Stadium: Louis Armstrong Stadium Round: 46 Ground: Hardcourt outdoor
| ATP - Miami | 2017/03/23 19:25 | Darian King v Lacko, Lukas | 7-6,6-4 |
| US Open, New York, USA, Qualifying | 2017/08/24 21:05 | Lacko, Lukas v Krajicek, Austin | 7-6,7-6 |
| US Open, New York, USA, Qualifying | 2017/08/23 17:40 | Lacko, Lukas v Grigelis, Laurynas | 6-3,6-4 |
| Washington, USA | 2017/08/02 03:00 | DEL POTRO J.M. v Lacko, Lukas | 7-5,6-2 |
| Washington, USA | 2017/07/31 21:45 | Halebian, Alexios v Lacko, Lukas | 3-6,4-6 |
| Atlanta, USA | 2017/07/28 18:10 | Lacko, Lukas v Isner, John | 5-7,4-6 |
| Atlanta, USA | 2017/07/26 21:20 | Young, Donald v Lacko, Lukas | 3-6,1-6 |
| Atlanta, USA | 2017/07/24 19:10 | Lacko, Lukas v Fabbiano, Thomas | 6-1,6-2 |
| Newport, USA | 2017/07/19 19:40 | Lacko, Lukas v Ebden, Matthew | 1-6,6-7 |
| US Open, New York, USA, Qualifying | 2017/08/24 21:05 | Darian King v Nicolas Jarry | 7-6,6-3 |
| US Open, New York, USA, Qualifying | 2017/08/23 16:55 | Darian King v Nguyen, Daniel | 6-2,6-1 |
| Challenger Aptos | 2017/08/09 18:00 | Darian King v Akira Santillan | 3-6,4-6 |
| Challenger Aptos | 2017/08/07 21:50 | Rungkat, Christopher v Darian King | 2-6,3-6 |
| Challenger Medellin | 2017/07/15 17:30 | Souza, Joao Olavo v Darian King | 6-3,6-4 |
| Challenger Medellin | 2017/07/14 17:00 | Quiroz, Roberto v Darian King | 6-7,6-4,3-6 |
| Challenger Medellin | 2017/07/13 16:00 | Galarza, Juan Ignacio v Darian King | 2-6,5-7 |
| Challenger Medellin | 2017/07/12 20:30 | Mendoza, Alejandro v Darian King | 2-6,0-6 |