PEGULA USA / KRAJICEK USA [1] vs SIEGEMUND GER / GILLE BEL
SINIAKOVA CZE / MELO BRA vs MATTEK-SANDS USA / MURRAY GBR (W)
MATEAS USA / MCDONALD USA (W) vs MONTGOMERY USA / MICHELSEN USA (W)
詹皓晴 TWN / GLASSPOOL GBR vs PEREZ AUS / ROJER NED [5]
STEFANI BRA / SALISBURY GBR [4] vs TOWNSEND USA / SHELTON USA
SUTJIADI INA / BOPANNA IND vs ZVONAREVA / MIES GER
詹詠然 TWN / DODIG CRO vs OLMOS MEX / PUETZ GER
DABROWSKI CAN / LAMMONS USA vs SCHUURS NED / NYS MON [7]
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楊釗煊 CHN / KRAWIETZ GER [8] vs KICHENOK UKR / ZIELINSKI POL
HUNTER AUS / PEERS AUS vs STRYCOVA CZE / GONZALEZ MEX
STEARNS USA / RAM USA vs 柴原瑛菜 JPN / PAVIC CRO
COLLINS USA / HARRISON USA (W) vs 謝淑薇 TWN / AREVALO ESA [3]
MELICHAR-MARTINEZ USA / EBDEN AUS [6] vs DANILINA KAZ / HELIOVAARA FIN
GAUFF USA / SOCK USA (W) vs PARKS USA / KUDLA USA (W)
KRUEGER USA / QUINN USA (W) vs MUHAMMAD USA / WITHROW USA (W)
徐一璠 CHN / VLIEGEN BEL vs KRAWCZYK USA / SKUPSKI GBR [2]