| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2023 | 4/3 | 3/2 | 0/0 | 1/1 | 0/0 | 0/0 | 0/0 |
| 2022 | 4/6 | 1/2 | 1/1 | 2/3 | 0/0 | 0/0 | 0/0 |
| 2021 | 1/1 | 0/0 | 0/0 | 1/1 | 0/0 | 0/0 | 0/0 |
| 2019 | 1/2 | 1/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2018 | 2/3 | 0/0 | 1/2 | 1/1 | 0/0 | 0/0 | 0/0 |
| TOTAL | 12/15 | 5/5 | 2/4 | 5/6 | 0/0 | 0/0 | 0/0 |
| perc. % | 44.44 % | 50 % | 33.33 % | 45.45 % | 0 % | 0 % | 0 % |
J Mercer / Fixtures
| no matches found |
J Mercer form / year 2022
J Mercer / year 2022
| 16.11.22 | 1st round | Patrick Fletchall | J Mercer | 6-4, 6-4 |  | match details |  M15 East | I. hard |
| 15.11.22 | qual. | Jeremy Schifris | J Mercer | 6-2, 6-1 | | match details | ||
| 14.11.22 | q 2 | J Mercer | Jan Koupil | 6-4, 7-64 |  | match details | ||
| 13.11.22 | q 1 | J Mercer | Stefan Menichella | 2-6, 6-2, 10-3 | | match details | ||
| 07.11.22 | q 1 | Jody Maginley | J Mercer | 7-5, 4-6, 10-7 | | match details | M15 Winston | I. hard |
| 31.07.22 | q 1 | Alafia Ayeni | J Mercer | 3-6, 6-2, 6-4 | | match details | Lexington Challenger | Hard |
| 12.07.22 | qual. | Christian Lakoseljac | J Mercer | 6-3, 6-2 | | match details | M15 Pittsburgh | Clay |
| 11.07.22 | q 1 | J Mercer | Daniel Milavsky | 6-4, 6-4 | | match details | ||
| 21.06.22 | qual. | Presley Thieneman | J Mercer | 6-3, 6-4 | | match details | M15 South | Hard |
| 20.06.22 | q 1 | J Mercer | Benedict Horn-Bourque | 6-0, 6-1 | | match details |
