An unbeaten performance from Wychwood's first pair of Rachel Henderson and Stephanie Prew led them to a 5-3 victory away to North Oxford B in Ladies Division 1 of the 3-Pair League.
Henderson and Prew did not drop a set, while Wychwood's success was secured when the second string of Sally Tolson and Judith Ryan won two and drew one of their matches.
In Divison 2, Oxford Sports B's strength in depth told at they triumphed 6-3 at home to Banbury.
The visitors' first pair of Charlotte Smith and Kelly Hazelwood were unbeaten, with two wins and a draw, but could not stop their side losing.
Norham Gardens' second pair of Peter Mann and Ben Davis stole the show in their 2-1 victory at Bicester in Men's Division 1 of the 2-Pair League.
Mann and Davis won both their matches, while Norham's top pair of Craig Naylor and Sam Shadbolt could manage only a draw and a defeat.