Answer: Roger Federer
Roger Federer was the runner-up in the 2015 men's singles Championship. He lost the final to Novak Djokovic, losing by a score of; 7-6, 6-7, 6-4, and 6-3.

Answer: Arthur Ashe
Arthur Ashe was an African-American tennis player. He was born in 1943 in Virginia. In 1968, he set a record as the first African-American to win the U.S. Open title. In 1975, Ashe set another record by becoming the first African-American to win the Wimbledon title.

Answer: Davis Cup
In the sport of tennis, the Davis Cup is not a Grand Slam tournament. The Davis Cup is part of the four international team cups. It is a tournament that is played by men's national teams from various nations.

Answer: Serbia
Novak Djokovic is a renowned tennis player. He was born on the 22nd of May 1987 in Belgrade, Serbia.

Answer: Novak Djokovic
Djokovic picked up his second title in the 2011 Australian Open men's singles tournament after a successful victory over Andy Murray in the final.

Answer: Czech Republic
The Czech Republic, in 2012 became the first country to ever win the three cups in a calendar year.

Answer: USA
Pete Sampras is an ex-professional tennis player. He hails from the USA. Sampras is also called "Pistol Pete".

Answer: 40-40
In the sport of tennis, a score line of 40-40 is called deuce.

Answer: Zero
The word "Love" in tennis terms refers to a moment in a tennis game where both players have not scored. This usually takes place at the beginning of the game.

Answer: Marat Safin
Djokovic lost in the semi-finals to Marat Safin in the 2005 Australian Open. Marat Safin went on to win that year's Championship.