when were yellow tennis balls first used at wimbledon
Talk:Tennis ball Historically, balls were either black or white in colour, depending on the background colour of the courts. In 1972 the ITF introduced yellow tennis balls into the rules of tennis, as research had shown these balls to be more visible to television viewers. Meanwhile Wimbledon continued to use the traditional white ball, but eventually adopted yellow balls in 1986. ref= http://www.itftennis.com/technical/equipment/balls/history.asp HUH HI hi HI hi HI hi HI hi
Kensington and Chelsea London Borough Council The council has been controlled by the Conservative Party since it was first elected in 1964.
No. 1 Court (Wimbledon) In April 2013, the All England Club confirmed its intention to build a retractable roof over No.1 Court. The roof is expected to be in place for the 2019 Championships.[6][7]
2010 Brisbane International Andy Roddick def. Radek Štěpánek, 7–6(7–2), 7–6(9–7).[1]
Classic car Cars 20 years and older typically fall into the classic class.
Tennis A recent rule change is to allow coaching on court on a limited basis during a match.[60][61][62][63] This has been introduced in women's tennis for WTA Tour events in 2009 and allows the player to request her coach once per set.[64]