Stadium: Centrale Round: 25 Ground: Hardcourt outdoor
| Wimbledon | 2019/06/24 12:30 | Ramkumar Ramanathan v Lukas Lacko | 6-3,6-2 |
| Challenger Ilkley | 2019/06/19 17:15 | Lukas Lacko v Antoine Hoang | 3-6,5-7 |
| Challenger Ilkley | 2019/06/18 10:00 | Lukas Lacko v Adrian Menendez-Maceiras | 6-3,6-4 |
| ATP Hertogenbosch | 2019/06/08 09:00 | Jannik Sinner v Lukas Lacko | 6-7,7-6,6-2 |
| Challenger Surbiton | 2019/06/06 12:25 | Lukas Lacko v Matthew Ebden | 5-7,6-7 |
| Challenger Surbiton | 2019/06/04 11:25 | Peter Gojowczyk v Lukas Lacko | 6-7,6-7 |
| Challenger Surbiton | 2019/06/03 10:00 | Dustin Brown v Lukas Lacko | 3-6,2-6 |
| French Open | 2019/05/20 09:50 | Manuel Guinard v Lukas Lacko | 7-6,4-6,6-1 |
| Challenger Recanati | 2019/07/01 17:30 | Luca Vanni v Alen Avidzba | 6-7,4-6 |
| ITF M25 Montauban | 2019/06/26 07:00 | Maxime Chazal v Alen Avidzba | 6-1,1-6,6-3 |
| Challenger Parma | 2019/06/17 12:00 | Dimitar Kuzmanov v Alen Avidzba | 6-4,4-6,6-2 |
| ITF M25 Karlsruhe | 2019/06/05 13:15 | Markus Eriksson v Alen Avidzba | 6-7,6-0,2-6 |
| ITF M25 Vic | 2019/05/22 10:00 | Alen Avidzba v Alejandro Moro Canas | 6-4,3-6,6-7 |
| ITF M15 Casale Monferrato | 2019/05/18 14:20 | Alen Avidzba v Giovanni Fonio | 6-3,6-2 |
| ITF M15 Casale Monferrato | 2019/05/17 08:00 | Alen Avidzba v Mattia Frinzi | 6-1,6-1 |
| ITF M15 Casale Monferrato | 2019/05/16 11:35 | Alen Avidzba v Andrea Guerrieri | 6-1,7-5 |