Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| Challenger - Yokohama | 2018/02/27 02:20 | Duckhee Lee v Tim Puetz | 4-6,6-4,6-3 |
| Challenger - Chennai | 2018/02/16 05:30 | Duckhee Lee v Yuki Bhambri | 5-7,2-6 |
| Challenger - Chennai | 2018/02/15 05:30 | Antoine Escoffier v Duckhee Lee | 2-6,6-3,3-6 |
| Challenger - Chennai | 2018/02/14 04:30 | Abhinav Sanjeev Shanmugam v Duckhee Lee | 2-6,4-6 |
| Challenger - Chennai | 2018/02/12 07:00 | N. Vijay Sundar Prashanth v Duckhee Lee | 3-6,4-6 |
| ITF China F3 | 2018/01/23 05:45 | Duckhee Lee v Huixin Wang | 1-6,3-6 |
| Australian Open Qual | 2018/01/14 00:45 | Ruben Bemelmans v Duckhee Lee | 6-4,6-4 |
| Australian Open Qual | 2018/01/13 01:30 | Duckhee Lee v Frank Dancevic | 4-6,7-6,6-3 |
| Challenger - Yokohama | 2018/02/27 01:00 | Blake Ellis v Cem Ilkel | 3-6,4-6 |
| Challenger Kyoto | 2018/02/20 03:45 | Cem Ilkel v Tim Puetz | 3-6,2-6 |
| Challenger - Chennai | 2018/02/14 05:30 | Yasutaka Uchiyama v Cem Ilkel | 6-4,7-5 |
| Challenger - Chennai | 2018/02/13 06:20 | Cem Ilkel v Dmitry Popko | 4-6,7-6,6-2 |
| Cupa Davis | 2018/02/03 10:20 | Takanyi Garanganga v Cem Ilkel | 6-4,7-5 |
| Australian Open Qual | 2018/01/10 05:05 | Salvatore Caruso v Cem Ilkel | 6-2,6-4 |
| Challenger Bangkok Qual | 2018/01/01 04:00 | Cem Ilkel v Evgeny Karlovskiy | 6-3,6-7,3-6 |
| Challenger Bangkok Qual | 2017/12/31 03:00 | Cem Ilkel v Kasidit Samrej | 6-4,6-4 |