Sherrock can still climb into the world's top 64 with a strong showing at the World Championship, but she was in a philosophical mood about her prospects of competing on the Pro Tour circuit next term. However, Noppert's exploits should not come as a great surprise. The Dutchman boasts plenty of pedigree, having reached a Lakeside final and a major PDC final, at the World Series Finals in 2019. Other tennis stars including Serena Williams, Naomi Osaka and Novak Djokovic are among those worried over her whereabouts. The Grand Slam champion suffered a health scare in Gibraltar last week, almost collapsing due to his diabetes, and he was not particularly convincing in his first-round win over Glen Durrant.