Scott Rendell's controversial late penalty ensured Wycombe remain unbeaten on the road as they shaded a seven-goal thriller with Rotherham 4-3.
Wycombe stunned the hosts by romping into a two-goal lead after just 18 minutes.
The first came after nine minutes when Johnny Mullins chested the ball down for his keeper, but the ball went straight to Kevin Betsy lurking by the post and he just could not miss.
Nine minutes later the visitors doubled their lead, Matt Bloomfield turning past two defenders before unleashing a powerful shot which gave Andy Warrington no chance.
Rotherham pulled one back five minutes later when Mullins and Tom Pope linked up to set up Adam Le Fondre for his 12th of the season.
And after 39 minutes Rotherham were level when Nicky Law's quick free-kick was driven home from the edge of the box by Jason Taylor and Law should have put Rotherham in front three minutes later, but he incredibly shot wide from six yards out.
Rotherham were made to pay, Ben Strevens curling a shot wide of Warrington in first-half stoppage time after Betsy's first effort was blocked.
After Bloomfield thumped a shot against the Rotherham upright, Rotherham equalised from the penalty spot in the 67th minute. Chris Westwood fouled Exodus Geohaghon and Le Fondre netted number 13 from the spot.
But a second penalty after 82 minutes handed victory to Wycombe.
Referee Peter Quinn pointed to the spot after Betsy appeared to slip and his assistant seemed to support Rotherham's protests, but after a lengthy discussion between the two officials the penalty was given and substitute Rendell made no mistake to condemn Rotherham to their first home defeat of the season.
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