Stadium: Court 2 Round: 14 Ground: Clay
| ITF M15 Monastir | 2021/03/18 10:00 | Christoph Negritu v Raphael Collignon | 6-7,4-6 |
| ITF M15 Monastir | 2021/03/16 09:55 | Nicolas Moreno De Alboran v Christoph Negritu | 6-7,2-6 |
| ITF M15 Monastir | 2021/03/10 12:15 | Kai Lemstra v Christoph Negritu | 6-4,2-6,6-1 |
| ITF M15 Monastir | 2021/03/02 08:30 | Constantin Schmitz v Christoph Negritu | 6-4,7-6 |
| ITF M15 Monastir | 2021/02/24 08:00 | Colin Sinclair v Christoph Negritu | 6-1,7-5 |
| German Championship | 2020/12/10 10:30 | Jakob Schnaitter v Christoph Negritu | 7-6,7-5 |
| German Championship | 2020/12/08 15:00 | Marvin Moeller v Christoph Negritu | 6-7,6-3,3-6 |
| ITF M15 Alkmaar | 2020/08/27 09:00 | Shintaro Mochizuki v Christoph Negritu | 6-4,7-5 |
| Challenger Biella | 2021/03/16 15:15 | Aleksandar Vukic v Gregoire Barrere | 5-7,6-7 |
| Challenger Biella | 2021/03/08 14:20 | Aleksandar Vukic v Jurij Rodionov | 4-6,4-6 |
| Australian Open | 2021/02/09 02:25 | Karen Khachanov v Aleksandar Vukic | 6-3,6-7,7-6,6-4 |
| ATP Great Ocean Road Open | 2021/02/03 01:20 | Aleksandar Vukic v Jannik Sinner | 2-6,4-6 |
| ATP Great Ocean Road Open | 2021/01/31 23:30 | Yen-Hsun Lu v Aleksandar Vukic | 4-6,5-7 |
| Challenger Alicante | 2020/10/16 13:40 | Bernabe Zapata Miralles v Aleksandar Vukic | 6-1,4-6,6-1 |
| Challenger Alicante | 2020/10/14 09:00 | Aleksandar Vukic v Inigo C Huegun | 6-1,6-1 |
| Challenger Alicante | 2020/10/12 09:00 | Enzo Couacaud v Aleksandar Vukic | 2-6,1-6 |