Head to Head includes singles and doubles results.
| 08/17/21 | Sean Xu over Mark McAlexander | 10-4 | |
| 08/08/21 | Mark McAlexander over Sean Xu | 6-2; 4-6; 6-4 | |
| 06/17/21 | Sean Xu over Mark McAlexander | 6-1; 4-6; 6-4 | |
| 05/31/21 | Sean Xu over Mark McAlexander | 5-7; 7-5; 4-0 |
