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Wilson K-Factor refers to the generation of Wilson Sporting Goods tennis racquets that incorporate the "K-Factor" technology. These racquets were first revealed in 2007 and are still popular among players. Roger Federer as well as several other highly ranked players endorsed these racquets up until 2010 making them extremely popular for the short time as these racquets quickly became best sellers.
Only upon returning to play exhibition, World Team Tennis and Senior Tour matches post retirement from the ATP, did Sampras switch rackets (to a similar model as that used by Roger Federer at the time) before Wilson produced a new model especially for Sampras, the K Pro Staff 88.
Wilson is a major manufacturer of tennis rackets. The original kevlar Pro Staff model racket, known for its use by Pete Sampras, was heavy (more than 350g strung) and small-headed (85 sq. in.); Roger Federer also used the same racket model.
Sampras used one racket type, the Wilson Pro Staff Original, [77] for his entire professional career—a racket first introduced in 1983. He played with Babolat natural gut, with all his rackets re-strung before each match (used or not) at 75 lbs tension (more or less, depending on conditions).
Jack Kramer. John Albert Kramer (August 1, 1921 – September 12, 2009) was an American tennis player of the 1940s and 1950s, and a pioneer promoter who helped drive the sport towards professionalism at the elite level. Kramer also ushered in the serve-and-volley era in tennis, a playing style with which he won three Grand Slam tournaments (the ...
A racket or racquet [1] is an item of sporting equipment used to strike a ball or shuttlecock back-and-forth in games such as tennis, badminton, squash, racquetball and padel. The typical basic structure of a racket consists of a widened distal end known as the head (which presents a flattened firm surface designed to strike the ball or ...
In 1961, Lacoste created an innovation in racket technology by unveiling and patenting the first tubular steel tennis racket. [21] At that time, wood rackets were the norm; the new version's strings were attached to the frame by a series of wires, which wrapped around the racket head.
Novak Djokovic produced an impressive performance at Wimbledon to cruise into the quarterfinals, but the 24-time grand slam champion was far from happy after his win.