Head to Head includes singles and doubles results.
| 05/03/11 | Gottfried Emmerich ties Marco Bonilla | 1-1 Tie | |
| 05/24/10 | Marco Bonilla over Gottfried Emmerich | 6-2; 6-3 | |
| 05/10/10 | Gottfried Emmerich over Marco Bonilla | 6-2; 6-4 | |
| 04/06/10 | Gottfried Emmerich over Marco Bonilla |
5-7; 6-3; TB 10-7 |
