| UTR Pro Tennis Series Mulheim | 2021/10/11 10:00 | Ivan Marrero Curbelo v Eric Vanshelboim | 1-6,0-6 |
| UTR Pro Tennis Series Barcelona | 2021/10/03 10:00 | Alvaro Bueno Gil v Ivan Marrero Curbelo | 2-6,4-6 |
| UTR Pro Tennis Series Barcelona | 2021/10/01 12:30 | Ivan Marrero Curbelo v Kuzey Cekirge | 1-6,6-7 |
| UTR Pro Tennis Series Barcelona | 2021/09/29 11:15 | Ivan Marrero Curbelo v Bruno P Navarro | 5-7,2-6 |
| UTR Pro Tennis Series Barcelona | 2021/09/28 08:00 | Ivan Marrero Curbelo v Adria Soriano Barrera | 2-6,1-5 |
| UTR Pro Tennis Series Barcelona | 2021/09/27 11:00 | Jordi Garcia Mestre v Ivan Marrero Curbelo | 3-6,6-1,3-6 |
| Challenger Gran Canaria - kval | 2021/02/28 16:05 | Filip Cristian Jianu v Ivan Marrero Curbelo | 5-7,6-3,6-2 |
| ITF M25 Villena | 2021/02/02 08:25 | Ben Patael v Ivan Marrero Curbelo | 6-1,4-6,10-5 |
| 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 |
| German Premier League | 2020/07/27 17:05 | Paul Valsecchi v Johann Willems | 1-6,7-5,6-2 |
| ITF M15 Monastir | 2020/03/09 13:30 | Johann Willems v Paras Dahiya | 3-6,6-2,6-10 |
| ITF M15 Monastir | 2020/03/09 08:00 | Johann Willems v Lewie Lane | 6-4,6-4 |
| ITF M15 Monastir | 2020/03/08 08:00 | Adil Kalyanpur v Johann Willems | 2-6,2-6 |
| Challenger Koblenz | 2020/02/17 09:00 | Lucas Gerch v Johann Willems | 6-1,6-7,6-1 |