Welcome back to the Evening Standard’s live coverage of the US Open.
Sunday was full of drama as Novak Djokovic sensationally retired with injury during his clash with Stan Wawrinka.
The Serbian was booed by the crowd after succumbing to a shoulder injury while two sets down to the Swiss and is out of the tournament he won last year.
Roger Federer had no such trouble, easing past David Goffin 6-2, 6-2, 6-0, while Serena Williams also secured a straight sets victory.
Stay tuned to Standard Sport for live coverage of the action from Flushing Meadows.
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Arthur Ashe Stadium
17:00: (3) Roger Federer (Swi) 6-2, 6-2, 6-0 (15) David Goffin (Bel), (8) Serena Williams (USA) 6-2, 6-4 (22) Petra Martic (Cro), (5) Elina Svitolina (Ukr) 7-5, 6-4 (10) Madison Keys (USA), (1) Novak Djokovic (Ser) ret. 4-6, 5-7, 1-3 (23) Stan Wawrinka (Swi)
Louis Armstrong Stadium
16:00: (18) Qiang Wang (Chn) 6-2, 6-4 (2) Ashleigh Barty (Aus), (16) Johanna Konta (Gbr) 6-7, 6-3, 7-5 (3) Karolina Pliskova (Cze), (9) Nicole Melichar (USA) & Kveta Peschke (Cze) v Cori Gauff (USA) & Catherine McNally (USA), Dominik Koepfer (Ger) v (5) Daniil Medvedev (Rus)
Grandstand
16:00: Alexa Guarachi (Chi) & Bernarda Pera (USA) v Caroline Dolehide (USA) & Vania King (USA), Grigor Dimitrov (Bul) 7-5, 6-3, 6-4 Alex De Minaur (Aus), Anna Kalinskaya (Rus) & Yulia Putintseva (Kaz) v Shuai Peng (Chn) & Alicja Rosolska (Pol), (8) Marcel Granollers (Spa) & Horacio Zeballos (Arg) v (10) Rajeev Ram (USA) & Joe Salisbury (Gbr)
