Off Track ..... Ivanovic steering clear of friend Novak

Women's top seed Ana Ivanovic is refusing to practice with fellow Serbian tennis player Novak Djokovic at the Olympics because of memories of a childhood knock-up with him which cost her victory in a tournament.

Ivanovic, 20, grew up close to men's world No 3 Djokovic in Belgrade and their families were close friends.

As soon as they began playing tennis they began bumping into each other at the same competitions and knocking up together.