It served as a warm-up event for the season, with the ATP World Tour beginning on January 5 2009.
2009 | World Cup | ATP International Series | FIFA World Cup | World Trade Center | World Series | 2011 ATP Challenger Tour | 2012 ATP Challenger Tour | 2013 ATP Challenger Tour | 2010 FIFA World Cup | World Bank | World Health Organization | Guinness World Records | PGA Tour | 1978 FIFA World Cup | World Series of Poker | Allies of World War II | ATP International Series Gold | BBC World Service | ATP World Tour 250 series | ATP | World Heritage Site | World Boxing Association | World Boxing Council | 2006 FIFA World Cup | Tour de France | World Wide Web | As the World Turns | World Trade Organization | ATP World Tour 250 Series |
It was the 38th edition of the event and was part of the ATP World Tour 250 series of the 2009 ATP World Tour.
It was the 42nd edition of the event known that year as the Allianz Suisse Open Gstaad and was part of the ATP World Tour 250 series of the 2009 ATP World Tour.
It was the 20th edition of the Estoril Open, and was part of the ATP World Tour 250 series of the 2009 ATP World Tour, and of the International-level tournaments of the 2009 WTA Tour.
It was the 19th edition of the Kremlin Cup, and was part of the ATP World Tour 250 Series of the 2009 ATP World Tour, and of the Premier Series of the 2009 WTA Tour.
It was the 117th edition of the event known that year as the Medibank International Sydney, and was part of the ATP World Tour 250 series of the 2009 ATP World Tour, and of the WTA Premier tournaments of the 2009 WTA Tour.
It was the 41st edition of the Pilot Pen Tennis, and was part of the ATP World Tour 250 Series of the 2009 ATP World Tour, and of the Premier Series of the 2009 WTA Tour.
It was the 1st edition of the Malaysian Open, and was classified as an ATP World Tour 250 Series of the 2009 ATP World Tour.
It was the 7th edition of the Thailand Open, and was part of the ATP World Tour 250 Series of the 2009 ATP World Tour.