Llantwit Major slipped to their first defeat of the new Cymru South campaign, losing 3-1 to Trefelin BGC.
Ben Stait's side took the lead on 27 minutes through Josh Morgan - the in-form centre forward has scored four goals in all competition so far this season, including all three of Llantwit's league games.
But veteran Lee Trundle hit back for the hosts with two quick goals in just three minutes midway through the second half.
The ex-Swansea City marksman turned provider as Roan Piper added a third for Trefelin on 76 minutes.
Llantwit sit 10th in the table with one win, one defeat and one draw to their name, as attention turns to next weekend's Bank Holiday double header - starting with a visit to Afan Lido next Friday, followed by a home clash against near neighbours Taffs Well on Monday.
JD Cymru South - Friday night results
Caerau Ely 1-2 Newport City
Cambrian United 0-0 Afan Lido
Goytre United 3-3 Pontypridd United
Llanelli Town 1-1 Carmarthen Town
Trefelin BGC 3-1 Llantwit Major
Trethomas Bluebirds 3-0 Taffs Well
Sports clubs secure energy saving funding
Young Bombers reach Plate last eight
Bombers beat Bears in Vale derby
Ten-man Barry beaten by Cofis
Barry beaten in seven-goal thriller
Barry bounce back with derby win
Barry go out of Adran Trophy
Battling Barry miss out on MG Cup final
