Question: Which tennis player has received a higher World singles ranking, Xavier Malisse or Virginia Wade?

Context articles: Roscoe Tanner
Xavier Malisse
Olivier Rochus
Pam Teeguarden
Virginia Wade
2012 Farmers Classic
Vasek Pospisil
Lele Forood
1999 Citrix Tennis Championships – Singles
Dimitar Kuzmanov

Roscoe Tanner (born October 15, 1951) is a retired American professional tennis player, who turned pro in 1972 and reached a career-high world singles ranking of World No. 4 on July 30, 1979.
Xavier Malisse (born 19 July 1980) is Belgian retired professional tennis player.
 Born in the north-western Flemish city of Kortrijk and nicknamed "X-Man", he is only one of two players from Belgium (the other being David Goffin) to have been ranked in the top 20 of the ATP tour, with a career-high singles ranking of World No. 19.
Olivier Rochus (] ; born 18 January 1981) is a retired Belgian tennis player.
 He has won two singles titles in his career and in 2004 won the French Open doubles title partnering fellow Belgian Xavier Malisse.
 Rochus' career-high singles ranking is World No. 24.
Pam Teeguarden (born April 17, 1951) is a former American professional tennis player in the 1970s and 1980s, ranked in the top 20 from 1970–1975, according to "John Dolan's Women's Tennis Ultimate Guide", prior to computer rankings.
 She won two Grand Slam Doubles Titles and was a quarter finalist in singles at the U.S. Open and The French Open.
 Her father Jerry, a well known coach, helped Margaret Court win the coveted Grand Slam (all four Grand Slam titles in one year) in 1970 and Virginia Wade to her 1977 Wimbledon triumph.
 Teeguarden was voted the "Most Watchable Player" based on play and appearance by a group of Madison Avenue advertising executives or "Mad Men" while playing at the US Open.
 Teeguarden played in 19 consecutive US Opens, holding the record until Chris Evert played in 20.
 She wore the first all black outfit in the history of tennis in 1975 at The Bridgestone Doubles Championships in Tokyo, starting a trend that is still popular today.
 Teeguarden was the first woman tennis player signed by Nike.
 She played on the victorious Los Angeles Strings Team Tennis team in 1981 and won the Team Tennis Mixed Doubles Division with Tom Gullikson in 1977; they were also runners-up in the league that year.
Sarah Virginia Wade, (born 10 July 1945) is a former professional tennis player from Great Britain.
 She won three Grand Slam singles championships and four Grand Slam doubles championships, and is the only British woman in history to have won titles at all four Grand Slam tournaments.
 She was ranked as high as No. 2 in the world in singles, and No. 1 in the world in doubles.
The 2012 Farmers Classic, presented by Mercedes-Benz, was a men's tennis tournament played on outdoor hard courts in Los Angeles.
 It was the 86th edition of the Los Angeles Open, and was part of the Emirates Airline US Open Series of the 2012 ATP World Tour.
 It took place at the Los Angeles Tennis Center on the campus of UCLA, from July 23 through July 29, 2012, with total player compensation in excess of $1 million.
 The events were televised by ESPN2 and the Tennis Channel.
 During the early rounds, Rhythm & Blues group "The Spinners," and "Sax and the City" performed at the Classic.
 Sam Querrey from California, fellow American James Blake, France’s Nicolas Mahut and Belgium’s Xavier Malisse, the tournament’s reigning doubles champion, were participants of this year's tournaments.
Vasek Pospisil (, ] ; born June 23, 1990) is a Canadian professional tennis player.
 He is the No. 3 male ranked player in Canada, after Milos Raonic and Denis Shapovalov.
 Pospisil has a career-high World singles ranking of 25, and No. 4 in doubles.
 As Canada's currently ranked No. 3 in singles and No. 3 in doubles, he is an important member of the Canada Davis Cup team.
 Along with partner Jack Sock, he won the 2014 Wimbledon Championships and the 2015 Indian Wells Masters men's doubles titles.
 He also reached the quarterfinals in singles at the 2015 Wimbledon Championships.
Lele Forood (born 10 September 1956) is the Peter and Helen Bing Director of Women's Tennis at Stanford University.
 She has been the head coach there since 2001, and has won seven NCAA Championships.
 Prior to that, she was a top amateur and college tennis player.
 As a professional, she is best known for reaching the doubles semifinals at the 1976 US Open, and at the 1978 US Open, upsetting reigning Wimbledon champion Virginia Wade.
 Forood reached a high ranking in singles of No. 30.
Lleyton Hewitt defeated Xavier Malisse 6–4, 6–7, 6–1 to win the 1999 Citrix Tennis Championships singles event.
 Andrew Ilie was the champion but did not defend his title.
Dimitar Kuzmanov (Bulgarian: Димитър Кузманов , ] ; nickname: Miko; born 28 July 1993) is a Bulgarian professional tennis player and the current No. 3 Bulgarian in the ATP singles ranking.
 His highest singles ranking was No. 281 (8 February 2016), whilst his best doubles ranking was No. 445 (8 February 2016).
 Kuzmanov is a player of Tennis Club Lokomotiv Plovdiv and is coached by former Bulgarian tennis player Stefan Rangelov and by Bulgaria Fed Cup team's former tennis player and present captain Dora Rangelova.
 In 2011 he was invited to play for Bulgaria Davis Cup team.