Horia Tecău (] ; born January 19, 1985) is a Romanian tennis player currently ranked World No. 9 in doubles.
 He turned pro in 2003 and reached the men's doubles finals of the 2010, 2011 and 2012 Wimbledon Championships with Robert Lindstedt before winning it in 2015 with Jean-Julien Rojer, with whom he also won the 2017 US Open.
 Tecău also won the 2012 Australian Open mixed doubles title with Bethanie Mattek-Sands and the 2015 ATP World Tour Finals with Rojer.
Leoš Friedl and Andrei Pavel were the defending champions, but chose not to participate together.
 Friedl played alongside František Čermák, but lost in the first round to Juan Ignacio Chela and Luis Horna.
 Pavel teamed up with Rogier Wassen, but lost in the first round to Tomáš Cibulec and Łukasz Kubot.
Leoš Friedl and Daniela Hantuchová were the defending champions, but chose to play in different teams for this year.
 Friedl teamed up with Tina Križan and lost in first round, while Hantuchová partnered with Kevin Ullyett and reached to the final, losing in three sets.
František Čermák and Leoš Friedl were the defending champions, but Čermák did not participate this year.
 Friedl partnered Michael Kohlmann, losing in the first round.
Johan Brunström and Jean-Julien Rojer were the defending champions, but Rojer chose not to compete this year.Brunstrom partnered up with Mischa Zverev, but they lost in the first round against Pablo Santos and Ivan Sergeyev.
 <br>Leonardo Tavares and Simone Vagnozzi won the final against Igor Kunitsyn and Yuri Schukin 7–5, 7–6(4).
Aisam-ul-Haq Qureshi and Jean-Julien Rojer were the defending champions, but chose not to participate together.
 Qureshi played alongside Rohan Bopanna, but lost in the second round to Juan Sebastián Cabal and Robert Farah.
 Rojer teamed up with Horia Tecău, but lost in the first round to Julien Benneteau and Édouard Roger-Vasselin.
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Leoš Friedl (born 1 January 1977 in Jindřichův Hradec) is an inactive Czech professional tennis player best known for his doubles play with František Čermák.
 He is coached by Lubomir Gerla.
 During his career, Friedl won 16 top-level doubles titles and the 2001 Wimbledon mixed doubles title with Daniela Hantuchová, where they beat Mike Bryan and Liezel Huber, 4–6, 6–3, 6–2.
Jean-Julien Rojer (] ; born 25 August 1981) is a Dutch professional tennis player from Curaçao.
 His highest ATP singles ranking is 218th, which he achieved on 15 August 2005.
 A doubles specialist, his career-high in doubles is World No. 3, which he reached in November 2015.
 His former doubles partners include Eric Butorac and Aisam-ul-Haq Qureshi.
 He currently plays with Horia Tecău of Romania, with whom he won the men's double titles in the 2015 Wimbledon and 2017 US Open championships.
 With Anna-Lena Grönefeld, he also won the mixed doubles' title at the 2014 French Open.
 He attended UCLA where he competed for the UCLA Bruins men's tennis team.
Aisam-ul-Haq Qureshi and Jean-Julien Rojer were the defending champions, but Qureshi chose not to participate this year.
 Rojer played alongside Horia Tecău, but lost in the first round to Grigor Dimitrov and Pierre-Hugues Herbert.
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Bob and Mike Bryan successfully defended their title, defeating Eric Butorac and Jean-Julien Rojer in the finals 6–7, 6–2, [10–7].
 The twin brothers set a record of 62 career doubles titles on the ATP Tour, surpassing The Woodies (Todd Woodbridge and Mark Woodforde).
 Rojer, who was a UCLA tennis player (1999-2002), returned to play on his college home court.

Question: Who won at Wimbledon first Jean-Julien Rojer or Leoš Friedl?
Answer: Leoš Friedl