The 26-year-old is inside the Top 40 after his Hamburg title.
Four-time Olympic gold medalist driven by one tennis goal.
Grand Slam king unfazed by Nadal closing gap.
Andy Murray trades shots with soccer star Wayne Rooney.
Trio of former standouts named as three-head DC captain.
Spanish Fed Cup captain will close curtain on playing career.
A pair of former champions are looking to catch fire on the U.S. hardcourts.
