Head to Head includes singles and doubles results.
06/17/21 | Eray Erdogan over David Koller | 6-4; 6-3 | |
01/30/20 | Eray Erdogan over David Koller | 10-2 | |
07/11/19 | Eray Erdogan over David Koller | 6-3; 6-0 | |
07/04/19 | Eray Erdogan over David Koller | 6-1; 4-6; 7-5 | |
09/05/17 | David Koller over Eray Erdogan | 6-1; 6-4 |