第一天出戰的十女五男中，種子均取得勝利，有五女二男獲得晉級。
女單 WOMEN'S SINGLES
王薔 Q. Wang (CHN) [18] def. C. Dolehide (USA) 6-4 6-4
張帥 S. Zhang (CHN) [33] def. V. Golubic (SUI) 6-2 6-1
朱琳 L. Zhu (CHN) def. 王欣瑜 X. Wang (CHN) 6-3 6-4
彭帥 S. Peng (CHN) def. V. Lepchenko (USA) 6-2 7-6(5)
謝淑薇 S. Hsieh (TPE) [29] def. J. Cepelova (SVK) 6-4 5-7 6-3
A. Barty (AUS) [2] def. Z. Diyas (KAZ) 1-6 6-3 6-2
V. Williams (USA) def. 鄭賽賽 S. Zheng (CHN) 6-1 6-0
M. Keys (USA) [10] def. 土居美咲 M. Doi (JPN) 7-5 6-0
K. Muchova (CZE) def. E. Rybakina (KAZ) 6-4 6-4
男單 MEN'S SINGLES
錦織圭 K. Nishikori (JPN) [7] def. M. Trungelliti (ARG) 6-1 4-1 RET.
西岡良仁 Y. Nishioka (JPN) def. M. Giron (USA) 3-6 6-4 6-4 6-4
R. Federer (SUI) [3] def. S. Nagal (IND) 4-6 6-1 6-2 6-4
D. Medvedev (RUS) [5] def. P. Gunneswaran (IND) 6-4 6-1 6-2
H. Dellien (BOL) def. 權純雨 S. Kwon (KOR) 6-3 6-4 2-6 2-3 RET.