Who wins Jarvan IV vs Riven?
MID.GG has 1 high-elo VOD of this matchup so far, not enough games yet to call it.
In 1 high-elo game (latest patch 26.21), Jarvan IV won 0% against Riven. The average game ended 5.0/6.0/9.0 for Jarvan IV. That is not enough games yet to say who the matchup favours.
One Jarvan IV setup into Riven takes Conqueror (Precision and Inspiration) and builds Profane Hydra, Axiom Arc and Voltaic Cyclosword. It shows up in 1 of 1 game.
Taken from the 1 VOD on this page, patch 26.21.
Every streamer in the library with ranked Jarvan IV games, most games first. Each links to their VODs on MID.GG.
MID.GG has 1 high-elo VOD of this matchup so far, not enough games yet to call it.
No rune page repeats yet in the 1 high-elo VOD on MID.GG; one game ran the Conqueror rune page, building Profane Hydra, Axiom Arc and Voltaic Cyclosword first.
The most recent games in this matchup, newest first.

