Head to Head includes singles and doubles results.
| 08/12/14 | George Lehner over Petar Canic | 4-6; 6-3; 6-1 | Playoff Match |
| 05/11/12 | George Lehner over Petar Canic | 6-7; 7-6; 6-4 | |
| 04/25/12 | Petar Canic over George Lehner | 6-4; 7-6; 6-3 | |
| 02/12/12 | Petar Canic over George Lehner | 7-5; 6-4 | |
| 10/24/11 | George Lehner over Petar Canic | 4-6; 6-4; 5-3 Ret. | |
| 10/09/11 | Petar Canic over George Lehner | 7-6; 7-5 | |
| 05/08/11 | George Lehner over Petar Canic | 7-6; 3-6; 6-3 | |
| 10/10/10 | George Lehner over Petar Canic | 6-4; 3-6; 6-4 | |
| 09/26/10 | Petar Canic over George Lehner | 5-7; 6-2; 6-2 | |
| 08/17/10 | Petar Canic over George Lehner | 6-2; 5-7; 5-4 | |
| 07/18/10 | George Lehner over Petar Canic | 6-7; 7-5; 7-5 | |
| 05/31/10 | George Lehner over Petar Canic | 3-6; 6-4; 6-3 | |
| 04/05/10 | Petar Canic over George Lehner | 6-3; 7-6 | |
| 11/05/09 | Petar Canic over George Lehner | 7-5; 6-2 | |
| 09/13/09 | George Lehner over Petar Canic | 6-3; 6-3 | |
| 08/01/09 | Petar Canic over George Lehner | 6-3; 7-6 | |
| 07/19/09 | Petar Canic over George Lehner | 6-3; 2-6; 6-1 | |
| 06/21/09 | George Lehner over Petar Canic | 7-6; 1-6; 6-3 | |
| 04/18/09 | George Lehner over Petar Canic | 7-5; 4-6; 6-3 | |
| 09/16/07 | George Lehner over Petar Canic | 6-3; 6-1 |
