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 Cup | 2021/09/04 13:00 | Penybont v Undy Athletic | L | 7-0 |
| Wales Championship South | 2021/08/28 13:30 | Pontypridd Utd v Undy Athletic | L | 5-1 |
| Wales Championship South | 2021/08/24 18:30 | Port Talbot v Undy Athletic | W | 0-5 |
| Wales Championship South | 2021/08/21 13:30 | Undy Athletic v Ammanford AFC | L | 1-8 |
| Wales Cup | 2021/08/13 17:45 | Undy Athletic v Chepstow Town | W | 3-0 |
| 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 |
Away History
| Wales Cup | 2021/09/04 13:00 | Monmouth Town v Llanelli Town | L | 3-0 |
| Wales Championship South | 2021/08/28 13:30 | Port Talbot v Llanelli Town | W | 0-6 |
| Wales Championship South | 2021/08/24 18:30 | Llanelli Town v Swansea University | D | 1-1 |
| Wales Championship South | 2021/08/20 18:30 | Llanelli Town v Carmarthen | W | 2-0 |
| Wales Championship South | 2021/08/13 18:30 | Llanelli Town v Pontypridd Utd | L | 0-4 |
| 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 |