Roger Federer - Steve Johnson live updates

FEDERER 6-3 6-3 7-5 JOHNSON: GAME, SET, MATCH! Federer serves and volleys successfully on the opening point. A whipped forehand winner edged the Swiss ahead before the American hits wide. Federer seals it on the first with an ace up the tee!

FEDERER 6-3 6-3 6-5 JOHNSON: A chair overrule on a Federer backhand proves successful as Federer goes 15-30 ahead. Johnson shanks a forehand to gift two break points and Federer gets it done as the American hits way wide. He will serve for the match!

FEDERER 6-3 6-3 5-5 JOHNSON: No problems for the Fed express. Some big serves and he holds to love in a flash.

FEDERER 6-3 6-3 4-5 JOHNSON: A bad miss on the forehand flank for Federer on the opening point and Johnson booms a forehand winner of his own. Federer nets a return before Johnson double faults. The American holds on and now Federer must serve to stay in the set.

FEDERER 6-3 6-3 4-4 JOHNSON: Federer races through a quick service game to level matters. Can he get the critical break?

FEDERER 6-3 6-3 3-4 JOHNSON: Johnson slips at the bet and Federer reacts well as hit shot comes off the tape. The American nets a really sloppy forehand to concede two break points. He saves the first with an ace and charges the net, rushing Federer to net. An ace edges him ahead but he badly shanks a backhand wide. He gets out of a hole to hold.

FEDERER 6-3 6-3 3-3 JOHNSON: Federer suddenly struggling on serve. He goes down 0-30 before a backhand finds the line. Federer flicks a forehand into the corner and holds a tough game after the American nets.

FEDERER 6-3 6-3 2-3 JOHNSON: Johnson nets to concede break point and the wildest of drive volley attempts flies wide as Federer breaks straight back!

FEDERER 6-3 6-3 1-3 JOHNSON: A backhand pass gives Johnson 15-30 and Federer hits wide to concede two break points. He saves the first with a nice half volley but Johnson breaks through with a big forehand winner. Game on!

FEDERER 6-3 6-3 1-2 JOHNSON: Johnson edges another tight game to 30 as Federer hits wide and long on the return.

FEDERER 6-3 6-3 1-1 JOHNSON: Still no joy on the Federer serve as the Swiss plants a smash into the crowd to hold to 15.

FEDERER 6-3 6-3 0-1 JOHNSON: A forehand winner gets Federer to deuce and he gains break point as Johnson nets a volley. Federer nets his chance and a big serve and lovely volley gets Johnson out of a hole.

FEDERER 6-3 6-3 JOHNSON: A lovely stop volley edges Federer ahead 30-15 but Johnson responds with an unorthodox backhand sliced pass. Federer seals the set with an ace.

FEDERER 6-3 5-3 JOHNSON: Federer has Johnson wobbling at 30-30 but the Swiss then hits a forehand pass and return long as the American holds. Federer will serve for the set.