Former Australian star John Alexander says a weakness in Novak Djokovic's serve could be exploited at Wimbledon | Daily Telegraph
![Team America's Guillermo Vilas und Team Australia's John Alexander am Netz, handshake, International Tennis Challenge, Aust.vs TheAmerica's1976, Kooyong Lawn Tennis Club, MelbourneTennis - International Tennis Challenge, Aust.vs The America's1976 - Melbo Team America's Guillermo Vilas und Team Australia's John Alexander am Netz, handshake, International Tennis Challenge, Aust.vs TheAmerica's1976, Kooyong Lawn Tennis Club, MelbourneTennis - International Tennis Challenge, Aust.vs The America's1976 - Melbo](https://m.psecn.photoshelter.com/img-get2/I0000GB2voTsi96c/fit=1000x750/John-Alexander-Guillermo-Vilas-Challenge1976-20200508-276056.jpg)
Team America's Guillermo Vilas und Team Australia's John Alexander am Netz, handshake, International Tennis Challenge, Aust.vs TheAmerica's1976, Kooyong Lawn Tennis Club, MelbourneTennis - International Tennis Challenge, Aust.vs The America's1976 - Melbo
![Rob (Robert) Keating on Twitter: "Meanwhile over at the Parliament House tennis courts. John Alexander, Peter Khalil and Josh Frydenberg took on the media. #auspol #tennis https://t.co/UWPBsWWzxr" / Twitter Rob (Robert) Keating on Twitter: "Meanwhile over at the Parliament House tennis courts. John Alexander, Peter Khalil and Josh Frydenberg took on the media. #auspol #tennis https://t.co/UWPBsWWzxr" / Twitter](https://pbs.twimg.com/media/C4lM4wGUMAAqp98.jpg)
Rob (Robert) Keating on Twitter: "Meanwhile over at the Parliament House tennis courts. John Alexander, Peter Khalil and Josh Frydenberg took on the media. #auspol #tennis https://t.co/UWPBsWWzxr" / Twitter
![John Alexander, International Tennis Challenge, Aust.vs TheAmerica's1976, Kooyong Lawn Tennis Club, MelbourneTennis - International Tennis Challenge, Aust.vs The America's1976 - Melbourne - Grand Slam / ATP / WTA - Kooyong Lawn Tennis John Alexander, International Tennis Challenge, Aust.vs TheAmerica's1976, Kooyong Lawn Tennis Club, MelbourneTennis - International Tennis Challenge, Aust.vs The America's1976 - Melbourne - Grand Slam / ATP / WTA - Kooyong Lawn Tennis](https://m.psecn.photoshelter.com/img-get2/I0000xOCUctojXxM/fit=1000x750/John-Alexander-Tennis-Challenge1976-19761229-276027.jpg)
John Alexander, International Tennis Challenge, Aust.vs TheAmerica's1976, Kooyong Lawn Tennis Club, MelbourneTennis - International Tennis Challenge, Aust.vs The America's1976 - Melbourne - Grand Slam / ATP / WTA - Kooyong Lawn Tennis
![Tennis NSW Open at White City Semi-Finals. John Alexander NSW vs... Fotografía de noticias - Getty Images Tennis NSW Open at White City Semi-Finals. John Alexander NSW vs... Fotografía de noticias - Getty Images](https://media.gettyimages.com/id/1079203396/es/foto/tennis-nsw-open-at-white-city-semi-finals-john-alexander-nsw-vs-sammy-giammalva-usa-john.jpg?s=612x612&w=gi&k=20&c=i4FmZExXt2AyTLKkIVgPTI474EQbWc48G2jTtHLJdHk=)