Wimbledon's latest of many steps into the modern era involves choosing technology over the human touch to decide whether a ball lands in or out.

Wimbledon players and spectators have been hit by record-breaking Day 1 heat as the temperature rose to 91 degrees Fahrenheit — 33 Celsius — at the oldest Grand Slam tournament.

Wimbledon is replacing line judges with electronic line-calling to mark the latest step into the modern age by the oldest Grand Slam tennis tournament.

Wimbledon’s total prize money fund will rise to a record 50 million pounds, which is about $64 million.

Roger Federer will be back on Centre Court at Wimbledon on Tuesday.

The All England Club is appealing a fine levied by the WTA women’s professional tennis tour for banning Russian and Belarusian players from tournaments in Britain because of the war in Ukraine.