The Murray serve kicked intotopgear in the closing stages and, with the watching Federer and Rafael Nadal getting a taste of the atmosphere inside the arena, the Scot broke again with a backhand winner to secure an impressive win in two hours 10 minutes.
Chennai unlike many of its rivals who lost only fringe Sri Lankan players has overcome a couple of early shocks to retake its accustomed spot near the top of the table, while Bangalore, powered by Kohli and Gayle, is also starting to click intogear.