Head to Head includes singles and doubles results.
| 05/19/21 | Adrian Harrison over Tatsu Tanaka | 6-3; 4-6; 6-4 | |
| 02/12/21 | Adrian Harrison over Tatsu Tanaka | 6-1; 6-2 | |
| 06/03/19 | Adrian Harrison over Tatsu Tanaka | 4-6; 6-4; 6-2 | |
| 04/17/19 | Tatsu Tanaka over Adrian Harrison | 3-6; 6-4; 6-3 | Playoff Match |
| 01/15/19 | Adrian Harrison over Tatsu Tanaka | 6-4; 6-3 | |
| 11/01/18 | Adrian Harrison over Tatsu Tanaka | 4-6; 6-4; 6-4 | |
| 10/26/18 | Tatsu Tanaka over Adrian Harrison | 6-3; 4-6; 6-2 |
