Stadium: Court 2 Round: 25 Ground: Clay
| Challenger Ortisei | 2020/11/19 10:00 | Johannes Haerteis v Ilya Ivashka | 6-7,3-6 |
| Challenger Ortisei | 2020/11/17 09:00 | Daniel Masur v Johannes Haerteis | 3-6,7-6,3-6 |
| Challenger Ortisei | 2020/11/15 10:00 | Alexey Vatutin v Johannes Haerteis | 3-6,6-3,3-6 |
| Challenger Ortisei | 2020/11/14 09:00 | Johannes Haerteis v Viktor Galovic | 4-6,7-6,6-4 |
| Challenger Bratislava | 2020/11/08 11:00 | Johannes Haerteis v Julian Lenz | 7-6,4-6,6-7 |
| Challenger Eckental | 2020/11/04 12:55 | Sebastian Korda v Johannes Haerteis | 6-2,1-6,6-1 |
| Challenger Eckental | 2020/11/02 18:40 | Yannick Maden v Johannes Haerteis | 2-6,6-4,3-6 |
| Challenger Eckental | 2020/11/01 13:15 | Lukas Klein v Johannes Haerteis | 1-6,4-6 |
| Challenger Lille | 2021/03/22 12:05 | Baptiste Crepatte v Filip Cristian Jianu | 6-2,6-1 |
| Challenger Lille | 2021/03/21 15:15 | Martin Breysach v Filip Cristian Jianu | 3-6,3-6 |
| Challenger Gran Canaria | 2021/03/02 11:40 | Carlos Alcaraz Garfia v Filip Cristian Jianu | 6-3,6-7,6-1 |
| Challenger Gran Canaria | 2021/03/01 11:00 | Filip Cristian Jianu v Sadio Doumbia | 6-2,6-3 |
| Challenger Gran Canaria Qual | 2021/02/28 16:05 | Filip Cristian Jianu v Ivan Marrero Curbelo | 5-7,6-3,6-2 |
| Challenger Gran Canaria | 2021/02/21 15:15 | Alex M Pujolras v Filip Cristian Jianu | 6-4,7-6 |
| ITF M15 Antalya | 2021/02/17 09:15 | Facundo Juarez v Filip Cristian Jianu | 6-3,6-4 |
| ITF M15 Antalya | 2021/02/14 06:50 | Filip Cristian Jianu v Agustin Velotti | 3-6,4-6 |