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Daily Data Viz: Keys to victory for Madison Keys against Kiki Bertens

How the powerful games of Madison Keys and Kiki Bertens compare ahead of their fourth round French Open matchup. 

No. 15-seed American Madison Keys takes on 58th-ranked Kiki Bertens for a spot in the quarterfinals at Roland Garros. Both are power players who try to impose their will on the opponent and both have the size and strength to do so. 

The stats below show how similar their performances at Roland Garros through three rounds have been:


Madison Keys

Kiki Bertens




Forehand winners



Backhand winners



1st serve points won



Here are the big differences so far:

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Where Keys seems to have the edge is consistency and on second serves—both on her own and when her opponent has to hit a 2nd serve.  If those factors hold, they could be the keys for a Keys victory.

Check's French Open Daily Data Viz hub page throughout the whole tournament for the latest data-driven infographics and charts from IBM, the official technology partner for the French Open. IBM captures and analyzes the data that powers all of the Grand Slams, as well as the digital platforms that extend the experience to fans around the world.