Croatia's Ivo Karlovic in action against Switzerland's Roger Federer during the Wimbledon Championships at the All England Lawn Tennis and Croquet Club, Wimbledon, London Stock Photo - Alamy
Wimbledon 2009: Peerless Roger Federer cuts Ivo Karlovic down to sighs
2009, Wimbledon | The History of Men's Tennis (Open Era)
Wimbledon: Federer affronte Karlovic, "roi de l'ace", en quarts de finale - ladepeche.fr
Wimbledon Day 9 | Photo Gallery
As Roger Federer passes 10,000 aces at Wimbledon, we ask who is the greatest server in tennis history? | The Independent | The Independent
Tennis - Wimbledon, Day 9, 1 July 2009 | Photosport New Zealand
Federer powers on as Djokovic crashes out - CNN.com
Ivo Karlović - Wikipedia
Roger Federer downs Ivo Karlovic to reach Wimbledon semi-final | Wimbledon | The Guardian