2006 in tennis

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This page covers all the important events in the sport of tennis in 2006. Primarily, it provides the results of notable tournaments throughout the year on both the ATP and WTA Tours, the Davis Cup, and the Fed Cup.

Roger Federer triumphed in four top tennis contests in 2006: Wimbledon, the Australian Open, the US Open, and the Tennis Masters Cup. Amélie Mauresmo won at Wimbledon and the Australian Open; while Justine Henin-Hardenne won the French Open and the WTA Tour Championships. Other champions that year included Rafael Nadal in the French Open, and Maria Sharapova in the US Open. In international team competitions, the Russian men's team beat Argentina to win the Davis Cup, and the Italian women's team beat Belgium to win the Fed Cup.