Roger Federer faces Hyeon Chung this Friday in Australian Open semi-finals. A match to make history, as much in South Korea as in Switzerland.

Roger Federer came through a tight QF match against the Finn Nieminen. Just as in his previous match he didn't face any breakpoints. Next up is Nikolay Davydenko who beat Richard Gasquet 7-5 6-3. Fed leads their H2H by 16-2, beating him 6-2 6-2 in their last meeting in Doha this year.

Countdown to Wimbledon 2014: One day to go

Juan Martin Del Potro explains that he decided to have another wrist surgery to fix his left wrist problem. He looked for other solutions but without succes because his tendon his damage.

After his defeat against Fernando Verdasco in Miami, Rafael Nadal already back to training. He is working on clay courts to prepare Monte-Carlo (04-12) and all the clay season.

Day 4 Preview: Rafa v Rosol, the rematch - Wimbledon 2014