Head to Head
| Wales Championship South | 2019/09/07 13:30 | Undy Athletic v Haverfordwest County | L | 1-0 |
| Wales League Division 1 | 2019/04/30 17:30 | Undy Athletic v Haverfordwest County | D | 1-1 |
| Wales League Division 1 | 2018/10/27 13:30 | Haverfordwest County v Undy Athletic | W | 2-1 |
| Wales League Division 1 | 2017/12/30 14:00 | Undy Athletic v Haverfordwest County | W | 1-2 |
| Wales League Division 1 | 2017/09/09 13:30 | Haverfordwest County v Undy Athletic | W | 2-1 |
| Wales League Division 1 | 2017/04/29 13:30 | Haverfordwest County v Undy Athletic | W | 2-1 |
| Wales Cup | 2016/11/05 14:00 | Haverfordwest County v Undy Athletic | W | 3-2 |
| Wales League Division 1 | 2016/09/10 13:30 | Undy Athletic v Haverfordwest County | W | 2-3 |
Home History
| Wales Premier League | 2021/05/15 11:00 | Haverfordwest County v Cefn Druids | W | 2-0 |
| Wales Premier League | 2021/05/08 13:30 | Haverfordwest County v Newtown | L | 1-2 |
| Wales Premier League | 2021/05/04 18:45 | Aberystwyth v Haverfordwest County | D | 2-2 |
| Wales Premier League | 2021/05/01 13:30 | Flint Town Utd v Haverfordwest County | L | 2-0 |
| Wales Premier League | 2021/04/27 18:45 | Haverfordwest County v Cardiff MU | L | 0-2 |
| Wales Premier League | 2021/04/24 13:30 | Haverfordwest County v Flint Town Utd | D | 0-0 |
| Wales Premier League | 2021/04/20 18:45 | Cardiff MU v Haverfordwest County | L | 6-1 |
| Wales Premier League | 2021/04/17 16:15 | Newtown v Haverfordwest County | L | 5-1 |
Away History
| 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 |
| 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 |