Li Na staved off match point en route to the Australian Open title last week, the 10th time a player accomplished that feat at a Grand Slam.
WTA Staff

It is hard enough to come from match point down to win a Grand Slam match, but to win the match and go on to win the tournament is especially rare. When Li Na overcame a match point in her Australian Open third round match against Lucie Safarova and went on capture the title last week, it was just the 10th time in the Open Era a player achieved that feat and the first time in almost five years. Here is the complete list of those instances along with how many match points each player overcame:

Navratilova'86 US Open SF vs. Graf361 67(3) 76(8)
Seles'91 Australian Open SF vs. M.J.Fernandez163 06 97
Capriati'02 Australian Open F vs. Hingis446 76(7) 62
S.Williams'03 Australian Open SF vs. Clijsters246 63 75
Myskina'04 French Open 4r vs. Kuznetsova116 64 86
S.Williams'05 Australian Open SF vs. Sharapova326 75 86
Henin'05 French Open 4r vs. Kuznetsova276(6) 46 75
V.Williams'05 Wimbledon F vs. Davenport146 76(4) 97
S.Williams'09 Wimbledon SF vs. Dementieva167(4) 75 86
Li'14 Australian Open 3r vs. Safarova116 76(2) 63