Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Troisdorf | 2021/05/12 11:40 | Louis Wessels v Glenn Smits | 6-1,6-3 |
| ITF M15 Šibenik | 2021/04/21 08:00 | Louis Wessels v Simon Beaupain | 7-5,1-6,5-7 |
| ITF M25 Meerbusch | 2021/04/14 10:00 | Louis Wessels v Niels Visker | 2-6,2-6 |
| ITF M25 Naples | 2021/02/25 18:10 | Diego Hidalgo v Louis Wessels | 6-2,6-4 |
| ITF M25 Naples | 2021/02/24 18:45 | Louis Wessels v Bjorn Fratangelo | 6-7,7-5,6-4 |
| ITF M25 Naples | 2021/02/18 16:50 | Louis Wessels v Michael Redlicki | 2-6,0-6 |
| ITF M25 Naples | 2021/02/17 15:00 | Louis Wessels v Fletcher Scott | 6-2,6-4 |
| ITF M15 Monastir | 2021/02/03 08:30 | Louis Wessels v Benjamin Pietri | 4-6,2-6 |
| ITF M15 Troisdorf | 2021/05/12 10:10 | Marlon Vankan v Alexander Mannapov | 6-2,6-1 |
| ITF M15 Troisdorf | 2021/05/11 08:00 | Glenn Smits v Marlon Vankan | 3-6,6-4,10-8 |
| ITF M15 Troisdorf | 2021/05/10 09:30 | Marlon Vankan v Yan Sabanin | 3-6,7-6,10-5 |
| ITF M15 Troisdorf | 2021/05/09 08:00 | Marlon Vankan v Niklas Schell | 2-6,7-6,13-11 |
| ITF M25 Meerbusch | 2021/04/12 07:30 | Hazem Naw v Marlon Vankan | 6-0,4-6,10-4 |
| ITF M15 - Antalya | 2021/03/28 06:30 | Deney Wassermann v Marlon Vankan | 6-1,6-4 |
| ITF M15 - Antalya | 2021/03/24 06:30 | Paul Woerner v Marlon Vankan | 6-4,6-2 |
| ITF M15 - Antalya | 2021/03/22 07:00 | Pablo Alemany v Marlon Vankan | 5-7,7-5,7-10 |