HRH Princess Beatrice at the Necker Cup 2013 charity event with Ana Ivanovic . (I do believe her boyfriend Dave Clark is there as well.) The Necker cup is 4 night 5 day event one of largest tennis games where tennis pros play for a charitable cause. Tennis pros like Rafael Nadal, Ana Ivanovic, Stefan Edberg, Daniela Hantuchova, Martina Navratilova, Petra Kvitova and more. A portion of Event Profits and 100% of all Auction proceeds go to Virgin Unite, The National Tennis Foundation, and other leading charities. on the final night, after the ATP Player’s Exhibition, for the “End of the World” Awards Dinner, Auction and Party. Relax, grab a drink and make a difference in the world by bidding on the exclusive tennis travel experiences and select items. Last years event raised $1,000,000.00.