Inaugurated in 2002, the Madrid Open has been a highlight of the season for 16 years. The tournament has had it's ups and downs (blue clay, anyone?), but that hasn't stopped players from flocking to Madrid. Last year, Rafael Nadal and Simona Halep conquered the competition, and this year the draw is looking even more fierce.
Now, see how much you know about the tournament, from the past champions to it's historic moments.