| ATP Auckland | 2019/01/04 22:00 | Bradley Klahn v Philipp Oswald | 7-6,6-4 |
| Challenger Anning Qual | 2017/04/24 05:00 | Gianluigi Quinzi v Philipp Oswald | 6-3,7-5 |
| Challenger Anning Qual | 2017/04/23 06:30 | Philipp Oswald v Austin Krajicek | 6-3,6-4 |
| Challenger Anning Qual | 2017/04/22 05:40 | Philipp Oswald v Mukund Sasikumar | 6-3,6-4 |
| ATP Geneva Qual | 2015/05/16 12:40 | Philipp Oswald v Andrey Kuznetsov | 4-6,2-6 |
| WTA Kuala Lumpur Qual | 2014/09/22 05:00 | Takuto Niki v Philipp Oswald | 3-6,6-3,3-6 |
| WTA Kuala Lumpur Qual | 2014/09/20 03:00 | Santiago Gonzalez v Philipp Oswald | 4-6,3-6 |
| ATP Kitzbuhel Qual | 2014/07/26 09:05 | Aslan Karatsev v Philipp Oswald | 7-6,6-3 |
| ITF M15 Veigy-Foncenex | 2020/01/28 09:00 | Alexander Erler v Mats Rosenkranz | 3-6,7-6,2-6 |
| ITF M25 Nussloch | 2020/01/23 11:30 | Alexander Erler v Stefan Seifert | 4-6,3-6 |
| ITF M15 Heraklion | 2019/11/17 08:30 | Alexander Erler v Jan Zielinski | 7-5,6-1 |
| ITF M15 Heraklion | 2019/11/16 12:00 | Yshai Oliel v Alexander Erler | 4-6,6-2,1-6 |
| ITF M15 Heraklion | 2019/11/16 08:00 | Alexander Erler v Nikita Mashtakov | 6-1,3-6,6-3 |
| ITF M15 Heraklion | 2019/11/15 08:00 | Alexander Erler v Billy Harris | 6-3,3-6,6-4 |
| ITF M15 Heraklion | 2019/11/12 08:30 | Alexander Erler v Toby Martin | 6-3,3-6,6-3 |
| ITF M15 Heraklion | 2019/11/08 08:00 | Alexander Erler v Yshai Oliel | 2-6,3-6 |