No I think he won it in 2009.
The Men's Singles C'ship at the Australian Open this year(2009).
Roger lost in a five-setter to Rafael Nadal in the Australian Open in 2009.
Yes Nadal did win the U.S Open in 2010. He was against Djokovic.
The longest-ever match in the Australian Open lasted 5 hours and 14 minutes. It was played in the semi-finals of 2009 between Rafael Nadal and Fernando Verdasco. (Nadal won and went on to win the men's title over Roger Federer.)
Yes, in 2010 Serena won australian open champion 2010 title.
serena williams won the 2015 Australian open women's title which makes her grandslamm title count to 19th. In male Novak Djokovic beats Andy Murray to win Australian open title for men.
Yes, he has won the US Open, French Open, Australian Open, and Wimbledon multiple times and all in one year.
Nadal init bruv
Yes, in 2010.