Question: Do Cara Black and Marin Čilić share the same nationality?

Context articles: Goran Ivanišević
Marinko Matosevic
Marin Čilić
2012 Aircel Chennai Open
2013 Aegon Championships – Singles
2012 St. Petersburg Open – Singles
Liezel Huber
2016 BNP Paribas Masters – Singles
Marin Čilić career statistics
Cara Black

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.
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.
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.
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.
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 defending champion but chose not to compete.
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Liezel Huber (née Horn; born 21 August 1976) is a South African-American retired tennis player who represents the United States internationally.
 Huber has won four Grand Slam titles in women's doubles with partner Cara Black, one with Lisa Raymond, and two mixed doubles titles with Bob Bryan.
 On 12 November 2007, she became the co-World No. 1 in doubles with Cara Black.
 On 19 April 2010, Huber became the sole No. 1 for the first time in her career.
Novak Djokovic was the three-time defending champion, but lost to Marin Čilić in the quarterfinals.
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.
Cara Black (born 17 February 1979) is a professional tennis player from Zimbabwe.
 She is primarily a doubles specialist, winning 60 WTA and 11 ITF titles in that discipline.
 A former no. 1 ranked women's doubles player in the WTA Rankings, she has won ten Grand Slam titles in women's doubles and mixed doubles combined.
 By winning the mixed doubles title at the 2010 Australian Open, Black became the third woman in the Open Era to complete a Career Grand Slam in mixed doubles (after Martina Navratilova and Daniela Hantuchová).
 Having won one singles title on tour, she also peaked at no. 31 in the singles rankings in March 1999.