Head to Head
| ITF Czech Republic F1 | 2014/05/16 11:00 | Jan Mertl v Oscar Otte | 6-2,6-1 |
Home History
| US Open Qual | 2015/08/27 17:00 | Aslan Karatsev v Jan Mertl | 6-3,6-7,6-0 |
| US Open Qual | 2015/08/25 15:00 | Alexander Sarkissian v Jan Mertl | 6-4,4-6,3-6 |
| ITF Czech Republic F6 | 2015/07/11 09:00 | Uladzimir Ignatik v Jan Mertl | 6-7,6-4,6-1 |
| ITF Czech Republic F6 | 2015/07/10 10:40 | Jan Poskocil v Jan Mertl | 4-6,2-6 |
| ITF Czech Republic F6 | 2015/07/09 08:30 | Kamil Majchrzak v Jan Mertl | 4-6,6-4,1-6 |
| ITF Czech Republic F6 | 2015/07/08 08:00 | Peter Vajda v Jan Mertl | 0-6,0-6 |
| ITF Czech Republic F5 | 2015/06/30 10:30 | Jan Mertl v Artem Smirnov | 7-6,4-6,3-6 |
| Wimbledon Qual | 2015/06/24 15:40 | Matteo Viola v Jan Mertl | 4-6,6-7 |
Away History
| ITF Netherlands F6 | 2015/08/24 08:00 | Gleb Sakharov v Oscar Otte | 3-6,7-5,6-3 |
| ITF Belgium F11 | 2015/08/20 12:00 | Oscar Otte v Joran Vliegen | 6-1,3-6,4-6 |
| ITF Belgium F11 | 2015/08/19 13:00 | Oscar Otte v Evan Furness | 6-1,6-0 |
| ITF Belgium F11 | 2015/08/17 12:30 | Oscar Otte v Daniel Altmaier | 6-3,4-6,6-1 |
| ITF Germany F11 | 2015/08/14 14:40 | Gavin Van Peperzeel v Oscar Otte | 6-4,1-6,6-3 |
| ITF Germany F11 | 2015/08/12 12:00 | Johannes Haerteis v Oscar Otte | 4-6,0-6 |
| ITF Belgium F9 | 2015/08/08 13:00 | Joris De Loore v Oscar Otte | 6-4,2-6,3-6 |
| ITF Belgium F9 | 2015/08/06 14:00 | Oscar Otte v Michael Geerts | 6-3,6-2 |