Round: 25 Ground: Clay
| ITF Netherlands F6 | 2015/08/25 08:00 | Philipp Davydenko v Yan Sabanin | 5-7,6-3,3-6 |
| Challenger Meerbusch | 2015/08/18 15:45 | Andreas Haider-Maurer v Philipp Davydenko | 7-5,5-7,6-1 |
| Challenger Meerbusch Qual | 2015/08/17 10:50 | Federico Coria v Philipp Davydenko | 6-4,1-6,5-7 |
| ITF Germany F7 | 2015/07/14 16:40 | Oriol Roca Batalla v Philipp Davydenko | 6-3,6-4 |
| ITF Russia F3 | 2015/06/16 07:00 | Alexandr Kushakov v Philipp Davydenko | 4-6,2-6 |
| ITF Russia F3 | 2015/06/05 13:45 | Philipp Davydenko v Ivan Nedelko | 4-6,6-4,5-7 |
| ITF Russia F3 | 2015/06/02 09:05 | Philipp Davydenko v Alexander Ovcharov | 6-2,6-2 |
| ITF Russia F1 | 2015/05/27 06:00 | Philipp Davydenko v Alexandr Chepelev | 6-0,6-3 |
| Challenger Manerbio | 2015/08/25 08:00 | Ruben R. Hidalgo v Andrej Martin | 4-6,7-6,1-6 |
| Challenger Prague 2 | 2015/08/11 14:45 | Ruben R. Hidalgo v Pere Riba | 6-2,2-6,1-6 |
| Challenger Cortina | 2015/08/05 11:50 | Paolo Lorenzi v Ruben R. Hidalgo | 6-1,6-3 |
| Challenger Cortina | 2015/08/04 08:00 | Ruben R. Hidalgo v Filip Horansky | 6-4,6-4 |
| Challenger Biella | 2015/07/28 08:00 | Lamine Ouahab v Ruben R. Hidalgo | 6-4,6-4 |
| Challenger Padova | 2015/07/03 14:10 | Federico Gaio v Ruben R. Hidalgo | 6-0,6-3 |
| Challenger Padova | 2015/07/02 12:00 | Hugo Dellien v Ruben R. Hidalgo | 7-5,5-7,3-6 |
| Challenger Padova | 2015/06/30 10:45 | Ruben R. Hidalgo v Maximo Gonzalez | 4-6,7-6,6-4 |