| UTR Pro Tennis Series Mulheim | 2021/10/14 07:00 | Verstegen, Quin v Hansen, Christian | 3-6,6-3,3-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/13 11:30 | Verstegen, Quin v Tom Gentzsch | 4-6,2-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/12 12:30 | Verstegen, Quin v Alen Moritz Hodzic | 6-7,4-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/11 08:30 | Verstegen, Quin v Filip Duda | 6-2,3-6,5-4 |
| ITF M15 Troisdorf | 2021/05/09 13:00 | Verstegen, Quin v Ernaelsteen, Victor | 0-6,5-7 |
| ITF - M15 Monastir | 2021/01/10 08:30 | Tinelli, Matteo v Verstegen, Quin | 7-5,7-6 |
| ITF - M15 Monastir | 2021/01/03 13:00 | Thomas Deschamps v Verstegen, Quin | 6-2,6-1 |
| ITF - M15 Monastir | 2020/12/28 09:00 | Axel Garcian v Verstegen, Quin | 6-3,7-5 |
| UTR Pro Tennis Series Mulheim | 2021/10/15 11:30 | Balderas, Diego v Dhoe, Benjamin | 0-6,0-5 |
| UTR Pro Tennis Series Mulheim | 2021/10/14 08:30 | Balderas, Diego v Willems, Johann | 0-6,2-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/13 10:20 | Ivan Marrero Curbelo v Balderas, Diego | 6-1,5-1 |