Shots of the day: Seeds slip & slide

With four tournaments on the go, it’s been a busy old day in the world of tennis. But while some of the biggest names proved up to the task, there were plenty that fell short in their opening matches. These are the best photos of the last 24 hours.

: Garbine Muguruza was a 6-2 6-0 winner over Kayla Day. Photo: Getty Images

: Wimbledon champion Muguruza will be looking to avoid a dip in form following her second Slam title. Photo: Getty Images

: Gael Monfils was stunned in three sets by qualifier Yuki Bhambri 6-3 4-6 7-5. Photo: Getty Images

: Alexander Zverev was pushed all the way by Aussie Jordan Thompson, eventually getting the win 4-6 6-3 7-6(5). Photo: Getty Images

: Madison Keys was a 3-6 6-2 6-3 winner over Caroline Dolehide. Photo: Getty Images

: Nick Kyrgios was forced to retire from his match at the Citi Open while trailing Tennys Sandgren 6-3 3-0. Photo: Getty Images

: Kayla Day serves to Muguruza. Photo: Getty Images

: Grigor Dimitrov had to dig deep during his 7-5 4-6 6-3 win over Kyle Edmund. Photo: Getty Images

: Wildcard Sebastian Ofner was a surprise 6-3 2-6 7-6(3) winner over top seed Pablo Cuevas in Kitzbuhel. Photo: Getty Images

: It was stunning day in Kitzbuhel. Photo: Getty Images

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