Ddefending champions Nuffield Bar edged to a 5-4 win against Ladies Section 1 side Florence Park Community Centre B.
Kim Ledbury and Paulette Guy gave the Premier outfit a 2-0 lead.
And although the visitors pulled one back when Lin Mason defeated Hazel Prowton, Ruth Stockwell made it 3-1.
The Section 1 outfit closed the gap to 3-2 when Sue Simmonds beat Pat Newman, only for Megan Curtis to defeat Dawn Allsopp and make it 4-2.
Nuffield held on, despite Florence Park winning the pairs 2-1.
Florence Park Community Centre A crushed East Oxford Community Centre 7-2.
The hosts went 3-0 up with wins from Tina Hamilton, Clare Bywaters and Angie Pointin.
Tracy Davis cut the deficit against Natalie Creed-Roberts, but home captain, Michelle Ewins, made it 4-1.
Although East Oxford clawed one back when Teresa Bowden saw off Jo Gleed, a 3-0 pairs win saw Florence Park ease home.
Quarry Gate D hammered Section 2 rivals Nuffield Lounge 7-2.
But they did it the hard way, Tracy Freeman giving Nuffield the lead when she saw off Lorraine Dalton.
Quarry hit back with wins from Nicola Slay, Anne Francis, Sam Walton, Lorna Stubbs and Sam Co giving them a 5-1 lead. A 2-1 pairs win sealed it.
Gladiators Social Club A their Section 3 match at the Prince Of Wales when wins from Olga Critchley and Tina Walton gave them a 2-0 lead.
However, Jill Riordan and Jacquie Hogg saw Prince of Wales level.
Wins from Emily Nowland and Lydia Harper gave Galdiators a 4-2 lead and a 2-1 pairs success saw them home 6-3.
l ENTRIES for the summer competitions must be in by this Sunday.
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