Some notable numbers from the Australian Open ...
3: Consecutive Australian Open titles for Novak Djokovic, an Open Era record (1968-present).
21: Consecutive victories in the month of January for Victoria Azarenka, who has won two Australian Opens in a row.
13: Grand Slam doubles titles for Bob and Mike Bryan after their victory in Melbourne, breaking a tie with John Newcombe and Tony Roche for the most all time. The brothers have won six Australian Opens, four U.S. Opens, two Wimbledons and one French Open.
17: Years between victories at the Australian Open for 42-year-old Kimiko Date-Krumm, who won an opening-round match for the first time since 1996. (Date-Krumm didn't compete from 1997-2008.) She became the oldest woman to win a singles match in tournament history. Date-Krumm lost in the third round.
12: Years between Grand Slam semifinal appearances for WTA U.S. teens. Sloane Stephens, 19, made the semifinals of the Australian Open this year; Serena Williams reached the 2001 U.S. Open final as a 19-year-old, losing to her sister Venus.
0: Games lost by Maria Sharapova in the first two rounds, making her the first player to win back-to-back Grand Slam matches by double bagel since Wendy Turnbull in the first two rounds of the 1985 Australian Open.
9: Games lost by Sharapova in the first five rounds, a record low since the Australian Open went to a 128-player draw in 1988.
5: American women who advanced to the third round -- Serena Williams, Venus Williams, Sloane Stephens, Jamie Hampton and Madison Keys -- the most at the Australian Open since 2005.
0: American men who reached the fourth round, the second year in a row.
35: Consecutive Grand Slam quarterfinals for Roger Federer, who lost to Andy Murray in his 10th straight Australian Open semifinal.
14-0: Federer's record against players born in the 1990s, which includes 4-0 against both Milos Raonic (his fourth-round victim) and Bernard Tomic (his third-round victim).
26: Consecutive sets won by Agnieszka Radwanska to begin 2013, including four straight-set victories in Melbroune. The streak ended in the quarterfinals, where Radwanska lost in straight sets to finalist Li Na.
1-4: Jeremy Chardy's record at the Australian Open before this year, when he upset Juan Martin del Potro in the third round on his way to the quarterfinals.
18-6: Djokovic's career record in five-set matches, including a dramatic victory against Stanislas Wawrinka in the fourth round.
7: Times Djokovic was broken against Wawrinka.
1: Times Djokovic was broken in his other six matches.
50: Double faults for Gael Monfils in three matches, a tournament high and 16 more than the No. 2 player on the list, Chardy (34 in five matches). Monfils served 23 double faults (and 29 aces) in his 7-6 (5), 4-6, 0-6, 6-1, 8-6 victory against Yen-Hsun Lu in the second round.
71: Shots in the longest rally of the tournament, between Monfils and Gilles Simon in the third round. In fact, the two Frenchmen had the five longest rallies in Melbourne, all 42 strokes or more.(H/T: Greg Sharko | Kevin Fischer)