| USA F33, Singles | 2018/11/18 16:05 | Tim Ruehl v Mercer, J | 6-3,6-0 |
| ITF USA F29 | 2018/10/26 18:00 | Valencia, Alejandro v Mercer, J | 6-4,7-5 |
| ITF USA F18 | 2018/06/25 14:00 | Arconada, Jordi v Mercer, J | 6-4,6-1 |
| ITF USA F18 | 2018/06/24 14:00 | Gore, Rico v Mercer, J | 1-6,1-6 |
| ITF M15 Champaign | 2019/06/04 15:00 | AL Allaf, Kareem v Zhang, Andrew | 6-3,6-1 |
| ITF M15 Champaign | 2019/06/03 15:00 | Zhang, Andrew v Harper, Cleeve | 6-1,6-7,10-2 |
| ITF USA F19B Qual | 2018/07/15 15:00 | Adamson, Alec v Zhang, Andrew | 6-2,6-2 |
| ITF USA F19B Qual | 2018/07/14 18:30 | Pickens, A.trice v Zhang, Andrew | 6-3,3-6,1-6 |
| ITF USA F14 | 2018/06/11 15:00 | Charles Broom v Zhang, Andrew | 6-3,7-5 |