QPR maintained their unbeaten start to the Championship season after dispatching fellow pacesetters Ipswich Town 3-0 at Portman Road.
Two first-half goals from Jamie Mackie and a 68th minute penalty from Heidar Helguson completed an impressive evening's work for Neil Warnock's in-form side.
Second-placed Cardiff City slipped to a surprising 2-1 defeat at Leicester City after an Andy King brace turned around a game which the Welsh club had led through Lee Naylor.
Portsmouth remain rock-bottom after going down 4-1 at home to Crystal Palace.
On-loan Everton striker James Vaughan put the winless former Premier League club to the sword with a hat-trick.
Leeds United were also on the wrong end of a humbling scoreline after losing 5-2 at Yorkshire rivals Barnsley.
Doncaster Rovers are up to fourth following a 3-1 victory over Norwich City with James Coppinger helping himself to a treble.
Hull City's upward momentum continued after they won 2-0 against Derby County at the KC Stadium.
Bristol City went down 2-0 at home to Watford, while Millwall and Reading played out a goalless draw at the New Den.
Nottingham Forest's six-match wait for a first victory of the new season is over after Billy Davies' side had two-goal Lewis McGugan to thank for a narrow 2-1 win at Preston North End.
Scunthorpe United showed no signs of missing Southampton-bound manager Nigel Adkins as they routed Sheffield United 4-0 at Bramall Lane.
In the evening's final fixture, Swansea edged out Coventry City 2-1 at the Liberty Stadium.