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
2017 US Open (tennis) 2017 US Open (tennis) The 2017 US Open was the 137th edition of tennis' US Open and the fourth and final Grand Slam event of the year. It was held on outdoor hard courts at the USTA Billie Jean King National Tennis Center in New York City. Experimental rules featured in qualifying for the main draw as well as in the junior, wheelchair and exhibition events. Stan Wawrinka and Angelique Kerber were the previous year's men's and women's singles champions. Neither managed to defend their title as Wawrinka withdrew before the start of the tournament due to a knee injury