Round: 26 Ground: Hardcourt indoor
| ATP Geneva Qual | 2015/05/16 08:00 | Goncalo Oliveira v Daniel Brands | 6-7,3-6 |
| ITF Spain F13 | 2015/05/14 12:35 | Goncalo Oliveira v Albert Alcaraz Ivorra | 2-6,3-6 |
| ITF Spain F13 | 2015/05/13 10:00 | Goncalo Oliveira v Sergio Martos Gornes | 6-0,6-7,6-2 |
| ITF Spain F13 | 2015/05/11 09:00 | Goncalo Oliveira v Zeljko Milovic | 6-3,6-4 |
| ITF Spain F13 | 2015/05/09 12:00 | Goncalo Oliveira v Leo Julien Sebaoun | 6-2,6-2 |
| ITF Spain F12 | 2015/05/07 09:00 | Alvaro Lopez San Martin v Goncalo Oliveira | 6-2,6-0 |
| ITF Spain F10 Qual | 2015/04/19 12:00 | Goncalo Oliveira v Piotr Zbroja | 6-1,6-2 |
| ITF Spain F9 Qual | 2015/04/11 07:00 | Goncalo Oliveira v Sergio Barranco | 1-6,3-6 |
| Challenger Heilbronn | 2015/05/11 15:00 | Jason Kubler v Jeremy Jahn | 6-7,6-4,7-5 |
| Challenger Heilbronn Qual | 2015/05/10 11:25 | Henri Laaksonen v Jeremy Jahn | 4-6,4-6 |
| ITF Turkey F7 | 2015/02/18 09:10 | Jeremy Jahn v Franko Skugor | 4-6,6-4,2-6 |
| ITF Turkey F7 | 2015/02/17 07:30 | Kittiphong Wachiramanowong v Jeremy Jahn | 1-6,2-6 |
| ITF Turkey F7 | 2015/02/14 07:00 | Cheong Hwi Kim v Jeremy Jahn | 0-6,1-6 |
| ITF Turkey F6 | 2015/02/12 10:00 | Dimitar Kuzmanov v Jeremy Jahn | 6-3,6-2 |
| ITF Turkey F6 | 2015/02/11 11:30 | Jeremy Jahn v Antoine Hoang | 6-1,7-6 |
| ITF Turkey F6 | 2015/02/07 09:00 | Sefa Suluoglu v Jeremy Jahn | 0-6,0-6 |