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