Are Wojciech Fibak and Tom Okker both Polish 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.
1973 Dutch Open (tennis) The 1973 Dutch Open was a combined men's and women's tennis tournament staged in Hilversum, Netherlands. The men's event was part of the Grand Prix circuit and categorized in Group C. The tournament was played on outdoor clay courts and was held from 16 July to 23 July 1973. It was the 17th edition of the tournament. Tom Okker and Betty Stöve won the singles titles.