Mate Pavić and Michael Venus were the defending champions, but Venus chose to compete in Delray Beach instead.
 Pavić played alongside Alexander Peya, but lost in the quarterfinals to Robin Haase and Dominic Inglot.
Mate Pavić and Michael Venus were the defending champions, but Pavić chose to compete in Sydney instead.
 Venus played alongside Robert Lindstedt, but lost in the first round to Nicholas Monroe and Artem Sitak.
Mate Pavić and Michael Venus were the defending champions, but Pavić chose to compete in Stuttgart instead.
 Venus played alongside André Sá, but lost to Łukasz Kubot and Marcelo Melo in the semifinals.
Mate Pavić (born 4 July 1993) is a Croatian professional tennis player specialising in doubles.
 Mate won the 2016 US Open mixed doubles title in partnership with Laura Siegemund, and reached the 2017 Wimbledon Championships men's doubles finals partnering Oliver Marach.
Mate Pavić and Michael Venus were the defending champions, but Pavić chose to compete in Sofia instead.
 Venus played alongside Robert Lindstedt, but lost in the quarterfinals to Alexander and Mischa Zverev.
A chief mate (C/M) or chief officer, usually also synonymous with the first mate or first officer (except on passenger liners, which often carry both), is a licensed member and head of the deck department of a merchant ship.
 The chief mate is customarily a watchstander and is in charge of the ship's cargo and deck crew.
 The actual title used will vary by ship's employment, by type of ship, by nationality, and by trade.
 Informally, the Chief Mate will often simply be called "The Mate."
 The term "Chief Mate" is not usually used in the Commonwealth, although Chief Officer and First Mate are.
George Morgan (born 7 February 1993) is a British tennis player.
 He won the Boys' Doubles title at the 2011 Wimbledon Championships alongside Mate Pavić.
Andrés Gómez Santos (born February 27, 1960 in Guayaquil, Ecuador) is an Ecuadorian former professional tennis player.
 He won the Men's Singles title at the French Open in 1990.
Laura Siegemund and Mate Pavić were the defending champions, but Siegemund was unable to compete due to injury.
 Pavić played alongside Andreja Klepač, but lost to Alicja Rosolska and Santiago González in the first round.
Nicolas Reissig (born 7 April 1989, in Oberndorf bei Salzburg) is an Austrian tennis player.
 Reissig has a career high ATP singles ranking of 344, achieved on 15 July 2013.
 Reissig made his ATP main draw doubles debut at the 2014 MercedesCup partnering Robin Kern, losing in the first round to Mate Pavić and André Sá.
 Reissig has a total of 7 singles titles and 4 doubles titles on the futures circuit.

Question: Who started Playing tennis first Mate Pavić or Andrés Gómez?
Answer: Andrés Gómez