Head to Head
| Wales Championship South | 2019/12/28 14:00 | Cwmbran Celtic v Undy Athletic | W | 0-3 |
| Wales League Division 1 | 2019/05/04 13:30 | Cwmbran Celtic v Undy Athletic | L | 4-0 |
| Wales League Division 1 | 2019/03/16 13:00 | Undy Athletic v Cwmbran Celtic | W | 2-1 |
| Wales League Division 1 | 2018/04/04 17:30 | Undy Athletic v Cwmbran Celtic | W | 2-1 |
| Wales League Division 1 | 2017/10/14 13:30 | Cwmbran Celtic v Undy Athletic | L | 3-2 |
| Wales League Division 1 | 2017/02/11 14:00 | Cwmbran Celtic v Undy Athletic | L | 2-0 |
| Wales League Division 1 | 2016/09/24 13:30 | Undy Athletic v Cwmbran Celtic | W | 1-0 |
Home History
| 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 |
| 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 |
Away History
| Wales Championship South | 2019/12/28 14:00 | Cwmbran Celtic v Undy Athletic | L | 0-3 |
| Wales Championship South | 2019/12/07 14:00 | Llantwit Major v Cwmbran Celtic | W | 1-2 |
| Wales Championship South | 2019/11/30 14:30 | Swansea University v Cwmbran Celtic | L | 2-1 |
| Wales Championship South | 2019/11/16 14:00 | Cwmbran Celtic v Taffs Well | W | 2-0 |
| Wales Championship South | 2019/11/02 14:30 | STM Sports v Cwmbran Celtic | D | 0-0 |
| Wales Championship South | 2019/10/12 13:30 | Afan Lido v Cwmbran Celtic | D | 1-1 |
| Wales Championship South | 2019/10/05 13:30 | Cwmbran Celtic v Haverfordwest County | L | 0-1 |
| Wales Championship South | 2019/09/27 18:30 | Llanelli Town v Cwmbran Celtic | L | 1-0 |