Headline acts: Names in the frame for Centre Court coronations

SERVING IT UP: Rafael Nadal returns from a practice session ahead of the 2022 Wimbledon Championship at the All England Lawn Tennis and Croquet Club, Wimbledon. Pic: John Walton/PA Wire.

Ashleigh Barty's retirement means there will be no defending champion in what remains a wide open women's field, while Novak Djokovic bids for a fourth successive men's singles title and seventh overall.

Serena Williams