Australian Open 2019: heat and tie-break rule changes – explained | Australian Open 2019 | The Guardian
Australian Open 2019, tie-break rules, super tie-break at 6-6, big change to final sets, longest Australian Open match ever | Fox Sports
Australian Open: Jamie Murray & Neal Skupski beaten in final-set tie-break - BBC Sport
Novak Djokovic vs Daniil Medvedev second set tiebreak | Australian Open 2019 R4 - YouTube
Australian Open introduces final set tiebreak
Australian Open to Introduce Tie-breakers in Deciders - EssentiallySports
Federer, Kerber cautious on new Aus Open tie-break rule - SPORTS - GENERAL | Kerala Kaumudi Online
Federer escapes elimination at the Australian Open in a super tie break - Teller Report
Australian Open introduces tie-break deciders to end epic final sets
Roger Federer opens up about new tie-break rule at Australian Open
Australian Open announces switch to final-set tie-breaks for 2019 tournament | Australian Open | The Guardian
Australian Open To Introduce 10-Point Tie-Break In Final Set | Tennis News
Australian Open: Final-set tie-breaks to be used in 2019 - BBC Sport
Australian Open introduce final-set tie-breaks
Final set tiebreaks at Australian Open 2019 | Australian Open
Tie Break Tens: The match-ups | Australian Open
Australian Open to join Wimbledon in introducing final-set tie-breaks | Sport | The Times
Australian Open goes for final set tie-break – Daily News 60
Roger Federer survives fifth set tie break in Australian Open third-round | Daily Mail Online
How Are Ties Broken in Tennis? That Depends - The New York Times
Australian Open: Final-set tie-breaks to be used in 2019 - BBC Sport
Australian Open announces introduction of final set tie-breaks
