Stadium: Court Central Round: 28 Ground: Hardcourt indoor
| Challenger Izmir | 2016/09/23 13:30 | Lukas Lacko v Cem Ilkel | 4-6,3-6 |
| Challenger Quimper | 2020/01/31 19:25 | Mischa Zverev v Lukas Lacko | 7-6,2-6,4-6 |
| Challenger Quimper | 2020/01/30 13:40 | Roberto Ortega-Olmedo v Lukas Lacko | 2-6,2-6 |
| Challenger Quimper | 2020/01/29 18:45 | Andrea Arnaboldi v Lukas Lacko | 6-7,6-4,3-6 |
| Challenger Rennes | 2020/01/22 18:30 | Lukas Lacko v Antoine Escoffier | 5-7,2-6 |
| Australian Open | 2020/01/14 01:30 | Roberto Marcora v Lukas Lacko | 6-3,6-2 |
| Challenger Bratislava | 2019/11/06 20:15 | Lukas Lacko v Damir Dzumhur | 4-6,6-3,1-6 |
| Challenger Bratislava | 2019/11/05 18:10 | Lukas Lacko v Viktor Troicki | 7-5,7-6 |
| Challenger Eckental | 2019/11/01 14:20 | Lloyd Harris v Lukas Lacko | 6-7,6-3,6-3 |
| Challenger Quimper | 2020/01/31 15:35 | Vit Kopriva v Cem Ilkel | 2-6,7-6,1-6 |
| Challenger Quimper | 2020/01/30 19:00 | Constant Lestienne v Cem Ilkel | 6-4,5-7,3-6 |
| Challenger Quimper | 2020/01/27 19:50 | Viktor Durasovic v Cem Ilkel | 6-4,4-6,4-6 |
| Challenger Rennes | 2020/01/24 15:40 | Cem Ilkel v Arthur Rinderknech | 6-3,1-6,4-6 |
| Challenger Rennes | 2020/01/23 15:00 | Antoine Escoffier v Cem Ilkel | 3-6,6-2,3-6 |
| Challenger Rennes | 2020/01/22 16:35 | Alessandro Bega v Cem Ilkel | 4-6,2-6 |
| Challenger Bangkok | 2020/01/12 08:20 | Cem Ilkel v Andrea Arnaboldi | 6-3,4-6,5-7 |
| ATP Doha | 2020/01/08 13:40 | Marton Fucsovics v Cem Ilkel | 6-1,6-4 |