Cannock conquered Slazenger England League Men's Premier champions and current table-toppers Reading and ended the Berkshire side's unbeaten record in front of their own supporters on Saturday.
The battle of the giants was won 2-0 by Cannock who remain joint second with East Grinstead, six points behind Reading.
Invariably, both teams win their away fixture against each other and it was particularly satisfying for Cannock who had drawn the previous match against relegation candidates Hampstead & Westminster.
Both goals came in the second half through Stuart Pilgrim and Simon Ramsden.
Olton's run in the Women's Cup came to an end yesterday in the quarter-finals after a narrow 4-3 defeat to Bowdon Hightown.
Tina Cullen, one of the country's most consistent goalscorers, completed her hat-trick with a 57th-minute winner for Hightown.
Another noted goalscorer, Denise Marston-Smith, scored a hat-trick for Olton in the first half. Leicester beat Old Loughtonians 1-0 with a 72nd-minute golden goal.
In the Men's Cup quarter-finals, Beeston beat Holcombe 3-1 to reach the last four.
On Saturday, Birmingham University increased their lead of Men's National North by four points, thanks to their nearest rivals Doncaster and Stourport drawing 2-2.
The University beat Formby 4-0 with top scorer Alexander Penney claiming one of the goals to take his season's tally to 25.
Stephen Edmonds, Robert Schilling and Michael Pearson were also on target for the students.
Stourport let slip a 2-0 lead at home to Doncaster after Phil Lashford and John Mumford had scored in the opening 12 minutes.
Leek moved to within two points of Stour-port following a 3-1 win at Barford Tigers while Telford & Wrekin lost 3-1 to Sheffield Hallam Civica.
In Division One, Bournville beat relegation candidates Guildford 2-0 with goals from Tom Rowland and Jed Kiddle Morris either side of half time.
In the women's leagues, Premier and Division One clubs had a rest day but Cannock went on a scoring spree to defeat Sheffield Hallam 6-0 and bolster their commanding nine-point lead of National North.
They began at top speed and within the first quarter of the match led 4-0. Lucy Spencer scored two goals and went on to get a hat-trick. Eleanor Watton, Georgina Twigg and Claire Stewardson were the other scorers.
Aldridge beat bottom side Bedford 2-0 with second-half goals from Ellie Keating and Helen Parr. n Harborne lost their long-held leadership of the BodyKraft Midland League on Saturday after defeat to title rivals Chesterfield.
Chestefield won 3-1 to move two points clear at the top of the table.
The match might well turn out to be the title decider as there are only three matches remaining and both sides still have bottom team Bridgnorth to play.
The day provided some unexpected results in the Midlands Premier.
Third-placed Olton lost 3-2 at home to Worcester and dropped to fourth with Coventry & North Warwick overtaking them after defeating Nottingham 2-0.
Olton went ahead through Ian Armstrong but missed many scoring opportunities, both before the interval when the score was 1-1 and in the second half when Worcester went 3-1 ahead. Nick Jones scored Olton's second goal.
Two of the bottom three sides were victorious. Bridgnorth gained their fourth win by defeating Lichfield 2-1 and are equal with Nottingham. West Bridgford pulled eight points ahead of them with a 3-0 win at Sutton Coldfield and followed yesterday with a 4-0 defeat of the Shropshire side.
Unbeaten Khalsa are assured of playing in the Premier Division next season after defeating Warwick 4-2. They lead Northampton Saints and Edgbaston by nine points.
The Saints were the only real threat to Khalsa's hopes of the title but they were held 2-2 by Rugby & East Warwick who, with the Saints and Edgbaston 4-0 victors at Nottingham University are in with a chance of promotion.