A tearful Naomi Osaka retired injured and US Open champion Emma Raducanu fell at the first hurdle as the top women's players continued their preparations for Flushing Meadows at the Toronto Open on Tuesday.
News of the pending retirement of Serena Williams overshadowed proceedings at the tune-up for the year's final Grand Slam but there were no shortage of first-round upsets for fans to enjoy, including one by local Bianca Andreescu.
