Banbury Twenty 2nd had no answer to the bowling of Shannon Tubb, who took 9-21 to set up a nine-wicket win for leaders Great Brickhill.
Phil Densham (81) top-scored in the home side’s 142.
Arran Aris (80) and Chris Jones (43no) saw Brickhill home with ease.
Banbury XX 2nd 3pts, Brickhill 25.
Oxford Downs 2nd stay second after they saw off Cumnor 2nd by four wickets.
The visitors managed a respectable 216-6, thanks to Pete Burt's unbeaten 68, but Downs eased to a comfortable victory despite the best efforts of Julian Easterbrook (4-99).
Ox Downs 2nd 3, Cumnor 25.
Aston Rowant 2nd have not given up hope of catching Downs, but had to work hard for their latest win by two wickets at home to Kimble. Matt Needham was the difference between the sides as he took 7-35 to help dismiss the visitors for 124 and then hit an invaluable 31 in Rowant's reply.
Aston Rowant 2nd 25, Kimble 9.
An unbroken sixth-wicket stand between Jerry Senior (63no) and Simon Dickens (31no) saw Shipton-under-Wychwood 2nd to 203-5 at home to Princes Risborough.
Adam Morton's 41 kept the visitors in contention, but they finished 15 runs short with seven wickets down.
Shipton 2nd 13, P Risborough 8.
There was a thrilling finish at Stokenchurch, where the home side prevailed over Cropredy by nine runs.
Put in to bat, the hosts managed 245-5.
Edward Somerton (56) top-scored in Cropredy’s reply as they finished just short on 237 in the 58th over.
Stokenchurch 25, Cropredy 6.
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