Question: Which former professional tennis player had the highest individual ranking, Jim Grabb or Fabrice Santoro?
Context: Marian Jade Saldajeno Capadocia (born September 17, 1995) is a tennis player from the Philippines.  She began playing tennis at the age of 8 and started her professional career at the age of 15.  Born in Manila, she reached her highest individual ranking in the Philippines in 2011, when she became No. 1. Sergiy Eduardovych Stakhovsky (Ukrainian: Сергій Едуардович Стаховський , ] ; born January 6, 1986) is a Ukrainian professional tennis player.  Stakhovsky turned professional in 2003 and had been playing mostly at the Challenger level from 2005–2008.  His career-high singles ranking is World No. 31 (September 2010) and he has reached as high as No. 33 in doubles the same month.  He won his first career title in March 2008, as a lucky loser ranked no. 209, defeating top seed Ivan Ljubičić in the final, thus becoming the first lucky loser to win a title since Christian Miniussi in 1991.  He is the elder brother of tennis player Leonard Stakhovsky.  He is currently coached by Fabrice Santoro.  He is well known for beating seven-time winner and defending champion Roger Federer in the 2nd round of the 2013 Wimbledon Championships ending his record run of 36 consecutive Grand Slam quarterfinals. Jim Grabb (born April 14, 1964) is an American former professional tennis player.  He was ranked the World No. 1 doubles player in 1989 and in 1993.  Grabb's best singles ranking was World No. 24, a ranking he achieved in February 1990. Anne Minter (born 3 April 1963) is a former tennis player from Australia, who competed for her native country at the 1988 Summer Olympics in Seoul.  She was an Australian Institute of Sport scholarship holder.  She won four singles titles on the WTA Tour: 1987 Taipei, Singapore; 1988 Puerto Rico; 1989 Taipei.  Minter was a quarterfinalist at the Australian Open in 1988, beating fourth seed Pam Shriver in the R16 when the tournament moved to the hard court surface at Melbourne Park.  She twice reached the R16 at Wimbledon, upsetting ninth seed Hana Mandlíková in the third round in 1988.  She reached her highest individual ranking in her professional career on 4 July 1988, when she became the 23rd top player in the world.  On 19 March 1990 she reached her highest doubles ranking or 68.  Her playing career spanned 11 years from 1981 until 1992.  Minter's win-loss record for singles stands at 258–245. Veli Paloheimo (born 13 December 1967 in Tampere) is a former professional tennis player from Finland.  The right-hander reached his highest individual ranking on the ATP Tour on 1 October 1990, reaching World number 48.  His best performance at a Grand Slam came at the 1990 Australian Open, where he made the fourth round. Catherine Suire (born 15 September 1959) is a former tennis player from France, who competed at the 1988 Summer Olympics in Seoul.  She won eight doubles titles in her professional career, and reached her highest individual ranking on the WTA Tour on 14 May 1984, when she became the number 52 of the world. Tara Snyder (born May 26, 1977) is a former tennis player from the United States, who started a professional career in May 1995.  She reached her highest individual ranking in the WTA Tour on November 16, 1998, when she was ranked No. 33 in the world.  Snyder won the silver medal at the 1999 Pan American Games in Winnipeg, Canada, after losing the final to Venezuela's María Vento-Kabchi.  Tara won the US Junior Open and was regarded as one of the top US youth tennis players of her time. Cecil Valdeavilla Mamiit (born June 27, 1976) is a former tennis player from the United States who went onto represent the Philippines.  He began his professional career in 1996.  He reached his highest individual ranking in the ATP Tour on October 11, 1999, when he became World No. 72. Fabrice Vetea Santoro (born 9 December 1972) is a retired French professional male tennis player from Tahiti.  Though not counted among the top-ranked players, he had an unusually long professional career, with many of his accomplishments coming toward the end of his career, and he is popular among spectators and other players alike for his winning demeanor and shot-making abilities. Christian Bergström (born 19 July 1967 in Gothenburg) is a former tennis player from Sweden, who turned professional in 1985.  He didn't win any titles (neither singles nor doubles) during his career, but reached three singles quarter-finals in Grand Slam tournaments: Wimbledon (1990, 1994) and Australian Open (1993).  The right-hander reached his highest individual ranking on the ATP Tour on 27 January 1992, when he became World No. 32.  He played two ATP singles finals, both in Adelaide (1992–93).  He was also the first player to defeat Ivan Lendl in the first round of the 1992 Australian Open, snapping Lendl's record run of 40 first round victories by consecutive appearances in a grand slam.
Answer: Jim Grabb