Which of the following was the greatest service returner in the history of the game of tennis: Andre Agassi or Martina Hingis?
Martina Hingis Martina Hingis (born 30 September 1980) is a Swiss professional tennis player, a former world No. 1 singles player and currently ranked world No. 2 in doubles by the WTA. She has spent a total of 209 weeks as the singles No. 1 and has won five Grand Slam singles titles, thirteen Grand Slam women's doubles titles, winning a calendar-year doubles Grand Slam in 1998, and seven Grand Slam mixed doubles titles; for a combined total of twenty-five major titles. In addition, she has won the season-ending WTA Championships two times in singles and three times in doubles, and an Olympic silver medal.
Karim Alami Karim Alami (Arabic: كريم علمي‎ ‎ ) (born 24 May 1973) is a retired tennis player from Morocco, who turned professional in 1990. The right-hander won two career titles in singles, both in 1996 (Atlanta and Palermo), and reached a career-high ATP singles ranking of World No. 25 in February 2000. Alami reached the semifinals of the 2000 Monte Carlo Masters, defeating Magnus Norman and Albert Costa en route.