Alexandr Oleksandrovych Dolgopolov, formerly known as Oleksandr Dolgopolov Jr., is a Ukrainian retired professional tennis player. He changed his forename spelling to the current form in May 2010. Dolgopolov reached the quarterfinals of the 2011 Australian Open and achieved a career-high singles ranking of World No. 13 in January 2012.

Sir Andrew Barron Murray is a British professional tennis player. He was ranked world No. 1 in singles by the Association of Tennis Professionals (ATP) for 41 weeks, and finished as the year-end No. 1 in 2016. Murray has won three Grand Slam singles titles, two at Wimbledon and one at the US Open, and has reached eleven major finals. Murray was ranked in the top 10 for all but one month from July 2008 through to October 2017, and was no lower than world No. 4 in eight of the nine year-end rankings during that span. Murray has won 46 ATP Tour singles titles, including 14 Masters 1000 events and two gold medals at the Summer Olympics.