Leaders Oxford Community Church slipped to a 2-1 defeat against North Oxford in the only RT Harris Oxford City FA fixture to beat the weather.
Mark Hume fired North into the lead in the clash at Oxford Brookes University Westminster Institute of Education, before Ashley Richards' superb drive increased their advantage.
Darren Anderson pulled one back on the stroke of half time, but North keeper Gerry Allen made some outstanding saves after the break to preserve their lead.
Five matches in the Witney & District FA survived the torrential rain.
Paul Cladingboel hit a hat-trick as Wootton Sports eased their relegation fears in Division 2 with a 5-1 thrashing of West Witney Res.
Simon Davies and Steve Brooks completed Wootton's tally, with Chris Beechy grabbing a consolation for West.
Chadlington Res missed out on the chance to go top of Division 3 as they went down 3-2 to Eynsham A.
Joel Floyd (2) and Dan Everett netted for Eynsham, with Simon Catling bagging a brace for Chadlington.
The North Berks League programme was also decimated by waterlogging, with just four games taking place
In Division 1, Marcham went down 3-1 at home to Sutton Courtenay, with Stephen Madge, Damon Griffiths and Scott Ollif doing the damage.
In the League Cup second round, Sutton Courtenay Res beat Marcham Res in a thrilling penalty shoot-out after the tie finished 4-4 after extra time.
Lee Jones (2), Wayne Bolton and an own goal making up Sutton's tally, with Chris Sparks (3) and Leighton Jackson replying.
In the only Lord Jersey FA match to take place, Mat Thatcher struck twice as Finmere upset Islip 2-1 in the Mid Oxon Cup first round.
Other scorers
Witney & District FA - Division 2: Witney Royals (M Hoddy pen), Aston 1 (J Garner). Division 3: Kingham AB Res 4 (T Edginton, M Yates, R French, J Tanswell), Spartan Rgrs Res 6 (C Halkett 2, C Baker, P Maycock, D Aston, S Jenkins). Division 4: Ducklington A 3 (S Carvey, A Finch, S Halliday), Witney Royals 4 (I Hayes, N Hayes, A Tyrell, M Sheldon).
North Berks League - Division 3: Wootton 2 (S Evans 2), Hagbourne Utd 1 (N Hewett). Division 4: Warborough Res 5 (P Churchyard 2, A Wellman, D Cannon, S Bayliss), Radley 3.
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