Alcaraz, threatening to dominate Wimbledon in much the same way as predecessors Bjorn Borg, Pete Sampras, Roger Federer and Djokovic, continues his title defence with an intriguing semi-final against big-serving Fritz.

Alcaraz's tennis is so often a highlight reel but on grass, he does his most devastating work in the negative spaces of points.

Former top-10 player Fabio Fognini announced his retirement from professional tennis on Wednesday at Wimbledon, where he lost to Carlos Alcaraz in a five-setter on Day 1 of the tournament last week. The 38-year-old Italian pushed two-time defending champion Alcaraz for more than 4 1/2 hours before coming out on the wrong end of the 7-5,