Head to Head includes singles and doubles results.
| 05/01/09 | Phil Harris over Roman Kastin | 6-1; 7-5 | |
| 11/07/08 | Roman Kastin over Phil Harris | 6-4; 6-3 | |
| 10/17/08 | Phil Harris over Roman Kastin | 6-4; 4-6; 6-3 | |
| 07/27/07 | Phil Harris over Roman Kastin | 6-4; 2-4 Ret. |
