Factbox: Roger Federer v Chung Hyeon - match stats

MELBOURNE (Reuters) - Key statistics from Swiss Roger Federer's 6-1 5-2 victory (Chung retired injured) over South Korea's Chung Hyeon in the semifinal of the Australian Open on Friday (prefix denotes seeding):

2-Federer Chung
Aces 9 1
Double faults 1 3
Break points won 4/11 0/1
Net points won 6/7 0/5
Winners 24 6
Unforced errors 15 17
Total points won 57 33
Match duration: One hour, 2 minutes

(Compiled by Shrivathsa Sridhar in Bengaluru; Editing by Kevin Liffey)