| UTR Pro Tennis Series Mulheim | 2021/07/28 12:30 | Marvin Schaber v Hendrik Jebens | 6-2,7-5 |
| UTR Pro Tennis Series Mulheim | 2021/07/28 07:00 | Tim Gennes v Hendrik Jebens | 1-6,3-5 |
| ITF M25 Ajaccio | 2021/07/07 19:05 | Petros Tsitsipas v Hendrik Jebens | 3-6,6-0,6-1 |
| ITF M25 Bakio | 2021/06/29 08:55 | Hendrik Jebens v Inaki Montes-De La Torre | 6-7,3-6 |
| ITF M25 Klosters | 2021/06/20 08:45 | Tomas Papik v Hendrik Jebens | 6-3,7-6 |
| ITF M25 Angers | 2021/04/19 09:00 | Louis Dussin v Hendrik Jebens | 6-3,7-5 |
| ITF M25 Angers | 2021/04/18 09:00 | Kalomm Panzo v Hendrik Jebens | 0-6,1-6 |
| ITF M25 Meerbusch | 2021/04/12 11:00 | Hendrik Jebens v Milan Welte | 5-7,1-6 |
| UTR Pro Tennis Series Mulheim | 2021/07/27 11:00 | Marvin Schaber v Vasile Antonescu | 1-6,6-4,2-6 |
| UTR Pro Tennis Series Mulheim | 2021/07/26 12:30 | Vasile Antonescu v John Sperle | 6-3,5-2 |
| UTR Pro Tennis Series Bucharest | 2021/06/04 10:00 | Vasile Antonescu v Marcelo Zormann | 5-7,7-5,2-5 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 09:00 | Mathieu Scaglia v Vasile Antonescu | 2-6,2-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 16:00 | Vladimir Filip v Vasile Antonescu | 4-6,0-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/02 10:00 | Nicolae Frunza v Vasile Antonescu | 6-7,0-6 |
| UTR Pro Tennis Series Bucharest | 2021/05/30 09:00 | Vasile Antonescu v Gheorghe Claudiu Schinteie | 6-1,6-1 |
| ITF M15 Bucharest | 2021/05/23 09:00 | Radu Mihai Papoe v Vasile Antonescu | 1-6,7-5,10-5 |