Were both Bob Lutz and Billie Jean King professional tennis players?
Bob Lutz (tennis) Robert Lutz (born August 29, 1947) is a former amateur and professional tennis player of the 1960s and 1970s. He and his longtime partner Stan Smith were one of the best doubles teams of all time. Bud Collins ranked Lutz as World No. 7 in 1972. Between 1967 and 1977 he was ranked among the top-10 American players 8 times, with his highest ranking being No. 5 in both 1968 and 1970.
2010 Billie Jean King Cup The 2010 Billie Jean King Cup was the 2nd edition of this tennis exhibition tournament. Seven-time Grand Slam champion Venus Williams, 2009 French Open Champion Svetlana Kuznetsova, and 2009 US Open Champion Kim Clijsters participated. 2009 Australian Open and Wimbledon Champion Serena Williams had to withdraw from the event due to a leg injury. She was replaced by 2008 French Open Champion Ana Ivanovic. In the first semifinal, Clijsters defeated Ivanovic in a tiebreaker (7–2), despite Ivanovic having match point at 5–4 up. Williams defeated Kuznetsova in the second semifinal, 6–4. Williams defeated Clijsters in the championship match by a score of 6–4 3–6 7–5.