Wheldrake and Melbourne provided the league's third tie in as many weeks.
The division three clash saw Melbourne's Tim Stephenson make a valuable 49 as they struggled to 131-7 - Neil Thurlow was the pick of the Wheldrake attack with 3-29.
Trevor Wills, Nigel Chadwick and Simon Newbury were the only Wheldrake batsmen to make an impression against John Chaplin and Ian Underwood, Newbury just failing to make his ground from the game's last ball going for an improbable run.
Burton Salmon amassed 212-3 against Copmanthorpe, Adrian Davies making an unbeaten 67 as Copmanthorpe wilted in the heat.
Steve Purdy top-scored for Copmanthorpe with 43 and a late 33 from David Hughes advanced the score to 158, but four wickets for Lewis and three to Colin Driscoll ensured Burton Salmon took maximum points to move out of the bottom two.
Leaders North Duffield, hampered by the seasonal call of harvesting, slipped to a 50 run defeat at Ben Johnson.
A half-century for Neil Drew and seven wicket haul for Darren Snowden were the highlights of the game for the winners.
Ovington's lead at the top of division five was trimmed by Drax, who won by four wickets.
Ovington openers Dean Wharton and A Fletcher raced to 60 from the first eight overs before Joyce removed Wharton for 28.
Fletcher went on to reach 52 before being run out from a direct throw by Andy King who was fielding on the boundary.
Danny Potter scored 26 as Ovington just managed maximum batting points.
Bob Wrigglesworth and Ian Goulden set Drax on their way with 35 each before Dodds slowed things with four wickets to leave the game was evenly balanced.
John Smith's 40 left Steve Goulden and King to win the match from the last ball.
Having reached 80 without loss, Thorpe Willoughby slipped to 120-9 against Wistow. Wistow fared even worse reaching just 73 and dropped to third place.
York were let off the hook at Selby where a last wicket partnership of 41 between Bob Hobson and 13-year-old Jack Hulse saw them recover from 88-9 to 129 all out, Chris Jeffries taking 6-50.
Selby's John Parkin stood firm while wickets fell at the other end to a series of rash strokes and good catches, and spinner Pervez Akhtar tweaked his way to 5-26 in York's 47-run victory.
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