Top 5 photos, September 16: Federer in Geneva; Mertens wins in Osaka

From the continuation of the Asian swing to team competition news, there was plenty going on around the tennis world on Monday. Here are the Top 5 photos from the busy day.

The third edition of the Laver Cup will begin on Friday in Geneva and Roger Federer is wasting no time with his preparation. The 20-time major champion, set to play his first event since losing to Grigor Dimitrov in five sets at the US Open, practiced with Team Europe Vice Captain Thomas Enqvist. Federer had revealed experiencing back and neck pain following his defeat to Dimitrov.

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Australians Pat Rafter, John Newcombe, Ken Rosewall and Lleyton Hewitt took part in the draw ceremony for the 2020 ATP Cup, a team event that will feature 24 nations competing across three cities. It spans 10 days and features group stages in Brisbane, Sydney and Perth, with Sydney hosting the knockout portion of the competition. Every member of the ATP's current Top 10 has committed to playing.

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Elise Mertens dispatched lucky loser Whitney Osuigwe, 6-3, 6-1, to win her opener in Osaka. The Belgian won 25 of her 27 first serve points in the 63-minute victory and now awaits the winner of Garbine Muguruza and Hsieh Su-wei.

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Aidan McHugh, British Davis Cup captain Leon Smith and Jamie Murray held a clinic with children from Whiteinch Primary School at the Scotstoun Leisure Centre. The three are in Glasgow for the ATP Challenger event, named the Murray Trophy in honor of Jamie and brother Andy Murray. Jamie, coming off his third successive US Open mixed doubles title, is playing doubles this week alongside John-Patrick Smith.

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Anastasia Pavlyuchenkova cruised into the second round of the WTA Premier event in Osaka, dismissing Dayana Yastremska, 6-3, 6-1, in the pair's first meeting. Pavlyuchenkova reached the final two years ago, losing to Caroline Wozniacki when the tournament was staged in Tokyo.

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