Round: 44 Ground: Carpet indoor
| 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 Egypt F16 | 2018/04/29 08:00 | Johann Willems v Sebastiano M Zorzi | 6-1,6-2 |
| ITF Egypt F15 | 2018/04/26 07:30 | Johann Willems v Nicolo Turchetti | 4-6,6-2,0-6 |
| ITF Egypt F15 | 2018/04/25 08:00 | Manish Sureshkumar v Johann Willems | 2-6,3-6 |
| ITF Germany F16 | 2018/10/21 08:00 | Daniil Tsebrenko v Herman Meeuwes Mattheo Knoop | 6-3,3-6,4-6 |
| ITF France F19 Qual | 2018/09/23 12:25 | Damien Boulangeot v Herman Meeuwes Mattheo Knoop | 6-7,6-1,6-4 |
| ITF France F19 Qual | 2018/09/22 13:35 | Alexandre Sitek v Herman Meeuwes Mattheo Knoop | 0-6,2-6 |
| ITF Netherlands F4 | 2018/08/13 07:30 | Leonard Von Hindte v Herman Meeuwes Mattheo Knoop | 6-2,6-3 |
| ITF Greece F4 | 2018/03/17 07:30 | Herman Meeuwes Mattheo Knoop v Jacopo Berrettini | 1-6,1-6 |
| ITF Greece F3 | 2018/03/11 08:00 | Fran Zvonimir Zgombic v Herman Meeuwes Mattheo Knoop | 7-5,6-2 |
| ITF Greece F3 | 2018/03/10 07:30 | Herman Meeuwes Mattheo Knoop v Oscar Matias Leiva Biason | 6-2,7-6 |
| ITF Netherlands F5 | 2017/08/12 10:30 | Herman Meeuwes Mattheo Knoop v Mats Hermans | 6-7,3-6 |