Riven vs Mordekaiser

Rank	Win Rate	Mordekaiser wins50 %Riven wins	Games
Iron	too few games		14
Bronze	too few games		10
Silver	too few games		4
Gold	too few games		9
Platinum	too few games		19
Emerald	too few games		16
Diamond	too few games		22
Master	too few games		14
Grandmaster	too few games		2
Challenger	too few games		2

Patch 26.19: 13 games, too few for a win rate Games from patch 26.12 to 26.19