Former world No 1 blames the roofs being closed, saying grass becomes ‘more slippery’ and causes injuries
Wimbledon’s slippery grass has been a long recurring theme, with Serena Williams and Andy Murray famously taking tumbles.
Novak Djokovic, 37, has become the latest player to fall foul of the surface after he slipped and ended up doing the splits during his fourth-round match on Monday.