Head to Head includes singles and doubles results.
| 02/18/15 | Ryan Harrison over Khanh Nguyen | 7-6; 7-6 | |
| 10/13/14 | Ryan Harrison over Khanh Nguyen | 6-4; 6-4 | |
| 08/05/14 | Khanh Nguyen over Ryan Harrison | 3-6; 7-5; 6-1 | |
| 07/08/14 | Khanh Nguyen over Ryan Harrison | 2-6; 6-4; 6-4 | |
| 03/13/14 | Khanh Nguyen over Ryan Harrison |
4-6; 7-6; TB 10-6 |
|
| 12/30/13 | Ryan Harrison over Khanh Nguyen | 2-6; 6-3; 7-5 | |
| 11/12/13 | Khanh Nguyen over Ryan Harrison | 6-3; 7-5 | |
| 10/15/13 | Khanh Nguyen over Ryan Harrison | 3-6; 6-1; 6-1 | |
| 08/05/13 | Khanh Nguyen over Ryan Harrison | 7-6; 6-2 |
