v Zukas, Matias | 6-1,7-5 |
| Jinan, China | 2019/09/04 07:05 | Nedelko, Ivan v Li, Zhe | 6-7,6-7 |
| Jinan, China | 2019/09/03 04:45 | Nedelko, Ivan v Nam, Ji Sung | 4-6,7-5,6-3 |
| Baotou, Chine | 2019/08/27 08:50 | Nedelko, Ivan v Chun Hsin Tseng | 3-6,3-6 |
| Baotou, Chine | 2019/08/26 02:00 | Chung, Hong v Nedelko, Ivan | 2-6,3-6 |
| Challenger Meerbusch | 2019/08/12 10:35 | Satral, Jan v Nedelko, Ivan | 7-6,7-6 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2019/08/10 09:00 | Nedelko, Ivan v Podzus, Martins | 3-6,7-6,3-6 |
| Koszalin, Singles Qualifying M-ITF-POL-02A | 2019/08/09 08:00 | Nedelko, Ivan v Matuszewski, Piotr | 7-6,7-5 |