| UTR Pro Tennis Series Mulheim | 2021/10/17 08:30 | Johann Willems v Christian Hansen | 6-1,5-1 |
| UTR Pro Tennis Series Mulheim | 2021/10/16 08:15 | Constantin Schmitz v Johann Willems | 3-6,1-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/15 11:30 | Eric Vanshelboim v Johann Willems | 2-6,4-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/14 08:30 | Diego Balderas v Johann Willems | 0-6,2-6 |
| UTR Pro Tennis Series Mulheim | 2021/10/12 07:00 | Ivan Marrero Curbelo v Johann Willems | 2-6,3-5 |
| UTR Pro Tennis Series Mulheim | 2021/10/11 12:15 | Johann Willems v Benjamin Dhoe | 6-2,5-1 |
| UTR Pro Tennis Series Mulheim | 2021/09/23 09:30 | Johann Willems v Alen Moritz Hodzic | 0-0 |
| UTR Pro Tennis Series Mulheim | 2021/09/20 08:00 | Johann Willems v Maxence Broville | 0-0 |
| UTR Pro Tennis Series Mulheim | 2021/10/12 07:00 | Eric Vanshelboim v Lawrence Bataljin | 6-1,5-3 |
| UTR Pro Tennis Series Nis | 2021/10/09 11:00 | Christos Keisidis v Lawrence Bataljin | 6-4,6-2 |
| UTR Pro Tennis Series Nis | 2021/10/08 16:45 | Lawrence Bataljin v Oleksandr Bielinskyi | 7-5,5-7,0-5 |
| UTR Pro Tennis Series Nis | 2021/10/07 08:30 | Lawrence Bataljin v Veljko Krstic | 7-6,3-6,5-7 |
| UTR Pro Tennis Series Nis | 2021/10/06 08:30 | Ivan Liutarevich v Lawrence Bataljin | 7-5,6-3 |
| UTR Pro Tennis Series Nis | 2021/10/05 09:00 | Stefan Ivic v Lawrence Bataljin | 4-6,4-5 |
| UTR Pro Tennis Series Zadar | 2021/10/03 08:00 | Duje Kekez v Lawrence Bataljin | 6-1,5-1 |
| UTR Pro Tennis Series Zadar | 2021/10/02 13:00 | Lawrence Bataljin v Ivan Liutarevich | 6-4,6-3 |