Stadium: Court 4 Round: 45 Ground: Hardcourt indoor
| Challenger Liberec Qual | 2018/07/28 13:25 | Jules Okala v Omar Salman | 6-7,6-7 |
| Challenger Bastad Qual | 2018/07/08 11:40 | Jules Okala v Karl Friberg | 6-0,6-0 |
| Challenger Bastad Qual | 2018/07/08 08:15 | Jules Okala v George Botezan | 6-2,6-4 |
| Challenger Bastad Qual | 2018/07/07 09:45 | Jules Okala v Andre Goransson | 6-4,6-3 |
| Challenger Blois | 2018/06/19 08:30 | Carlos Berlocq v Jules Okala | 3-6,6-1,7-6 |
| Challenger Blois Qual | 2018/06/18 09:00 | Tak Khunn Wang v Jules Okala | 2-6,2-6 |
| Challenger Blois Qual | 2018/06/17 09:00 | Pierre Faivre v Jules Okala | 2-6,0-6 |
| ITF Romania F2 | 2018/06/03 11:55 | Bogdan Ionut Apostol v Jules Okala | 1-6,1-6 |
| ITF Czech Republic F11 | 2018/11/21 17:20 | Valentin Guenther v Robert Strombachs | 6-3,6-4 |
| ITF Thailand F9 | 2018/11/14 02:00 | Alexandar Lazarov v Robert Strombachs | 6-3,6-1 |
| ITF Thailand F9 | 2018/11/12 04:30 | Natthasith Kunsuwan v Robert Strombachs | 2-6,0-6 |
| ITF Thailand F8 | 2018/11/04 02:00 | Robert Strombachs v Sebastian Prechtel | 3-6,3-6 |
| ITF Vietnam F5 | 2018/11/02 03:00 | Robert Strombachs v Nam Hoang Ly | 4-6,2-6 |
| ITF Vietnam F5 | 2018/11/01 03:00 | Robert Strombachs v Samuel Shropshire | 6-7,6-1,6-1 |
| ITF Vietnam F5 | 2018/10/30 03:00 | Robert Strombachs v Nitin Kumar Sinha | 6-1,6-4 |
| ITF Vietnam F4 | 2018/10/25 04:30 | Robert Strombachs v Yu Hsiou Hsu | 6-4,0-6,5-7 |