Stadium: Centrale Round: 27 Ground: Hardcourt outdoor
| ATP Stockholm Qual | 2017/10/15 11:15 | Lacko, Lukas v Galovic, Viktor | 6-4,6-3 |
| Challenger Recanati | 2019/07/04 09:15 | Lacko, Lukas v Emilio Gomez | 7-6,4-6,6-3 |
| Challenger Recanati | 2019/07/03 14:35 | Lacko, Lukas v Avidzba, Alen | 6-2,6-4 |
| Wimbledon, London, Great Britain | 2019/06/24 12:30 | Ramkumar Ramanathan v Lacko, Lukas | 6-3,6-2 |
| Ilkley, Great Britain | 2019/06/19 17:15 | Lacko, Lukas v Antoine Hoang | 3-6,5-7 |
| Ilkley, Great Britain | 2019/06/18 10:00 | Lacko, Lukas v Menendez-Maceiras, Adrian | 6-3,6-4 |
| ATP - Bois-le-Duc | 2019/06/08 09:00 | Jannik Sinner v Lacko, Lukas | 6-7,7-6,6-2 |
| Challenger - Surbiton | 2019/06/06 12:25 | Lacko, Lukas v Ebden, Matthew | 5-7,6-7 |
| Challenger - Surbiton | 2019/06/04 11:25 | Gojowczyk, Peter v Lacko, Lukas | 6-7,6-7 |
| Challenger Recanati | 2019/07/04 17:00 | Galovic, Viktor v Stakhovsky, Sergiy | 5-7,6-3,6-3 |
| Challenger Recanati | 2019/07/03 10:30 | Galovic, Viktor v Pavel Kotov | 7-6,6-4 |
| Wimbledon, London, Great Britain | 2019/06/27 10:00 | Marcos Giron v Galovic, Viktor | 7-5,6-2,2-6,6-4 |
| Wimbledon, London, Great Britain | 2019/06/26 12:25 | James Duckworth v Galovic, Viktor | 6-3,3-6,9-11 |
| Wimbledon, London, Great Britain | 2019/06/24 12:20 | Galovic, Viktor v Facundo Bagnis | 7-6,7-6 |
| Ilkley, Great Britain | 2019/06/18 14:20 | Soeda, Go v Galovic, Viktor | 7-6,7-6 |
| Ilkley, Great Britain | 2019/06/17 11:00 | Galovic, Viktor v Watson, Andrew | 6-4,6-4 |
| ATP - Stuttgart | 2019/06/11 12:25 | Denis Kudla v Galovic, Viktor | 6-3,6-2 |