Belgian Open (tennis) However, Sabine Appelmans, Kim Clijsters and Els Callens all won the doubles event. 1987: Knokke 1988-89: Brussels 1992: Waregem 1993: Liège 1999-2001: Antwerp Belgian Open (tennis) The Belgian Open was a WTA Tour tennis event held over three different periods during 1987–2002. The competition took place in July during 1987–1989 and 2002, and in May during 1992–1993 and 1999–2001. During 2000–2001 it was sponsored by Dutch clothing chain Mexx and renamed the "Benelux Open". The competition was played on outdoor clay courts. The tournament was a Tier V event in 1992 and 2001. The tournament was a Tier IV event
US Open (tennis) women's singles final, which was pushed into primetime by rain delays. Since 1978, the US Open has been played on a hard court surface called Pro DecoTurf. It is a multi-layer cushioned surface and classified by the International Tennis Federation as medium-fast. Each August before the start of the tournament, the courts are resurfaced. Since 2005, all US Open and US Open Series tennis courts have been painted a shade of blue (trademarked as "U.S. Open Blue") inside the lines to make it easier for players, spectators, and television viewers to see the ball. The area outside the lines is