No. 9 John Isner — vs. Daniel Smethurst, Tuesday.
q-Ryan Harrison — lost to No. 11 Grigor Dimitrov.
Steve Johnson — lost to No. 27 Roberto Bautista Agut.
Bradley Klahn — vs. Sam Querrey, Tuesday.
q-Denis Kudla — vs. Marsel Ilhan, Tuesday.
q-Alex Kuznetsov — lost to No. 16 Fabio Fognini.
Sam Querrey — vs. Bradley Klahn, Tuesday.
Michael Russell — vs. Julian Reister, Tuesday.
Jack Sock — vs. Pierre-Hugues Herbert, Tuesday.
Donald Young — lost to Benjamin Becker.
No. 1 Serena Williams — vs. Anna Tatishvili, Tuesday.
No. 18 Sloane Stephens — lost to Maria Kirilenko.
No. 30 Venus Williams — def. Maria-Teresa Torro-Flor.
Lauren Davis — def. Alisa Kleybanova.
q-Victoria Duval — vs. No. 29 Sorana Cirstea, Tuesday.
Madison Keys — vs. Monica Puig, Puerto Rico, Tuesday.
Vania King — lost to Yvonne Meusburger.
Varvara Lepchenko — vs. Tsvetana Pironkova, Tuesday.
Christina McHale — vs. Chanelle Scheepers, Tuesday.
Alison Riske — vs. No. 26 Anastasia Pavlyuchenkova, Tuesday.
Anna Tatishvili — vs. No. 1 Serena Williams, Tuesday.
w-Taylor Townsend — vs. No. 31 Klara Koukalova, Tuesday.
CoCo Vandeweghe — def. No. 27 Garbine Muguruza.
Receive your weekly recap of all the happenings around the world of sports.