Stadium: C3 Round: 45
| ITF M25 Oberentfelden | 2019/02/04 08:30 | Lukas Ollert v Mischa Lanz | 6-3,6-2 |
| ITF Thailand F8 | 2018/11/06 06:40 | Ray Ho v Lukas Ollert | 6-1,3-6,6-3 |
| ITF Vietnam F5 | 2018/10/30 03:00 | Lukas Ollert v Nam Hoang Ly | 6-7,1-6 |
| Challenger Ismaning | 2018/10/13 13:10 | Lukas Ollert v Marek Gengel | 3-6,3-6 |
| ITF Sweden F5 | 2018/10/01 12:00 | Lukas Ollert v David Poljak | 6-4,3-6,2-6 |
| ITF Sweden F4 | 2018/09/25 11:00 | George Loffhagen v Lukas Ollert | 6-1,6-3 |
| ITF Great Britain F5 | 2018/09/18 17:00 | Lukas Ollert v Anton Matusevich | 4-6,5-7 |
| ITF Great Britain F4 | 2018/09/13 11:10 | Lukas Ollert v Jack Draper | 6-2,3-6,4-6 |
| ITF M25 Oberentfelden | 2019/02/04 08:30 | Adrien Burdet v Jonas Trinker | 7-5,7-6 |