Novak Djokovic vs Daniil Medvedev second set tiebreak | Australian Open 2019 R4 - YouTube
Australian Open: Roger Federer, Angelique Kerber cautious about new fifth tie-break rule
How Are Ties Broken in Tennis? That Depends - The New York Times
Australian Open announces switch to final-set tie-breaks for 2019 tournament | Australian Open | The Guardian
Australian Open introduces tie-break deciders to end epic final sets
Australian Open 2019: heat and tie-break rule changes – explained | Australian Open 2019 | The Guardian
Australian Open introduces final set tie-break | Tennis Square
Federer, Kerber cautious on new Australian Open tie-break rule - tennis - Hindustan Times
Federer escapes elimination at the Australian Open in a super tie break - Teller Report
Australian Open: Final-set tie-breaks to be used in 2019 - BBC Sport
Australian Open: Federer, Kerber cautious on new tie-break rule
Australian Open: Final-set tie-breaks to be used in 2019 - BBC Sport
/origin-imgresizer.eurosport.com/2018/10/12/2438849-50675735-2560-1440.jpg "Tennis Legends - Having different tie-break rules between tournaments is crazy and has to change - Eurosport")
Tennis Legends - Having different tie-break rules between tournaments is crazy and has to change - Eurosport
Does Australian Open final have a fifth set tie-break or do players have to win by two clear games? - Sporting Excitement
Australian Open's new tie-break rules receive lukewarm praise from Roger Federer, Angelique Kerber | Fox Sports
Roger Federer survives fifth set tie break in Australian Open third-round | Daily Mail Online
Australian Open to Consult Players Over Fifth-Set Tie-Breaks
Federer 'okay' with new rules at Australian Open, Tennis News & Top Stories - The Straits Times
Tie Break Tens: The match-ups | Australian Open
Final set tiebreaks at Australian Open 2019 | Australian Open
Australian Open to join Wimbledon in introducing final-set tie-breaks | Sport | The Times
