Head to Head includes singles and doubles results.
06/21/21 | Bob Grochau over David Koller | 7-6; 6-2 | |
09/14/20 | Bob Grochau over David Koller | 10-2 | |
02/07/20 | Bob Grochau over David Koller | 7-6; 6-4 | |
12/31/18 | Bob Grochau over David Koller | 7-6; 6-2 | |
10/27/15 | Bob Grochau over David Koller | 10-6 | |
03/12/14 | Bob Grochau over David Koller | 6-4; 6-1 | |
09/10/13 | Bob Grochau over David Koller | 7-6; 6-3 | |
04/23/13 | Bob Grochau over David Koller | 10-7 |