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 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 St Brieuc | 2019/03/26 17:30 | Corentin Moutet v Cem Ilkel | 6-2,4-6,6-1 |
| Challenger St Brieuc | 2019/03/25 19:10 | Cem Ilkel v Andres Artunedo Martinavarr | 6-4,6-4 |
| Challenger Lille | 2019/03/18 10:35 | Rayane Roumane v Cem Ilkel | 6-3,6-2 |
| Challenger Pau | 2019/02/25 16:00 | Lucas Miedler v Cem Ilkel | 6-4,6-3 |
| Challenger Bergamo | 2019/02/20 18:00 | Cem Ilkel v Stefano Napolitano | 3-6,4-6 |
| Challenger Bergamo | 2019/02/19 09:00 | Cem Ilkel v Javier Barranco Cosano | 3-6,6-2,7-5 |
| 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 |
| ATP Miami | 2019/03/18 14:00 | Juan Ignacio Londero v Lukas Lacko | 4-6,1-6 |
| Challenger Phoenix | 2019/03/13 18:55 | Lukas Lacko v John Millman | 7-6,4-6,6-7 |
| Challenger Phoenix | 2019/03/12 21:45 | Yasutaka Uchiyama v Lukas Lacko | 7-5,4-6,2-6 |
| ATP Indian Wells | 2019/03/06 22:15 | Radu Albot v Lukas Lacko | 7-6,7-6 |
| ATP Indian Wells | 2019/03/06 00:30 | Lukas Lacko v Peter Polansky | 6-4,6-7,7-6 |