Stadium: Centre Court Round: 26 Ground: Hardcourt indoor
| French Open Qual | 2018/05/21 08:00 | Martin Klizan v Sumit Nagal | 4-6,6-4,6-1 |
| Challenger Bratislava | 2019/06/19 16:00 | Martin Klizan v Lucas Gerch | 6-4,7-5 |
| French Open | 2019/06/01 15:15 | Karen Khachanov v Martin Klizan | 6-1,6-4,6-3 |
| French Open | 2019/05/30 15:55 | Martin Klizan v Lucas Pouille | 7-6,2-6,6-3,3-6,9-7 |
| French Open | 2019/05/28 12:35 | Martin Klizan v Mikhail Kukushkin | 3-6,5-7,6-4,6-2,6-3 |
| ATP Rome | 2019/05/11 16:45 | Filippo Baldi v Martin Klizan | 6-3,6-1 |
| ATP Madrid | 2019/05/06 14:10 | Marin Cilic v Martin Klizan | 6-4,2-6,7-6 |
| ATP Madrid | 2019/05/05 14:35 | Adrian Mannarino v Martin Klizan | 3-6,2-6 |
| ATP Madrid | 2019/05/04 16:55 | Ernests Gulbis v Martin Klizan | 4-6,6-7 |
| Challenger Bratislava | 2019/06/19 11:40 | Gerard Granollers-Pujol v Sumit Nagal | 3-6,1-6 |
| Challenger Lyon | 2019/06/15 10:15 | Sumit Nagal v Elias Ymer | 1-6,1-6 |
| Challenger Lyon | 2019/06/14 12:00 | Albert Ramos-Vinolas v Sumit Nagal | 5-7,6-7 |
| Challenger Lyon | 2019/06/13 09:55 | Uladzimir Ignatik v Sumit Nagal | 1-6,6-3,3-6 |
| Challenger Lyon | 2019/06/12 08:00 | Sumit Nagal v Quentin Halys | 6-3,6-2 |
| Challenger Lyon | 2019/06/10 12:25 | Sumit Nagal v Hugo Nys | 6-4,6-2 |
| Challenger Poznan | 2019/06/05 12:20 | Alessandro Giannessi v Sumit Nagal | 7-5,3-6,6-3 |
| Challenger Poznan | 2019/06/04 08:00 | Constant Lestienne v Sumit Nagal | 3-6,7-5,3-6 |