Head to Head includes singles and doubles results.
| 05/25/19 | Marvin Smith over Giao Nguyen | 7-5; 6-1 | |
| 10/30/18 | Giao Nguyen over Marvin Smith | 10-9 | |
| 10/31/18 | Marvin Smith over Giao Nguyen |
3-6; 6-3; TB 10-4 |
|
| 11/29/17 | Giao Nguyen over Marvin Smith | 6-4; 6-3 | |
| 11/08/17 | Marvin Smith over Giao Nguyen | 0-6; 6-3; 7-6 | |
| 11/01/17 | Marvin Smith over Giao Nguyen |
3-6; 6-4; TB 10-6 |
|
| 08/03/16 | Marvin Smith over Giao Nguyen | 6-3; 6-3 | |
| 10/30/15 | Giao Nguyen over Marvin Smith | 6-0; 6-1 | |
| 08/24/15 | Giao Nguyen over Marvin Smith | 10-3 |
