Head to Head includes singles and doubles results.
| 07/19/09 | Stephen Koo over Greg Hessler | 6-3; 6-3 | |
| 07/05/09 | Stephen Koo over Greg Hessler | 6-3; 6-1 | |
| 04/19/09 | Greg Hessler over Stephen Koo | 7-6; 6-3 | |
| 03/19/09 | Stephen Koo over Greg Hessler | 6-2; 3-6; 6-3 | |
| 08/24/08 | Greg Hessler over Stephen Koo | 6-2; 2-6; 6-4 | Playoff Match |
| 08/06/08 | Stephen Koo over Greg Hessler | 7-5; 6-2 |
