Kukushkin直落三打敗今年被傷患困擾的鄭泫，和錦織圭雙雙晉級第三輪，
兩人將分別與Millman和Schwartzman交手。
女單Osaka聯同昨天的王薔晉級第三輪，
她將對壘Sasnovich，後者第二輪直落二打敗Kasatkina。
男雙在澳網闖進四強的McLachlan組合爆冷首輪止步。
男單第二輪﹕
[21] 錦織圭 (JPN) def. G. Monfils (FRA) 62 54 ret.
M. Kukushkin (KAZ) def. [23] 鄭泫 (KOR) 76(5) 62 63
女單第二輪﹕
[20] N. Osaka (JPN) def. J. Glushko (ISR) 62 60
謝淑薇 (TPE)[29] D. Cibulkova (SVK) def. 謝淑薇 (TPE) 76(3) 46 64
[5] P. Kvitova (CZE) def. 王雅繁 (CHN) 75 63
男雙第一輪﹕
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
女雙第一輪﹕
[4] 徐一璠/Dabrowski (CHN/CAN) def. Arruabarrena/Voracova (ESP/CZE) 62 67(5) 61
詹詠然/Azarenka (TPE/BLR) def. Bogdan/Putintseva (ROU/KAZ) 64 46 64
韓馨蘊/Olaru (CHN/ROU) def. Maria/Watson (GER/GBR) 63 63
Broady/Collins (GBR/USA) def. [16] 加藤未唯/二宮真琴 63 64
Mattek-Sands/Safarova (USA/CZE) def. Diyas/鄭賽賽 (KAZ/CHN) 63 76(5)
[13] Barty/Vandeweghe (AUS/USA) def. 王薔/王雅繁 (CHN/CHN) 63 60
混雙第一輪﹕
張帥/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