Head to Head includes singles and doubles results.
| 10/01/17 | Bob Calabro over Thomas Trotter | 6-3; 6-2 | |
| 02/01/14 | Bob Calabro over Thomas Trotter | 10-8 | |
| 10/13/13 | Bob Calabro over Thomas Trotter | 10-8 | |
| 09/30/13 | Bob Calabro over Thomas Trotter | 10-3 | |
| 08/20/13 | Bob Calabro over Thomas Trotter | 6-3; 6-3 | |
| 07/10/13 | Thomas Trotter over Bob Calabro | 6-0; 7-5 | |
| 09/03/12 | Bob Calabro over Thomas Trotter | 10-7 |
