It's no secret that doubles players aren't as popular or as well-paid compared as the tops singles stars. Yet men's doubles, women's doiubles and mixed doubles have been around at the Grand Slams for nearly as long as their singles counterparts, making their histories just as important.

With the French Open supposed to have been going on this week, now is the perfect time to see how much you know about an often-overlooked part of the clay-court Grand Slam's history.