Head to Head includes singles and doubles results.
| 09/30/12 | Won Choi over John Chavez | 6-2; 6-4 | |
| 09/23/12 | Won Choi over John Chavez | 6-2; 6-4 | |
| 09/03/12 | John Chavez over Won Choi | 6-4; 6-1 | |
| 10/09/11 | Won Choi over John Chavez | 10-5 | |
| 10/02/11 | Won Choi over John Chavez | 6-0; 6-4 |
