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"For now I will train without a coach," two-time Wimbledon champion said.
Former No. 1 hits the ring to punch past anger management.
The Swiss maestro weighs in on his love for the mountains and how he's missing the U.S. Open in a special interview with the ATP.
The 24-year-old Czech lobbed some praise in the direction of he vaunted sisters on Monday in New York.
"In the end, do you think I'm stupid?" says US Open semifinalist.
World No. 2 reveals one simple change that's contributed to her rise.