[January 21, 2014]MELBOURNE (Reuters) — Defending
champion Novak Djokovic was knocked out of the Australian Open
quarter-finals by Stanislas Wawrinka 2-6 6-4 6-2 3-6 9-7 on Tuesday.
Eighth seed Wawrinka ended Djokovic's bid for a fourth
consecutive title at Melbourne Park under the lights of Rod
Laver Arena and will meet Tomas Berdych in the semi-finals.