Does the Australian Open have a fifth set tie-break? US Open, French Open and Wimbledon final setup rules - The Sun - USTimeToday
For any newcomers to the sport, here's a quick breakdown of the different rules regarding deciding sets at the four Grand Slams. Courtesy of Tennis TV. : r/tennis
Australian Open announces switch to final-set tie-breaks for 2019 tournament | Australian Open | The Guardian
Kevin Anderson, Karen Khachanov reflect on new AO final-set tie-break rule