Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| Qatar F3, Singles | 2018/03/13 16:25 | Obert, Adrian v Dominik Kellovsky | 2-6,3-6 |
| ITF Qatar F3 Qual | 2018/03/12 12:00 | Obert, Adrian v Butts, Skyler | 7-5,6-3 |
| ITF Qatar F3 Qual | 2018/03/11 12:00 | Obert, Adrian v Glvac, Andrej | 7-5,6-2 |
| ITF Qatar F2 | 2018/03/06 12:00 | Jay Clarke v Obert, Adrian | 6-2,7-5 |
| ITF Qatar F2 Qual | 2018/03/05 12:00 | Obert, Adrian v Sean Hodkin | 6-0,6-4 |
| ITF Qatar F2 Qual | 2018/03/04 12:00 | Obert, Adrian v Yeung, Pak Long | 6-3,6-1 |
| ITF Great Britain F2 | 2018/02/08 15:45 | Obert, Adrian v Neuchrist, Maximilian | 6-0,2-6,3-6 |
| ITF Great Britain F2 | 2018/02/07 16:40 | Fallert, Florian v Obert, Adrian | 0-6,7-5,3-6 |
| ITF Bahrain F1 | 2018/03/20 10:45 | Yeung, Pak Long v Ollert, Lukas | 3-6,4-6 |
| ITF Russia F3 | 2018/03/14 10:55 | Roman Safiullin v Ollert, Lukas | 6-2,6-1 |
| ITF Russia F3 | 2018/03/13 10:20 | Kushnirovich, Gary v Ollert, Lukas | 0-6,6-7 |
| Kazakhstan F2, Singles | 2018/02/21 07:35 | Nikola Milojevic v Ollert, Lukas | 6-7,6-3,6-4 |
| Kazakhstan F2, Singles | 2018/02/20 07:05 | Dubrivnyy, Artem v Ollert, Lukas | 6-7,5-7 |
| ITF Kazakhstan F1 | 2018/02/16 06:40 | Ollert, Lukas v Fufygin, Mikhail | 3-6,4-6 |
| ITF Kazakhstan F1 Qual | 2018/02/15 06:00 | Khabibulin, Timur v Ollert, Lukas | 3-6,0-6 |
| ITF Kazakhstan F1 | 2018/02/14 06:15 | Ollert, Lukas v Zhyrmont, Dzmitry | 6-3,6-1 |