Frances Tiafoe and Ben Shelton will team up in the doubles draw at this week's Citi Open, and the world No. 11 has joked that his teammate thinks he's a D.C. local.

Venus Williams is paired with Reilly Opelka, and Wimbledon runner-up Amanda Anisimova is joined by Holger Rune on Monday’s updated list of teams that have signed up to try to enter the ...