Second division Oakwood trounced first division Sidley United 6-2 in the Sussex RUR Cup.
Hosts Oakwood led 4-1 at half time thanks to goals from Gerald Manville (two), Gary Bidwell and Mark Holmes.
Shae Spreafico pulled one back for Sidley before Adam Day missed a penalty in first-half stoppage time.
After the interval, Day made amends with his second spot kick but further Oakwood goals from Zak Newman and substitute Phil Marsh completed the shock win.
East Grinstead won 3-1 at Hailsham Town.
The hosts went a goal up when Nick Barden struck on 20 minutes but substitute Kris Trevor marked his return to the club from Three Bridges by levelling on 50 minutes.
Trevor set up Adam Dart for the second on 70 minutes before Dave Gellatly headed a third.
In the John O'Hara League Cup, Eastbourne Town came from a goal down to beat visiting East Preston 4-1.
Matt Huckett gave EP the lead at half time but Town levelled on 55 minutes when Lee Walsh's deflected volley found the net and went on to win the game thanks to goals from Matt Smith, Gary Brock-well and Eddie Kaboa.
In the Brighton Charity Cup, Pagham won 7-6 on penalties at home to second division Saltdean.
The visitors appeared to be heading for victory thanks to Adam Burton's 17th of the season on 22 minutes. However, Stewart MacIntosh levelled a minute from the end of normal time and after a goalless extra 30 minutes Pagham took it on penalties when Saltdean's Paul Clarke struck the bar.
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