Stadium: Court 15 Round: 44 Ground: Hardcourt outdoor
| ATP Halle Qual | 2018/06/17 09:00 | Yannick Maden v Lukas Lacko | 2-6,3-6 |
| Challenger Vancouver | 2019/08/12 21:00 | Tim Van Rijthoven v Lukas Lacko | 6-7,6-4,6-1 |
| Challenger Aptos | 2019/08/08 19:35 | Damir Dzumhur v Lukas Lacko | 6-7,6-3,7-6 |
| Challenger Aptos | 2019/08/07 17:00 | Lukas Lacko v Christopher Eubanks | 7-6,7-6 |
| Challenger Aptos | 2019/08/05 20:20 | Donald Young v Lukas Lacko | 4-6,2-6 |
| ATP Los Cabos | 2019/07/28 01:25 | Jacob Grills v Lukas Lacko | 6-3,6-2 |
| Challenger Recanati | 2019/07/06 19:30 | Lukas Lacko v Egor Gerasimov | 3-6,6-1,3-6 |
| Challenger Recanati | 2019/07/05 19:05 | Lukas Lacko v Viktor Galovic | 7-5,6-3 |
| Challenger Recanati | 2019/07/04 09:15 | Lukas Lacko v Emilio Gomez | 7-6,4-6,6-3 |
| Wimbledon | 2019/06/24 14:55 | Yannick Maden v Hiroki Moriya | 6-4,3-6,4-6 |
| Challenger Ilkley | 2019/06/19 15:40 | Yannick Maden v Dominik Koepfer | 2-6,4-6 |
| Challenger Nottingham | 2019/06/14 15:30 | Yannick Maden v Ruben Bemelmans | 6-4,3-6,4-6 |
| Challenger Nottingham | 2019/06/12 17:10 | Yannick Maden v Yuichi Sugita | 6-1,6-3 |
| French Open | 2019/05/29 10:20 | Yannick Maden v Rafael Nadal | 1-6,2-6,4-6 |
| French Open | 2019/05/27 10:20 | Yannick Maden v Kimmer Coppejans | 7-6,7-5,6-3 |
| French Open | 2019/05/23 14:50 | Yannick Maden v Alejandro Davidovich Fokina | 6-3,3-6,6-1 |
| French Open | 2019/05/22 09:20 | Yannick Maden v Mikael Torpegaard | 6-4,4-6,6-2 |