Stadium: Court 1 Round: 54 Ground: Clay
| ITF M15 Troisdorf | 2021/05/09 10:00 | Obert, Adrian v John Sperle | 3-6,2-6 |
| ITF M25 Meerbusch | 2021/04/12 07:30 | Obert, Adrian v Hansen, Christian | 6-4,2-6,6-10 |
| ITF M25 Hamburg | 2020/10/20 10:00 | Obert, Adrian v Manuel Guinard | 6-7,3-6 |
| ITF M25 Hamburg | 2020/10/19 09:00 | Obert, Adrian v Buvaysar Gadamauri | 6-2,6-1 |
| ITF M25 Hamburg | 2020/10/18 09:00 | Obert, Adrian v Larwig, Noel | 6-2,7-6 |
| ITF M15 Caslano | 2020/09/01 09:40 | Balzerani, Riccardo v Obert, Adrian | 7-5,7-6 |
| DTB German Pro Series | 2020/06/14 08:40 | Mika Lipp v Obert, Adrian | 1-6,6-4,6-2 |
| ITF - M15 Doha | 2020/03/12 12:00 | Obert, Adrian v Wishaya Trongcharoenchaikul | 6-3,7-6 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/05/30 10:30 | Marino Jakic v Hoogland, Joris | 6-3,6-2 |
| ITF - M25 Kiseljak | 2021/05/23 08:15 | Heger, Tim v Hoogland, Joris | 7-6,6-4 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/05/16 07:30 | Hoogland, Joris v Martin Zeljenka | 6-7,3-6 |
| ITF - M15 Prijedor | 2021/05/09 07:00 | Hoogland, Joris v Vukovic, Milos | 2-6,2-6 |
| ITF - M15 Monastir | 2021/01/10 13:00 | Hoogland, Joris v Dominik Palan | 0-6,2-6 |
| ITF - M15 Monastir | 2021/01/10 09:00 | Hoogland, Joris v Arthur Bonnaud | 4-6,6-4,11-9 |
| ITF - M15 Monastir | 2021/01/03 11:00 | Cyril Vandermeersch v Hoogland, Joris | 6-3,6-1 |
| ITF - M15 Santo Domingo | 2020/12/07 15:30 | Hoogland, Joris v Charles Broom | 3-6,1-6 |