This page covers all the important events in the sport of tennis in 2009.
The season-ending ATP World Tour Finals remains unchanged.
On the women's tour, the tiered system which has existed since 1988 has been scrapped in favour of a structure closer to the men's circuit.
1 February: Rafael Nadal defeats Roger Federer in five sets to win the Australian Open.
[1] Rafael Nadal and Andy Murray win the BNP Paribas Open and the Sony Ericsson Open respectively Rafael Nadal wins the Monte-Carlo Rolex Masters, Barcelona Open Banco Sabadell, and the Internazionali BNL d'Italia 17 May: Roger Federer overturns a 5 match losing streak to Rafael Nadal by defeating him in straight sets to win the Mutua Madrileña Madrid Open which ended his title drought 7 June: Roger Federer ties Pete Sampras's all-time record with the most grand slam singles titles (14) by defeating Robin Söderling in the final to win his first Roland Garros title 5 July: Roger Federer defeats Andy Roddick 5–7, 7-6(8), 7-6(5), 3–6, 16–14 to win his 6th Wimbledon title and record 15th Grand Slam singles title World Group Draw World Group play-offs World Group Draw World Group play-offs Date: 25–26 April Singles Finals Doubles Final