Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| Challenger Izmir | 2016/09/23 13:30 | Lukas Lacko v Cem Ilkel | 4-6,3-6 |
| Challenger Gwangju | 2019/05/15 03:40 | Max Purcell v Cem Ilkel | 1-6,7-6,5-7 |
| Challenger Gwangju | 2019/05/13 03:55 | Cem Ilkel v Kevin King | 7-5,6-2 |
| Challenger Busan | 2019/05/09 04:40 | Tatsuma Ito v Cem Ilkel | 7-5,6-7,6-4 |
| Challenger Busan | 2019/05/08 06:20 | Cem Ilkel v Ramkumar Ramanathan | 6-1,7-6 |
| Challenger Busan | 2019/05/06 07:40 | Cem Ilkel v Ji Sung Nam | 6-4,7-6 |
| Challenger Seoul | 2019/04/29 03:55 | Cem Ilkel v Yasutaka Uchiyama | 3-6,6-1,3-6 |
| Challenger Taipei | 2019/04/09 13:50 | Cem Ilkel v Yuichi Sugita | 5-7,3-6 |
| Challenger Taipei | 2019/04/08 05:00 | Mukund Sasikumar v Cem Ilkel | 3-6,4-6 |
| Challenger Gwangju | 2019/05/15 02:00 | Yan Bai v Lukas Lacko | 6-7,4-6 |
| Challenger Busan | 2019/05/09 07:05 | Lukas Lacko v Yasutaka Uchiyama | 6-3,4-6,0-6 |
| Challenger Busan | 2019/05/08 03:00 | Lukas Lacko v Luke Saville | 3-6,6-3,6-4 |
| Challenger Seoul | 2019/05/02 02:00 | Lukas Lacko v Tatsuma Ito | 4-6,1-6 |
| Challenger Seoul | 2019/05/01 02:00 | Lukas Lacko v Luke Saville | 6-3,6-4 |
| Challenger Taipei | 2019/04/11 03:00 | Lukas Lacko v Yuichi Sugita | 6-3,3-6,4-6 |
| Challenger Taipei | 2019/04/09 08:40 | Lukas Lacko v Marc-Andrea Huesler | 4-6,7-6,6-2 |
| ATP Miami | 2019/03/21 15:00 | Robin Haase v Lukas Lacko | 6-2,6-4 |