Head to Head
| Wales Championship South | 2019/11/15 19:30 | Llanelli Town v Undy Athletic | D | 2-2 |
| Wales League Division 1 | 2018/02/24 14:00 | Llanelli Town v Undy Athletic | W | 0-1 |
| Wales League Division 1 | 2017/11/11 14:00 | Undy Athletic v Llanelli Town | L | 1-2 |
Home History
| Wales Championship South | 2021/08/10 18:30 | Afan Lido v Undy Athletic | L | 4-2 |
| Wales League Cup | 2021/08/06 18:00 | Undy Athletic v Swansea University | W | 6-4 |
| Wales Championship South | 2021/07/31 13:30 | Goytre United v Undy Athletic | L | 2-1 |
| Wales Championship South | 2021/07/27 18:00 | Trefelin BGC v Undy Athletic | L | 4-1 |
| Wales Championship South | 2021/07/23 18:00 | Undy Athletic v Cambrian United | L | 2-3 |
| Wales Championship South | 2020/03/06 19:30 | Pontypridd Utd v Undy Athletic | L | 3-0 |
| Wales Championship South | 2020/02/11 19:30 | Taffs Well v Undy Athletic | L | 2-1 |
| Wales Championship South | 2020/02/08 14:00 | Undy Athletic v Llantwit Major | L | 0-3 |
Away History
| Wales Championship South | 2021/08/10 18:30 | Llanelli Town v Trefelin BGC | D | 3-3 |
| Wales League Cup | 2021/08/07 13:30 | Barry Town v Llanelli Town | L | 5-0 |
| Wales Championship South | 2021/07/30 18:30 | Afan Lido v Llanelli Town | W | 1-2 |
| Wales Championship South | 2021/07/27 18:30 | Risca United v Llanelli Town | D | 1-1 |
| Wales Championship South | 2021/07/23 18:30 | Llanelli Town v Ammanford AFC | L | 0-3 |
| Wales League Cup | 2021/07/16 18:45 | Llanelli Town v Newport County | W | 5-0 |
| Wales League Cup | 2020/12/11 19:30 | Llanelli Town v Llantwit Major | L | 1-2 |
| Wales Championship South | 2020/03/06 19:30 | Llanelli Town v Llantwit Major | W | 1-0 |