French Open - 10 Amazing Facts - as part of the news series by GeoBeats.

Here are 10 uncommon facts about the French Open.

Number 10 - The tournament is over 120 years old, debuting all the way back in 1891.

Number 9 - It its early years, it was only open to the French national clubs but then later expanded to include international players.

Number 8 - One of its earliest venues included sand courts set on top of rubble.

Number 7 - In 1928, the French Open was held at the new Roland Garros stadium, titled after a World War I pilot who was the first to fly above the Mediterranean Sea.

Number 6 - During World War II, the French Open was canceled from 1940 to 1945.

Number 5 - Of the four Grand Slam tournaments, the French Open is the only one to use clay courts.

Number 4 – Well known tennis player, Björn Borg won the men's French Open singles competition six times.

Number 3 - Rafael Nadal won the French Open singles titles four times in a row, from 2005 to 2008.

Number 2 - In 1989, both the male and female winners were not even 18 at that time.

Number 1 - The tournaments' 2012 singles winners will take home over 1.6 million dollars each.