Michael Russell serves to Sam Querrey during a match at the Citi Open tennis tournament, Tuesday, July 29, 2014, in Washington. (AP Photo/Nick Wass)

Citi Open Tennis

Michael Russell serves to Sam Querrey during a match at the Citi Open tennis tournament, Tuesday, July 29, 2014, in Washington. (AP Photo/Nick Wass)

Top Ranked Players
More Rankings