Grand slams permit less time between a change of ends due to TV demands and it is a source of unrest in the locker room
Efficiency will be a watchword at Wimbledon this year, from the speed of the ball kids to the pace at which the ground staff get the covers on the court and – more controversially – the time given for players to rest at the changeovers after every two games.
In an age when TV executives are looking for the sport to be speeded up, in part due to the perceived shorter attention of younger viewers, many players are concerned that they are being unnecessarily hurried, particularly as, by common consent, the sport has become more physical than ever.