KEY RESULTS

Men’s singles 1st round Sam Querrey (USA) bt Borna Coric (CRO x25) 6-3, 6-4, 64; Guido Pella (ARG x22) bt John-Patrick Smith (AUS) 63, 7-5, 6-4; Marton Fucsovics (HUN) bt Denis Shapovalov (CAN x13) 6-3, 6-7 (7/9), 6-1, 7-6 (7/3); Grigor Dimitrov (BUL x18) bt Juan Ignacio Londero (ARG) 4-6,

6-2, 6-0, 6-4; Daniel Evans (GBR x30) bt Mackenzie McDonald (USA) 3-6, 4-6, 61, 6-2, 6-3; Yoshihito Nishioka (JPN) bt Laslo Djere (SRB) 6-4, 3-6, 6-2, 76 (7/1); Roger Federer (SUI x3) bt Steve Johnson (USA) 6-3, 6-2, 6-2; Stefanos Tsitsipas (GRE x6) bt Salvatore Caruso (ITA) 6-0, 6-2, 6-3; Philipp Kohlschreiber (GER) bt Marcos Giron (USA) 7-5, 6-1, 6-2; Novak Djokovic (SRB x2) bt Jan-Lennard Struff (GER) 7-6 (7/5), 6-2, 2-6, 6-1.

Women’s singles 1st round Ekaterina Alexandrova (RUS x25) bt Jil Teichmann (SUI) 6-4, 4-6, 6-2; Barbora Krejcikova (CZE) bt Kaia Kanepi (EST) 7-6 (7/3), 2-6, 6-3; Paula Badosa (ESP) bt Johanna Larsson (SWE) 6-1, 6-0; Petra Kvitova (CZE x7) bt Katerina Siniakova (CZE) 6-1, 6-0; Naomi Osaka (JPN x3) bt Marie Bouzkova (CZE) 6-2, 6-4; Sofia Kenin (USA x14) bt Martina Trevisan (ITA) 6-2, 6-4; Caroline Wozniacki (DEN) bt Kristie Ahn (USA) 6-1, 6-3; Serena Williams (USA x8) bt Anastasia Potapova (RUS) 6-0, 6-3; Ashleigh Barty (AUS x1) bt Lesya Tsurenko (UKR) 5-7, 61, 6-1; Coco Gauff (USA) bt Venus Williams (USA) 7-6 (7/5), 6-3; Caty McNally (USA) bt Samantha Stosur (AUS) 6-1, 6-4; Zhang Shuai (CHN) bt Sloane Stephens (USA x24) 2-6, 7-5, 6-2