Stadium: Centre Court Round: 45 Ground: Carpet indoor
| ITF M15 Forbach | 2019/09/23 08:20 | Dragoni, Alessandro v Johann, Lars | 3-6,5-7 |
| ITF M15 Trier | 2019/08/12 08:00 | Johann, Lars v Pfaff, Moritz | 2-6,6-4,6-10 |
| Saarlouis, Singles Qualifying M-ITF-GER-07A | 2019/07/01 10:00 | Johann, Lars v Bybel, Nicholas | 7-6,0-6,7-10 |
| ITF Germany F14 | 2018/09/30 07:00 | Jeremy Schifris v Johann, Lars | 3-6,6-2,6-1 |
| ITF Germany F6 | 2016/07/03 12:00 | Johann, Lars v Milan Welte | 5-7,1-6 |
| ITF M15 Forbach | 2019/09/23 08:30 | van Wijk, Max v Verstegen, Quin | 2-6,2-6 |
| ITF M15 Haren | 2019/08/25 08:00 | Larwig, Noel v Verstegen, Quin | 7-6,7-5 |
| ITF M15 Lambermont | 2019/08/19 08:00 | Alexandre Aubriot v Verstegen, Quin | 6-3,7-6 |
| Koksijde, Singles M-ITF-BEL-04A | 2019/08/13 12:00 | Verstegen, Quin v Lopez, Luis Humberto | 6-7,6-4,8-10 |
| Koksijde, Singles M-ITF-BEL-04A | 2019/08/12 13:00 | Emilien Voisin v Verstegen, Quin | 6-2,4-6,6-10 |
| Wetzlar, Singles Qualifying M-ITF-GER-11A | 2019/08/05 08:00 | Matthew Dellavedova v Verstegen, Quin | 6-2,6-4 |
| Den Haag, Singles Qualifying M-ITF-NED-02A | 2019/07/01 09:30 | Daniel De Jonge v Verstegen, Quin | 6-3,6-1 |
| ITF Belgium F7 Qual | 2018/08/05 08:00 | Verstegen, Quin v Damiens, Antoine | 1-6,1-6 |