ildcard Thanasi Kokkinakis at Miami OpenYellow or green: Roger Federer’s comment on tennis balls’ colour adds fuel to fireThis was Roger Federer at his hard-to-beat best, a performance so unlike the pair of uncomfortable five-setters he labored through to begin the U. The elder Zverev first broke into the top 100 in 2007 but a series of injuries, wrist, ribs and knee, left him in limbo. In short, the quality of the foreign coaches/technical/directors/advisors is not to blame. As the tempo picked up after the interval, Aaron Ramsey pushed further forward and had one shot tipped over and another diverted wide by keeper Heinz Lindner. Federer’s head-to-head record against Kohlschreiber is 11-0. Rohit was rested for the tour and his Mumbai buddy filled in the opening slot superbly, collecting the Man of the Series award. “I know that ranking and draw is irrelevant,” he said. Another American advanced when 20th-seeded CoCo Vandeweghe outlasted 2012 Wimbledon finalist Agnieszka Radwanska 7-5, 4-6, 6-4. ”Federer improved to 13-0 against Lopez and 33-1 in night matches at Flushing Meadows, so perhaps the lopsided nature of this shouldn’t be all that surprising. I congratulate him and I wanted to jump up and applaud him because I love to see technique like that.