Stadium: Centre Court Round: 26 Ground: Hardcourt outdoor
| Challenger Banja Luka | 2019/09/11 08:00 | Sumit Nagal v Nedelko, Ivan | 6-3,7-6 |
| Challenger - Pune | 2019/11/13 09:15 | Nedelko, Ivan v Sunish, Dhruv | 6-3,5-7,6-2 |
| Shenzhen II, Chine | 2019/10/29 04:25 | Nedelko, Ivan v Mohamed Safwat | 6-7,1-6 |
| Shenzhen II, Chine | 2019/10/28 03:45 | Doumbia, Sadio v Nedelko, Ivan | 3-6,3-6 |
| Ningbo, China | 2019/10/14 03:15 | Nedelko, Ivan v Max Purcell | 3-6,2-6 |
| Challenger - Barcelone | 2019/10/02 09:00 | Nedelko, Ivan v Alessandro Giannessi | 1-6,4-6 |
| Challenger - Barcelone | 2019/10/01 09:25 | Granollers, Gerard v Nedelko, Ivan | 6-3,3-6,2-6 |
| ITF - M15 Antalya | 2019/09/27 09:30 | Nedelko, Ivan v Luka Pavlovic | 6-3,0-6,4-6 |
| ITF - M15 Antalya | 2019/09/26 12:30 | Nedelko, Ivan v Urbanija, Mike | 6-1,6-4 |
| Challenger - Pune | 2019/11/13 09:15 | Goveas, Aryan v Sumit Nagal | 3-6,6-7 |
| Challenger Lima | 2019/10/22 20:40 | Orlando Luz v Sumit Nagal | 6-1,6-4 |
| Challenger Campinas | 2019/10/05 16:25 | Sumit Nagal v Juan Pablo Ficovich | 4-6,1-6 |
| Challenger Campinas | 2019/10/04 15:00 | Francisco Cerundolo v Sumit Nagal | 6-7,5-7 |
| Challenger Campinas | 2019/10/03 16:15 | Orlando Luz v Sumit Nagal | 5-7,3-6 |
| Challenger - Buenos Aires | 2019/09/29 16:00 | Facundo Bagnis v Sumit Nagal | 4-6,2-6 |
| Challenger - Buenos Aires | 2019/09/28 14:00 | Thiago Monteiro v Sumit Nagal | 0-6,1-6 |
| Challenger - Buenos Aires | 2019/09/27 17:55 | Sumit Nagal v Francisco Cerundolo | 6-3,4-6,6-4 |