Answer: Soft Courts
Soft courts are not a type of tennis court. The rest are all types of playing grounds/surfaces that the game of tennis can be played on.
Answer: Roger Federer
With the exception of Roger Federer, who is from Switzerland, the rest of the players all hail from France.
Rafael Nadal's 2017 French Open Championship title was his 15th Grand Slam title in his career.
In 1999, at just 17 years old, Serena Williams became a U.S. Open Championship winner, thus, winning her first major tennis tournament in the process.
The first edition of the tennis World Team Cup was held in Kingston in Jamaica. It was organized in 1975.
Answer: Kei Nishikori
In the 2016 U.S. Open Championship, Andy Murray was knocked out by Japanese international, Kei Nishikori at the quarter-final stage of the tournament.
Answer: Davis Cup
The ITF runs the Davis Cup and it is a yearly event that is contested between men's teams from various nations under around the world. This tournament is often referred to as "World Cup of Tennis".
Answer: Madison Keys
Naomi Osaka was defeated by Madison Keys of America in the third round.
ITF (International Tennis Federation) is the globally recognized body that governs the game of tennis. It was founded in the year 1913 with only 12-member countries.
Answer: John Milman
Australian, John Milman defeated Roger Federer in the fourth round of the 2018 U.S. Open championship.