Want lessons from Federer, Serena or Nadal's tennis coaches?

Want a tennis lesson from coaches who work with Serena Williams, Novak Djokovic, Rafael Nadal or Roger Federer? Or how about from a former coach and player such as Ivan Lendl, Boris Becker or Goran Ivanisevic?

Bidding is open from Monday through June 29 for a fundraising auction organised by the ATP and ATP Coach Programme to...