(1)Olmos/Arevalo v L.Chan/Nys
H.Chan/Venus v Ostapenko/Vega Hernandez
(wc)Fourlis/Saville v Mirza/Bopanna
(6)Perez/Heliovaara v Melichar-Martinez/Middelkoop
(3)Krawczyk/Skupski v Hunter/Peers
Zhang/Haase v (wc)Parnaby/Harris
Flipkens/Roger-Vasselin v Townsend/Murray
(5)Schuurs/Mektic v (wc)Stosur/Ebden
(7)Rosolska/Rojer v (wc)Inglis/Kubler
Danilina/Nedovyesov v Mladenovic/Cabral
(wc)Birrell/Hijikata v L.Kichenok/Escobar
(4)Shibahara/Koolhof v (wc)Gadecki/Polmans
(8)Dabrowski/Purcell v Yang/Zielinski
(wc)Cabrera/Smith v Zimmermann/Puetz
(wc)X.Han/Zhang v Stefani/Matos
(2)Pegula/Krajicek v Mattek-Sands/Pavic
H.Chan/Venus v Ostapenko/Vega Hernandez
(wc)Fourlis/Saville v Mirza/Bopanna
(6)Perez/Heliovaara v Melichar-Martinez/Middelkoop
(3)Krawczyk/Skupski v Hunter/Peers
Zhang/Haase v (wc)Parnaby/Harris
Flipkens/Roger-Vasselin v Townsend/Murray
(5)Schuurs/Mektic v (wc)Stosur/Ebden
(7)Rosolska/Rojer v (wc)Inglis/Kubler
Danilina/Nedovyesov v Mladenovic/Cabral
(wc)Birrell/Hijikata v L.Kichenok/Escobar
(4)Shibahara/Koolhof v (wc)Gadecki/Polmans
(8)Dabrowski/Purcell v Yang/Zielinski
(wc)Cabrera/Smith v Zimmermann/Puetz
(wc)X.Han/Zhang v Stefani/Matos
(2)Pegula/Krajicek v Mattek-Sands/Pavic