| Sudirman Cup | 2021/09/27 13:20 | Kantaphon Wangcharoen v Joakim Oldorff | L | 2-0 |
| Denmark Masters | 2021/08/06 14:00 | Joakim Oldorff v Felix Burestedt | L | 0-2 |
| Denmark Masters | 2021/08/06 09:20 | Maxime Moreels v Joakim Oldorff | W | 0-2 |
| Denmark Masters Qual | 2021/08/05 13:10 | Mads Juel Moller v Joakim Oldorff | W | 1-2 |
| Denmark Masters Qual | 2021/08/05 07:20 | Joakim Oldorff v Richard Kuhl | W | 2-0 |
| Spain Int Qual | 2021/06/17 08:20 | Magnus Johannesen v Joakim Oldorff | L | 2-0 |
| Spain Int Qual | 2021/06/16 14:35 | Joakim Oldorff v Nacho Cervello | W | 2-0 |
| European Team Championships | 2021/02/16 16:00 | Viktor Axelsen v Joakim Oldorff | L | 2-0 |
| Polish Int. Qual | 2021/09/23 07:30 | Matthias Kicklitz v Natan Maksimovic | L | 2-0 |
| Austrian Open Qual | 2021/05/27 08:30 | Natan Maksimovic v May Bar Netzer | L | 0-2 |
| Slovenia Int. Qual | 2021/05/19 08:10 | Natan Maksimovic v Adam Konczol | L | 0-2 |
| Slovenia Future Series Qual | 2019/11/21 08:25 | Natan Maksimovic v Philipp Drexler | L | 1-2 |