MELBOURNE, Jan 20 (Reuters) - Key statistics from the 6-1 6-3 victory for Germany's Angelique Kerber over Russian Maria Sharapova in the third round of the Australian Open on Saturday (prefix denotes seeding): 21-Kerber Sharapova Aces 1 1 Double faults 2 2 Break points won 5/8 1/4 Net points won 2/2 2/6 Winners 12 15 Unforced errors 7 26 Total points won 58 33 Match duration: 1 hour, 4 minutes (Compiled by Hardik Vyas in Bengaluru)