Stadium: Court 2 Round: 54 Ground: Carpet indoor
| ITF Germany F16 | 2018/10/23 13:00 | Stefan Seifert v Johann Willems | 4-6,6-3,6-2 |
| ITF Germany F16 | 2018/10/22 10:00 | Johann Willems v Karlo Cubelic | 6-3,6-4 |
| ITF Germany F16 | 2018/10/21 10:30 | Johann Willems v Herman Meeuwes Mattheo Knoop | 6-4,6-3 |
| ITF Germany F5 | 2018/06/28 14:15 | Markus Eriksson v Johann Willems | 6-3,6-0 |
| ITF Germany F5 | 2018/06/26 15:20 | Gibril Diarra v Johann Willems | 1-6,2-6 |
| ITF Romania F1 | 2018/05/22 07:00 | Matthias Haim v Johann Willems | 7-6,7-6 |
| ITF Egypt F16 | 2018/05/02 12:00 | Johann Willems v Zakhar Trapeznikov | 7-5,5-7,6-7 |
| ITF Egypt F16 | 2018/04/30 07:30 | Johann Willems v Vladislav Dubinsky | 6-2,6-4 |
| ITF M25 Falun | 2019/09/29 08:00 | Laurin Aerne v Robin Thour | 6-3,3-6,5-10 |
| ITF M25 Stockholm | 2019/09/23 13:40 | Laurin Aerne v John H Lithen | 4-6,5-7 |
| ITF M15 Cancun | 2019/09/18 18:55 | Mauricio Echazu v Laurin Aerne | 6-2,6-4 |
| ITF M15 Cancun | 2019/09/16 15:00 | Laurin Aerne v Matt Kuhar | 6-4,6-1 |
| ITF M15 Cancun | 2019/09/15 20:30 | Nicholas Shamma v Laurin Aerne | 4-6,5-7 |
| ITF M15 Cancun | 2019/09/08 14:30 | Tommaso Carnevale-Miino v Laurin Aerne | 6-4,6-4 |
| ITF M15 Horgen | 2019/08/28 13:00 | Laurin Aerne v Pascal Meis | 3-6,4-6 |
| ITF M15 Horgen | 2019/08/26 14:00 | Nicolas Parizzia v Laurin Aerne | 5-7,6-4,8-10 |