TENNIS ace Andy Murray has a secret date with his ex Kim Sears - just three months after they split.Andy, 22, gave blonde student Kim, 21, a lingering kiss after a late breakfast of sausage sandwiches at a cafe.A witness said: "They kissed each other as they said goodbye. It was a lingering kiss on the lips. A full-on snog, not a friend's kiss."He looked like he didn't want to be recognised. He had a hat and his coat pulled up round his chin."The pair spent nearly an hour together at the cafe on Wimbledon Common, South West London.