Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| Australian Open | 2019/01/08 02:55 | Gregoire Barrere v Duckhee Lee | 6-3,6-2 |
| Challenger Noumea | 2019/01/01 01:25 | Duckhee Lee v Hugo Nys | 6-4,4-6,2-6 |
| Australian Open - Wild card | 2018/12/01 05:50 | Duckhee Lee v Zhe Li | 6-7,3-6 |
| Australian Open - Wild card | 2018/11/30 06:30 | Duckhee Lee v Renta Tokuda | 6-4,6-4 |
| Australian Open - Wild card | 2018/11/29 04:40 | Duckhee Lee v Hanyi Liu | 6-1,6-2 |
| Challenger Liuzhou | 2018/10/24 06:00 | Radu Albot v Duckhee Lee | 6-2,7-5 |
| Challenger Liuzhou | 2018/10/22 04:15 | Duckhee Lee v Tsung-Hua Yang | 6-2,6-3 |
| Challenger Tashkent | 2018/10/08 14:10 | Evgeny Karlovskiy v Duckhee Lee | 7-6,6-4 |
| Challenger Chennai | 2019/02/04 09:15 | David Perez Sanz v Sumit Nagal | 3-6,2-6 |
| Challenger Koblenz | 2019/01/14 14:20 | Roman Safiullin v Sumit Nagal | 6-2,6-1 |
| Challenger Da Nang | 2019/01/09 05:00 | Tsung-Hua Yang v Sumit Nagal | 2-6,6-1,6-0 |
| Challenger Da Nang | 2019/01/08 05:00 | N.Sriram Balaji v Sumit Nagal | 6-7,6-7 |
| Challenger Pune | 2018/11/20 05:30 | Radu Albot v Sumit Nagal | 7-5,6-2 |
| Challenger Bangalore | 2018/11/15 09:30 | Saketh Myneni v Sumit Nagal | 6-4,6-4 |
| Challenger Bangalore | 2018/11/14 08:50 | James Ward v Sumit Nagal | 3-6,6-7 |
| Challenger Bangalore | 2018/11/12 09:40 | Sumit Nagal v Jay Clarke | 6-4,7-5 |