Head to Head
| Wales Championship South | 2020/02/08 14:00 | Undy Athletic v Llantwit Major | W | 0-3 |
| Wales Championship South | 2019/10/05 13:30 | Llantwit Major v Undy Athletic | D | 1-1 |
| Wales League Division 1 | 2018/12/08 14:00 | Undy Athletic v Llantwit Major | L | 3-2 |
| Wales League Division 1 | 2018/09/01 13:30 | Llantwit Major v Undy Athletic | D | 1-1 |