When a strange sound interrupts Andy Murray on break point, the Scotsman takes offense.
Keep up with all the action from a busy day of quarterfinal action with the Tennis Now U.S. Open Live Blog!
"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.