女單14位有一半覆滅，七位晉級第二輪，人數最多的中國僅朱琳獲勝，哈薩克則僅有
復出的Shvedova落敗。
男單戰況慘烈，僅有一位Bublik獲勝，九位落敗。
亞洲男女單總計有八位晉級第二輪。
女單
朱琳 Lin Zhu (CHN) def. Whitney Osuigwe (USA) (Q) 6-1 6-1
日比野菜緒 Nao Hibino (JPN) def. Astra Sharma (AUS) (WC) 2-6 6-3 7-5
Yulia Putintseva (KAZ) (26) def. Sloane Stephens (USA) 4-6 6-2 6-3
謝淑薇 Su-Wei Hsieh (TPE) def. Tsvetana Pironkova (BUL) (Q) 7-5 6-2
Zarina Diyas (KAZ) def. Tamara Zidansek (SLO) 6-2 7-5
大坂直美 Naomi Osaka (JPN) (3) def. Anastasia Pavlyuchenkova (RUS) 6-1 6-2
Elena Rybakina (KAZ) (17) def. Vera Zvonareva (RUS) 4-6 6-4 6-4
Barbora Krejcikova (CZE) def. 鄭賽賽 Saisai Zheng (CHN) 6-3 2-6 6-2
Donna Vekic (CRO) (28) def. 王雅繁 Yafan Wang (CHN) 4-6 6-3 6-4
Sara Errani (ITA) (Q) def. 王薔 Qiang Wang (CHN) (30) 2-6 6-4 6-4
Anna Karolina Schmiedlova (SVK) (LL) def. 日比万葉 Mayo Hibi (JPN) (Q) 7-6 6-4
Ann Li (USA) def. 張帥 Shuai Zhang (CHN) (31) 6-2 6-0
Camila Giorgi (ITA) def. Yaroslava Shvedova (KAZ) 6-3 6-3
Ajla Tomljanovic (AUS) def. 土居美咲 Misaki Doi (JPN) 6-2 6-1
男單
Alexander Bublik (KAZ) def. Aljaz Bedene (SLO) 6-4 7-5 5-7 6-4
Reilly Opelka (USA) def. 盧彥勳 Yen-Hsun Lu (TPE) 6-3 7-6 6-3
Pedro Martinez (ESP) def. 西岡良仁 Yoshihito Nishioka (JPN) 6-7 6-1 6-1 6-1
Maxime Cressy (USA) (Q) def. Taro Daniel (JPN) (LL) 7-6 7-6 6-4
Dominic Thiem (AUT) (3) def. Mikhail Kukushkin (KAZ) 7-6 6-2 6-3
Ugo Humbert (FRA) (29) def. 內山靖崇 Yasutaka Uchiyama (JPN) 6-3 6-4 6-7 6-3
Pablo Carreno Busta (ESP) (15) def. 錦織圭 Kei Nishikori (JPN) 7-5 7-6 6-2
Bernard Tomic (AUS) (Q) def. 杉田祐一 Yuichi Sugita (JPN) 3-6 6-1 4-1 ret.
Thanasi Kokkinakis (AUS) (WC) def. 權純雨 Soonwoo Kwon (KOR) 6-4 6-1 6-1
Ricardas Berankis (LTU) def. Sumit Nagal (IND) (WC) 6-2 7-5 6-3