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
1989 US Open (tennis) and the final), three women's singles matches (two semifinals and the final), one men's doubles match (the final), two women's doubles matches (a semifinal and the final) and one mixed doubles match (the final). 1989 US Open (tennis) The 1989 US Open was a tennis tournament played on outdoor hard courts at the USTA National Tennis Center in New York City in the United States. It was the 109th edition of the US Open and was held from August 28 to September 10, 1989. Boris Becker defeated Ivan Lendl 7–6, 1–6, 6–3, 7–6 Steffi Graf defeated Martina Navratilova 3–6, 7–5,