| Czech Open Qual | 2019/09/26 14:25 | Brian Holtschke v Holub, Lukas | L | 2-0 |
| Czech Open Qual | 2019/09/26 08:00 | Matysiak, Michal v Holub, Lukas | W | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/09/27 13:10 | Holub, Lukas v MacGregor, Jack | L | 0-2 |
| Open de Suisse - Doubles Femmes - Qualif. | 2018/09/20 16:55 | Kramer, David v Holub, Lukas | L | 2-0 |
| Giraldilla Int. XD | 2017/09/21 11:00 | Gomola, Michal v Holub, Lukas | W | 0-2 |
| Spanish Int. Qual | 2019/06/12 09:25 | Elias Bracke v Alvaro Leal | L | 2-1 |