Stadium: Court 7 Round: 44 Ground: Hardcourt outdoor
| Challenger Bratislava | 2018/11/08 16:00 | Lacko, Lukas v Egor Gerasimov | 3-6,3-6 |
| Challenger Bratislava | 2018/11/07 15:30 | Lacko, Lukas v Robert, Stephane | 4-6,6-4,7-5 |
| Challenger Eckental | 2018/10/31 16:00 | Lacko, Lukas v Bolelli, Simone | 6-7,3-6 |
| ATP Stockholm | 2018/10/18 12:30 | Lacko, Lukas v Fabio Fognini | 4-6,4-6 |
| ATP Stockholm | 2018/10/16 13:45 | Lacko, Lukas v Taro Daniel | 6-1,6-4 |
| Challenger Ortisei | 2018/10/09 14:25 | Pavic, Ante v Lacko, Lukas | 7-6,7-6 |
| St. Petersburg, Russia | 2018/09/20 13:20 | Marco Cecchinato v Lacko, Lukas | 7-5,7-6 |
| St. Petersburg, Russia | 2018/09/18 15:30 | Bemelmans, Ruben v Lacko, Lukas | 2-6,6-4,5-7 |
| Houston, USA | 2018/11/12 18:00 | Harrison Adams v Smyczek, Tim | 6-3,7-5 |
| Challenger Knoxville | 2018/11/09 15:00 | Smyczek, Tim v Fratangelo, Bjorn | 2-6,1-6 |
| Challenger Knoxville | 2018/11/08 15:00 | Smyczek, Tim v Dominik Koepfer | 6-4,7-6 |
| Challenger Knoxville | 2018/11/07 00:05 | Smyczek, Tim v Smith, John-Patrick | 3-6,6-3,6-2 |
| Challenger Charlottesville | 2018/11/01 19:30 | Smyczek, Tim v Thai-Son Kwiatkowski | 2-6,7-5,2-6 |
| Challenger Charlottesville | 2018/10/31 16:50 | Smyczek, Tim v Blaz Rola | 6-4,7-5 |
| Shanghai, Chine | 2018/10/06 04:00 | Smyczek, Tim v Taro Daniel | 7-6,4-6,4-6 |
| ATP Tokyo | 2018/09/29 02:00 | Yosuke Watanuki v Smyczek, Tim | 6-4,6-2 |