Marin Čilić was the defending champion but chose not to compete.
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Marin Čilić was the defending champion, but was defeated 7–5, 5–7, 3–6 in the final by Andy Murray.
 Winning in the final meant Murray became the first British player to win three titles at the Queen's Club since Arthur Lowe in the 1920s.
Marin Čilić was the two-time defending champion, but chose not to participate this year.
Goran Ivanišević (; born 13 September 1971) is a retired Croatian professional tennis player and current tennis coach.
 He is the only person to win the men's singles title at Wimbledon as a wildcard.
 He achieved this in 2001, having previously been runner-up at the championships in 1992, 1994 and 1998.
 Before the 2001 tournament, he was ranked 125th and after his victory he was 16th.
 His career-high singles ranking was World No. 2 (behind Pete Sampras) in 1994.
 He coached Marin Čilić from September 2013 to July 2016, leading Čilić to his biggest achievement to date, the 2014 US Open title.
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.
Novak Djokovic was the three-time defending champion, but lost to Marin Čilić in the quarterfinals.
The 2012 Aircel Chennai Open was a 2012 ATP World Tour tennis tournament, played on outdoor hard courts.
 It was the 17th edition of the only ATP tournament taking place in India and took place at the SDAT Tennis Stadium in Chennai, India.
 It was held from 2 to 8 January.
 Stanislas Wawrinka was the defending singles champion coming into the tournament but was knocked out in the quarterfinals.
 Former champion Marin Čilić was originally in the field as the 4th seed before pulling out with a patellar tendon injury.
 Finally, fourth seed Milos Raonic from Canada defeated world no. 9 and top seeded Serb Janko Tipsarević to win only his second ATP title.
 Raonic became the first player since Roger Federer in 2008 to win an ATP title without losing a serve.
 The doubles title went to the Indo-Serb pair of Leander Paes and Janko Tipsarević after they defeated the Israeli pair of Jonathan Erlich and Andy Ram.
Marinko Matosevic (Croatian: "Matošević" ; born 8 August 1985) is an Australian professional tennis player.
 His career-high singles ranking is World No. 39, which he achieved in February 2013.
 Matosevic has defeated top players including Milos Raonic, Marin Čilić, Nikolay Davydenko, Jo-Wilfried Tsonga and John Isner.
Kathryn "Kathy" Jordan (born December 3, 1959) is a former American tennis player.
 During her career, she won seven Grand Slam titles, five of them in women's doubles and two in mixed doubles.
 She also was the 1983 Australian Open women's singles runner-up and won three singles titles and 42 doubles titles.
This is a list of the main career statistics of Croatian professional tennis player, Marin Čilić.
 To date, Čilić has won 16 ATP singles titles including one grand slam singles title at the 2014 US Open, one ATP Masters 1000 title at the 2016 Western & Southern Open and a record four titles at the PBZ Zagreb Indoors.
 Other highlights of Čilić's career thus far include a semi-final appearance at the 2010 Australian Open and three consecutive quarterfinals at the Wimbledon Championships from 2014 to 2016.
 Čilić achieved a career high singles ranking of World No. 6 on November 21st, 2016.

Question: Do Kathy Jordan and Marin Čilić have the same nationality?
Answer: no