Barty, only the second Australian woman after Evonne Goolagong Cawley over 40 years ago to be No. 1 in the world, said the most pleasure she has had in her new status is when she speaks to her niece back in Australia.
Simon O'Malley, headmaster at Thomas's Battersea, previously said: "We are delighted that the Duke and Duchess of Cambridge have decided that Princess Charlotte will join her elder brother, Prince George, at Thomas's Battersea".
Federer said that the lesson was pretty basic. "At that stage it's all about just touching the ball, it's already good".
"I don't know. I'm actually working on Olympia's game", she said referring to her one-year-old daughter.More news: Rain in today's forecast - Welcome to
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A delicious flicked forehand and an ace soon snuffed out the threat and Federer, competing in a record 21st Wimbledon, went on to comfortably seal the opening set inside 28 minutes.
"I had to have my running shoes on", Barty said as she came off court.
When asked how the sessions had gone, Federer was complimentary about George, saying he had a "good swing". I didn't sleep too well the night before I played Noah [Rubin in a first-round singles match], but hopefully she understands why I did it.
"Obviously I was just aware she was there at the start, as the chair umpire informed me". The 20-year-old Clarke handed Federer matchpoint with a double fault and the 20-times Grand Slam champion wrapped up the contest when the Briton sent a backhand wide. In the 2017 BBC documentary Sue Barker: Our Wimbledon, the Duchess confessed, "I have watched Wimbledon, that was very much part of my growing up".