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.
Max Decugis Maxime "Max" Omer Mathieu Decugis or Décugis (] ; 24 September 1882 – 6 September 1978) was a male tennis player from France who held the French Championships/French Open record of winning the tournament eight times (a French club members only tournament before 1925), a feat that was surpassed by Rafael Nadal in 2014. He also won three Olympic medals at the 1900 Summer Olympics (Paris) and the 1920 Summer Olympics (Antwerp), his only gold medal coming in the mixed doubles partnering French legend Suzanne Lenglen.