Kukushkin直落三打败今年被伤患困扰的郑泫，和锦织圭双双晋级第三轮，
两人将分别与Millman和Schwartzman交手。
女单Osaka联同昨天的王蔷晋级第三轮，
她将对垒Sasnovich，后者第二轮直落二打败Kasatkina。
男双在澳网闯进四强的McLachlan组合爆冷首轮止步。
男单第二轮﹕
[21] 锦织圭 (JPN) def. G. Monfils (FRA) 62 54 ret.
M. Kukushkin (KAZ) def. [23] 郑泫 (KOR) 76(5) 62 63
女单第二轮﹕
[20] N. Osaka (JPN) def. J. Glushko (ISR) 62 60
谢淑薇 (TPE)[29] D. Cibulkova (SVK) def. 谢淑薇 (TPE) 76(3) 46 64
[5] P. Kvitova (CZE) def. 王雅繁 (CHN) 75 63
男双第一轮﹕
Sharan/Sitak (IND/NZL) def. Redlicki/Zhu (USA/USA) 64 64
Chardy/Martin (FRA/FRA) def. Paes/Cerretani (IND/USA) 63 64
Berrettini/Seppi (ITA/ITA) def. [12] McLachlan/Struff (JPN/GER) 76(5) 16 64
[5] Cabal/Farah (COL/COL) def. Istomin/Nedunchezhiyan (UZB/IND) 63 62
女双第一轮﹕
[4] 徐一璠/Dabrowski (CHN/CAN) def. Arruabarrena/Voracova (ESP/CZE) 62 67(5) 61
詹咏然/Azarenka (TPE/BLR) def. Bogdan/Putintseva (ROU/KAZ) 64 46 64
韩馨蕴/Olaru (CHN/ROU) def. Maria/Watson (GER/GBR) 63 63
Broady/Collins (GBR/USA) def. [16] 加藤未唯/二宫真琴 63 64
Mattek-Sands/Safarova (USA/CZE) def. Diyas/郑赛赛 (KAZ/CHN) 63 76(5)
[13] Barty/Vandeweghe (AUS/USA) def. 王蔷/王雅繁 (CHN/CHN) 63 60
混双第一轮﹕
张帅/Peers (CHN/AUS) def. [6] Schuurs/Middelkoop (NED/NED) 46 63 10-8
[7] Srebotnik/Venus (SLO/NZL) def. Siegemund/Bopanna (GER/IND) 64 64
Groenefeld/Gonzalez (GER/MEX) def. Atawo/Qureshi (USA/PAK) 63 62
Gauff/Eubanks (USA/USA) def. [3] 詹皓晴/Kontinen (TPE/FIN) 64 64