Tennis news: Australian Open introduces final-set tiebreaks for

Australian Open: Nadal overcomes marathon first set to beat Mannarino for quarter-final spot

Australian Open: Nadal survives epic tiebreak to power into quarters

Tennis: Fifth-set tie-breaks to go to 10 points at the Grand Slams

Australian Open star forgets how tiebreaks work and celebrates win way too early - Mirror Online

Australian Open 2019, tie-break rules, super tie-break at 6-6, big change to final sets, longest Australian Open match ever

French Open, Wimbledon, US Open and Australian Open to all have 10-point final set tie-breaks at 6-6 in trial - Eurosport

Isner's career ends in final-set tiebreaker defeats

Novak Djokovic wins his 10th Australian Open championship, 22nd Grand Slam

Australian Open to have final set tiebreakers from next year

Tennis rules: Why are there final set tie-breaks at Wimbledon now?

John Isner is retiring from tennis after the US Open. He played in the sport's longest match –

Australian Open introduces tie-break deciders to end epic final sets

Wimbledon's final-set tie-break rules and how they've changed - MyLondon

Australian Open Will Begin Using Final-Set Tiebreaker - The New York Times