Head to Head
| 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 |
Home History
| Wales Championship South | 2019/09/28 13:30 | Briton Ferry v Llantwit Major | W | 2-4 |
| Wales Championship South | 2019/09/20 18:30 | Cwmamman United v Llantwit Major | W | 1-3 |
| Wales Championship South | 2019/09/14 13:30 | Llantwit Major v Swansea University | L | 2-3 |
| Wales Championship South | 2019/09/07 13:30 | Llantwit Major v Afan Lido | L | 1-2 |
| Wales Championship South | 2019/08/31 13:30 | Llantwit Major v Ammanford AFC | L | 1-3 |
| Wales Championship South | 2019/08/26 13:30 | Cwmbran Celtic v Llantwit Major | W | 0-2 |
| Wales Championship South | 2019/08/24 13:30 | Llantwit Major v STM Sports | W | 3-2 |
| Wales Championship South | 2019/08/17 13:30 | Cambrian United v Llantwit Major | L | 2-1 |
Away History
| Wales Championship South | 2019/09/28 13:30 | Undy Athletic v Cwmamman United | W | 2-0 |
| Wales Championship South | 2019/09/21 13:30 | Swansea University v Undy Athletic | L | 4-2 |
| Wales Championship South | 2019/09/14 13:30 | Undy Athletic v Ammanford AFC | L | 1-2 |
| Wales Championship South | 2019/09/07 13:30 | Undy Athletic v Haverfordwest County | W | 1-0 |
| Wales Championship South | 2019/08/31 13:30 | Undy Athletic v Taffs Well | W | 4-2 |
| Wales Championship South | 2019/08/27 18:00 | STM Sports v Undy Athletic | L | 2-1 |
| Wales Championship South | 2019/08/24 13:30 | Undy Athletic v Cambrian United | L | 0-1 |
| Wales Championship South | 2019/08/17 13:30 | Afan Lido v Undy Athletic | W | 0-1 |