Wawrinka is currently ranked world No.3 by the Association of Tennis Professionals (ATP). He is also the current French Open champion (2015).
Murray is currently ranked world No. 2 by the Association of Tennis Professionals (ATP). He is also the reigning Olympic Champion in the men's singles category. Murray recently led the UK team to a Davis Cup win against Belgium.
Kyrgios won the boys' singles event at the 2013 Australian Open and the boys' doubles event at the 2013 Wimbledon Championships.
Kyrgios's biggest achievements to date are reaching the quarterfinals of the 2014 Wimbledon Championships, where he defeated ATP number 1 Rafael Nadal and Richard Gasquet en route.
Primarily a doubles specialist, his career-high doubles ranking is World No. 3, which he achieved in October 2014.
Melo shares with Bruno Soares the best Brazilian doubles player position of all time. In 2015, Melo became the first Brazilian male ever to win a French Open doubles title, playing alongside with Croatian Ivan Dodig.
Bencic has won one doubles title on the WTA tour, as well as two singles and two doubles titles on the ITF circuit in her career.
On 5 January 2015, she reached her best singles ranking of world number 31. On 8 June 2015, she peaked at world number 98 in the doubles rankings.
In 2012, Bencic made her debut for the Switzerland Fed Cup team and in 2013 won the French Open and Wimbledon girls' singles titles. She has also been a finalist in three girls' doubles tournaments, at the US Open in 2012 and 2013, as well as at Wimbledon in 2012.
At the 2015 BNP Paribas Open, Bencic beat another former world number 1 in Caroline Wozniacki.
Plíšková has won three singles and four doubles titles on the WTA tour, as well as ten singles and six doubles titles on the ITF circuit in her career.
On 6 April 2015, she reached her best singles ranking of world number 12. On 19 January 2015, she peaked at world number 39 in the doubles rankings.
Former World No. 1 Tennis Player
Moya was the French Open singles champion in 1998 and was the singles runner-up at the 1997 Australian Open. In 2004, he helped his country win the Davis Cup.
Brown competes mainly on the ATP Challenger Tour, both in singles and doubles. He reached his highest ATP singles ranking of World No. 78 in June 2014 and his highest doubles ranking of World No. 43 in May 2012.
He is one of only a few players to have a winning record against the 14-time major champion and former No. 1 Rafael Nadal, having beaten him on more than one occasion with both of his wins coming on grass at the 2014 Gerry Weber Open and the 2015 Wimbledon Championships.