| 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 Great Britain F4 | 2018/09/12 10:00 | Lukas Ollert v Samm Butler | 6-2,6-1 |
| ITF Tunisia F35 | 2018/10/09 10:35 | Mischa Lanz v Bogdan Bobrov | 5-7,3-6 |
| ITF Tunisia F35 | 2018/10/08 08:30 | Mischa Lanz v Edoardo Lamberti | 6-2,6-0 |
| ITF Tunisia F35 | 2018/10/07 09:00 | Mischa Lanz v Adam Nagoudi | 6-3,6-0 |
| ITF Switzerland F5 | 2018/09/01 08:00 | Gilles Eckert v Mischa Lanz | 6-3,6-4 |
| ITF Switzerland F4 | 2018/08/28 10:45 | Mischa Lanz v Tomas Lipovsek Puches | 2-6,1-6 |
| ITF Switzerland F3 | 2018/08/23 09:30 | Mischa Lanz v Juan Pablo Ficovich | 1-6,5-7 |
| ITF Switzerland F3 | 2018/08/21 11:20 | Mischa Lanz v Hugo Voljacques | 6-3,6-0 |
| ITF Austria F1 | 2018/06/30 11:00 | Mischa Lanz v Martins Rocens | 6-1,2-6,3-6 |