From my side it should be Chris Evert
11000 times approx...
92 times a day
The tennis ball needs to have a very good bounce so that the player can hit it most times it comes to them it also needs to be firm
it is recommended for a tennis player to spend two hours continously playing tennis a day. but for pros, they normally practise two times a day.
Nobody won the Wimbledon Tournement six times in a row, but Bjorn Borg and Roger Federer won it five years in a row, and that's the world record.