Head to Head
| England FA Trophy | 2020/11/04 19:45 | Merstham v Carshalton Ath | W | 1-3 |
| England Isthmian Premier Division | 2019/12/21 15:00 | Carshalton Ath v Merstham | D | 1-1 |
| England Isthmian Premier Division | 2019/05/02 18:45 | Carshalton Ath v Merstham | L | 1-2 |
| England Isthmian Premier Division | 2019/01/19 15:00 | Carshalton Ath v Merstham | L | 1-2 |
| England Isthmian Premier Division | 2018/09/29 14:00 | Merstham v Carshalton Ath | L | 2-0 |