Head to Head
| 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 | W | 3-2 |
| Wales League Division 1 | 2018/09/01 13:30 | Llantwit Major v Undy Athletic | D | 1-1 |
Home History
| Wales Championship South | 2020/01/25 14:30 | Cwmamman United v Undy Athletic | L | 2-1 |
| Wales Championship South | 2020/01/18 14:00 | Undy Athletic v Swansea University | L | 0-2 |
| Wales Championship South | 2020/01/11 14:30 | Ammanford AFC v Undy Athletic | L | 2-1 |
| Wales Championship South | 2020/01/04 14:00 | Undy Athletic v Cwmbran Celtic | W | 2-1 |
| Wales Championship South | 2019/12/28 14:00 | Cwmbran Celtic v Undy Athletic | W | 0-3 |
| Wales Championship South | 2019/12/14 14:30 | Cambrian United v Undy Athletic | L | 2-1 |
| Wales Championship South | 2019/11/30 14:30 | Undy Athletic v Afan Lido | W | 5-3 |
| Wales Championship South | 2019/11/15 19:30 | Llanelli Town v Undy Athletic | D | 2-2 |
Away History
| Wales Championship South | 2020/02/01 14:00 | Llantwit Major v Pontypridd Utd | L | 0-1 |
| Wales Championship South | 2020/01/25 14:00 | Llantwit Major v Briton Ferry | L | 0-2 |
| Wales Championship South | 2020/01/11 14:30 | Swansea University v Llantwit Major | D | 1-1 |
| Wales Championship South | 2020/01/04 14:00 | Llantwit Major v Taffs Well | W | 3-2 |
| Wales Championship South | 2019/12/28 14:30 | Taffs Well v Llantwit Major | W | 1-2 |
| Wales Championship South | 2019/12/17 19:30 | Goytre United v Llantwit Major | D | 1-1 |
| Wales Championship South | 2019/12/14 14:30 | STM Sports v Llantwit Major | L | 3-0 |
| Wales Championship South | 2019/12/07 14:00 | Llantwit Major v Cwmbran Celtic | L | 1-2 |