Which tennis player received a higher world singles ranking, Fabio Fognini or Marin Čilić?
Marin Čilić Marin Čilić (; born 28 September 1988) is a Croatian professional tennis player. Over the course of his career, Čilić has won 17 ATP singles titles, including the 2014 US Open. His career-high singles ranking is world No. 5, achieved in September 2017. Čilić first came to international prominence by defeating then-World No. 2 Andy Murray in the fourth round of the 2009 US Open. He followed this by reaching the semifinals of the 2010 Australian Open. Among other achievements, Čilić was runner-up at the 2017 Wimbledon Championships, and was a semifinalist at the 2015 US Open as defending champion. Čilić is currently the youngest active male player to have won a slam. Čilić has reached at least the quarterfinal in all four grand slam tournaments. He has a very powerful serve and very powerful groundstrokes.
Àlex Corretja Àlex Corretja i Verdegay (] ; born 11 April 1974) is a former professional tennis player from Spain. During his career, he finished runner-up twice at the French Open (in 1998 and 2001). He won the ATP Tour World Championships in 1998 and reached his career-high singles ranking of World No. 2 in 1999. He also played a key role in helping Spain win its first-ever Davis Cup title in 2000. He became a temporary coach of British tennis player Andy Murray in April 2008 for the duration of the clay-court season and resumed the role in 2009. On 29 March 2011, Corretja and Murray parted company by mutual agreement.