Head to Head
| Wales Championship South | 2019/09/28 13:30 | Undy Athletic v Cwmamman United | L | 2-0 |
| Wales League Cup | 2019/08/03 13:30 | Undy Athletic v Cwmamman United | W | 6-7 |
| Wales League Division 1 | 2019/04/24 17:30 | Undy Athletic v Cwmamman United | L | 3-1 |
| Wales League Division 1 | 2018/08/11 13:30 | Cwmamman United v Undy Athletic | L | 3-5 |
| Wales League Division 1 | 2018/05/01 18:30 | Cwmamman United v Undy Athletic | W | 2-0 |
| Wales League Division 1 | 2018/02/17 14:00 | Undy Athletic v Cwmamman United | L | 3-1 |
Home History
| Wales Championship South | 2020/01/10 19:30 | Cwmamman United v Briton Ferry | L | 0-6 |
| Wales Championship South | 2019/12/27 19:30 | Ammanford AFC v Cwmamman United | L | 3-1 |
| Wales Championship South | 2019/11/30 14:30 | Cwmamman United v STM Sports | L | 0-2 |
| Wales Championship South | 2019/11/23 14:30 | Swansea University v Cwmamman United | W | 2-3 |
| Wales Championship South | 2019/11/16 14:30 | Afan Lido v Cwmamman United | L | 7-0 |
| Wales Championship South | 2019/11/01 19:30 | Llanelli Town v Cwmamman United | L | 1-0 |
| Wales Championship South | 2019/10/05 13:30 | Cwmamman United v Caerau Ely | W | 4-2 |
| Wales Championship South | 2019/09/28 13:30 | Undy Athletic v Cwmamman United | L | 2-0 |
Away History
| 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 |
| Wales Championship South | 2019/10/05 13:30 | Llantwit Major v Undy Athletic | D | 1-1 |