KRAJICEK USA/PEGULA USA[1] vs TSITSIPAS GRE/BADOSA ESP
VAVASSORI ITA/SAMSONOVA vs MATOS BRA/STEFANI BRA
CASH GBR/BARNETT GBR(W) vs MEKTIC CRO/PERA USA
GILLE BEL/加藤未唯 JPN vs PAVIC CRO/KICHENOK UKR[7]
KOOLHOF NED/FERNANDEZ CAN[4] vs MARTIN FRA/詹皓晴 TWN
O'MARA GBR/NICHOLLS GBR(W) vs ROGER-VASSELIN FRA/FLIPKENS BEL
RUUSUVUORI FIN/KONTAVEIT EST(W) vs KRAWIETZ GER/楊釗煊 CHN
NYS MON/SIEGEMUND GER vs EBDEN AUS/PEREZ AUS[5]
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ROJER NED/柴原瑛菜 JPN[8] vs GLASSPOOL GBR/BURRAGE GBR(W)
MIDDELKOOP NED/SUTJIADI INA vs GONZALEZ MEX/STRYCOVA CZE
VENUS NZL/ANDREESCU CAN(W) vs AREVALO ESA/KOSTYUK UKR
MURRAY GBR/TOWNSEND USA vs ZIELINSKI POL/MELICHAR-MARTINEZ USA[3]
BOPANNA IND/DABROWSKI CAN[6] vs DODIG CRO/詹詠然 TWN
LAMMONS USA/OLMOS MEX vs SALISBURY GBR/WATSON GBR(W)
PEERS AUS/HUNTER AUS vs DE MINAUR AUS/BOULTER GBR(W)
VLIEGEN BEL/徐一璠 CHN vs SKUPSKI GBR/KRAWCZYK USA[2]