• Like many trends, it owes to a combination of factors. Some of it is simple probability. Tennis no longer has the outliers of Serena Williams, Roger Federer and Rafael Nadal (and Andy Murray).

Raducanu has enjoyed some positive results since linking up with the former British number one on an informal basis in March.

Iga Swiatek reached the Wimbledon semifinals for the first time with a 6-2, 7-5 victory over 19th-seeded Liudmila Samsonova ...