WALLINGFORD lost 29-5 at leaders Marlow in Southern Counties North.
James Norris crossed for an unconverted try for the south Oxon side.
In South West 1 East, Grove earned a four-try bonus point in losing 37-25 at Maidenhead.
In the Premier, Abingdon remain without a win after losing 17-12 at Crowthorne.
Adam Thompson scored 17 points as Didcot 2nd beat Hungerford 2nd 37-12 in BB&O Division 4 South.
Thompson (3), Andrew Clelland, Daniel Merritt, John Madley and Craig Phillips all went over.
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