Feb 17, 2012: Dereck Chisora is badly out of his depth against Vitali Klitschko - but if he shows heart, he can still further his career
Communication error please reload the page.
Kei Nishikori conceded just nine games as he saw off David Ferrer in straight sets
© Getty Images
Stan Wawrinka was stretched by Guillermo Garcia-Lopez but came through to reach the quarter-finals
Week in Pictures: January 12- January 18
Week in Pictures
© ESPN Sports Media Ltd.