Stadium: Court 5 Round: 25 Ground: Clay
| ITF M25 Karlsruhe | 2019/06/04 10:25 | Christoph Negritu v Adrian Oetzbach | 7-5,6-7,7-10 |
| ITF M25 Karlsruhe | 2019/06/03 09:00 | Adrian Oetzbach v Constantin Schmitz | 6-4,7-5 |
| ITF M15 Bucharest | 2019/05/20 09:00 | Ivan Mikhaylyuk v Adrian Oetzbach | 7-6,6-4 |
| ITF M15 Kalmar | 2019/05/15 11:50 | Adrian Oetzbach v George Botezan | 5-7,3-6 |
| ITF M15 Kalmar | 2019/05/14 08:15 | Martins Rocens v Adrian Oetzbach | 7-6,2-6,1-10 |
| ITF M15 Kalmar | 2019/05/13 11:30 | Edis Nokic v Adrian Oetzbach | 1-6,3-6 |
| ITF USA F24 | 2018/09/13 18:05 | Matej Vocel v Adrian Oetzbach | 6-0,6-1 |
| ITF USA F24 | 2018/09/12 16:30 | Adrian Oetzbach v Jianhui Li | 6-4,6-4 |
| ITF M25 Most | 2019/06/01 08:00 | Colin Sinclair v Jan Satral | 6-3,2-6,3-6 |
| ITF M25 Most | 2019/05/31 08:00 | Colin Sinclair v Ondrej Krstev | 6-2,6-3 |
| ITF M25 Most | 2019/05/30 08:00 | Colin Sinclair v Lucas Gerch | 6-2,5-7,6-3 |
| ITF M25 Most | 2019/05/29 10:05 | Colin Sinclair v Jiri Lehecka | 6-3,6-2 |
| ITF M25 Jablonec Nad Nisou | 2019/05/23 12:15 | Lukas Klein v Colin Sinclair | 6-3,6-3 |
| ITF M25 Jablonec Nad Nisou | 2019/05/23 08:00 | Colin Sinclair v Marvin Netuschil | 6-3,7-6 |
| ITF M15 Prague | 2019/05/14 08:00 | Tadeas Paroulek v Colin Sinclair | 6-3,6-2 |
| ITF M15 Troisdorf | 2019/05/07 11:25 | Mick Veldheer v Colin Sinclair | 6-7,6-3,6-2 |