Katie Boulter has the distinction of winning the first 10-point tiebreaker under the Australian Open's new system for determining level deciding sets.
Boulter beat Ekaterina Makarova 6-0, 4-6, 7-6 (6), including 10-6 in the tiebreaker in which the first player to reach 10 with an advantage of two points clinches the match.
In the men's singles draw, the first four sets will feature a seven-point tiebreaker at 6-6, with the final set going to a 10-point tiebreaker at 6-6.
In women's singles play and men's and women's doubles and mixed doubles, the deciding set of three sets will be played with a 10-point tiebreaker at 6-6.
Wimbledon announced in October it will have a standard first-to-seven-points tiebreaker when the deciding set reaches 12-12.
The U.S. Open was the first Grand Slam tournament to introduce final-set tiebreakers, with a first-to-seven-points game at 6-6.
The French Open is the only remaining Grand Sam still decided by a long deciding set by advantage.