Are both Tom Okker and Kim Clijsters Belgian tennis players?
Tom Okker Thomas Samuel Okker (born 22 February 1944) is a former Dutch tennis player. He was ranked among the world's top 10 singles players for seven consecutive years, 1968–74, reaching a career high of World No. 3 in 1969. He also was ranked World No. 1 in doubles in 1969.
1989 Dutch Open (tennis) The 1989 Dutch Open was a Grand Prix tennis tournament staged in Hilversum, Netherlands and played on outdoor clay courts. The tournament was held from July 24 to July 30, 1989. Czechoslovakia's Karel Nováček won his first individual title of the year, and second of his career.