Round: 62 Ground: Clay
| ITF Turkey F44 | 2015/11/01 08:00 | Shunsuke Wakita v Grigoriy Korobeynikov | 6-2,6-1 |
| ITF Spain F33 | 2015/10/11 12:00 | Grigoriy Korobeynikov v Jordan Correia | 4-6,1-6 |
| ITF Portugal F12 Qual | 2015/09/28 11:00 | Jose-Ricardo Nunes v Grigoriy Korobeynikov | 6-1,6-3 |
| ITF Spain F12 Qual | 2015/05/01 10:00 | Inigo Santos-Fernandez v Grigoriy Korobeynikov | 6-2,6-2 |
| ITF Turkey F47 | 2015/11/07 06:00 | Guy Den Heijer v Guus Koevermans | 6-1,6-3 |
| ITF Turkey F44 | 2015/11/01 08:00 | Dominic Weidinger v Guus Koevermans | 7-5,6-1 |
| ITF Germany F16 | 2015/10/12 11:00 | Christian Hirschmueller v Guus Koevermans | 6-3,6-3 |
| ITF Belgium F14 | 2015/09/05 09:00 | Guus Koevermans v Marc Dijkhuizen | 3-6,4-6 |
| ITF Netherlands F6 | 2015/08/22 08:00 | Colin Van Beem v Guus Koevermans | 7-5,6-1 |
| ITF Netherlands F1 Qual | 2015/06/13 11:30 | Guus Koevermans v Alexandre G R Girotto | 6-2,6-1 |
| ITF Spain F6 Qual | 2015/03/22 09:00 | Juan P Canas Garcia v Guus Koevermans | 6-4,6-2 |