Stadium: Center Court Round: 26 Ground: Carpet indoor
| Challenger Ismaning | 2019/10/16 14:35 | Lukáš Lacko v Vitaliy Sachko | 7-5,2-6,6-3 |
| US Open | 2019/08/23 15:00 | Tobias Kamke v Lukáš Lacko | 7-5,6-3 |
| US Open | 2019/08/21 16:30 | Nicola Kuhn v Lukáš Lacko | 4-6,6-7 |
| US Open | 2019/08/19 19:50 | Lukáš Lacko v Yannick Maden | 6-4,6-3 |
| Challenger Vancouver | 2019/08/12 21:00 | Tim Van Rijthoven v Lukáš Lacko | 6-7,6-4,6-1 |
| Challenger Aptos | 2019/08/08 19:35 | Damir Dzumhur v Lukáš Lacko | 6-7,6-3,7-6 |
| Challenger Aptos | 2019/08/07 17:00 | Lukáš Lacko v Christopher Eubanks | 7-6,7-6 |
| Challenger Aptos | 2019/08/05 20:20 | Donald Young v Lukáš Lacko | 4-6,2-6 |
| Challenger Ismaning | 2019/10/16 16:35 | Geoffrey Blancaneaux v Filippo Baldi | 6-4,3-6,1-6 |
| Challenger Barcelona | 2019/10/04 10:30 | Alessandro Giannessi v Filippo Baldi | 5-7,6-0,6-1 |
| Challenger Barcelona | 2019/10/03 13:45 | Filippo Baldi v Jaume Pla Malfeito | 6-4,6-1 |
| Challenger Barcelona | 2019/10/01 09:25 | Filippo Baldi v Sandro Ehrat | 6-3,6-3 |
| Challenger Biella | 2019/09/17 13:35 | Peter Heller v Filippo Baldi | 3-6,6-4,7-5 |
| Challenger Banja Luka | 2019/09/11 09:40 | Zdeněk Kolář v Filippo Baldi | 6-4,6-2 |
| Challenger Janov | 2019/09/05 10:00 | Guido Andreozzi v Filippo Baldi | 6-3,7-5 |
| Challenger Janov | 2019/09/04 11:35 | Filippo Baldi v Roberto Carballes Baena | 7-6,1-6,6-1 |