A Mateusz Klich goal on the stroke of half-time proved the solitary difference between promotion-chasing Leeds and battling Boro at the Riverside.
Jonathan Woodgate’s side were unrecognisable from the side which had lost to Luton and Barnsley - but they were unable to breakdown Leeds despite some good spells of pressure.
Boro set the tone from the off with a return to the energetic pressing that had been a feature of the successful spell over the Christmas period when picking up four successive wins.
Leeds found it difficult to get out of their half at times, but when they did, they showed their threat. Patrick Bamford squandered a header which Aynsley Pears was able to save comfortably, and the former Boro man also shot wide from a Jack Harrison cross.
Boro were unable to create the same danger at the other end, but Lewis Wing did shoot wide after Hayden Coulson led a quick counter and Ashley Fletcher held the ball up well. Marcus Tavernier also sent a shot wide after a good spell of pressure from Boro.
Pears was the busier of the two keepers and after saving from Klich, he made another good save to deny Bamford.
But the Boro goalkeeper could do little with Leeds’ opener. Pablo Hernandez rattled the inside of the post and the ball swiftly found itself at the feet of Klich who delivered a terrific strike.
Pears again saved well after the break when Hernandez delivered a wicked swerving effort.
Boro did enjoy more spells of pressure, but Leeds were well organised in defence and looked solid. The closest Woodgate’s side came was when Tavernier had Kiko Casilla beaten with a curling left foot shot, but he was denied by the woodwork.
Boro also had good claims for a penalty with three minutes to go when a Wing free-kick struck the arm of Stuart Dallas, but referee Gavin Ward was unmoved by the appeals.