

This will vary because unlike other stat sites we include 100% of a brackets champions played and never include champions that don't belong in the bracket.
Iron Champions Analysed: 20,437,153
We include 100% of the champions played of every selected tier bracket in our analysis, we never include champions from outside the tier quoted tier.


Jarvan IV Counters
Jarvan IV support vs support Counters
Jarvan IV support on Patch 30 is the strongest counter to support champions of Nautilus, Yuumi & Leona. While Jarvan IV support is countered most by support champions of Seraphine, Pyke & Blitzcrank. Below is a detailed breakdown of Jarvan IV support counters against support champions with a minimum of 100 games.


Seraphine
the Starry-Eyed Songstress
Jarvan IV wins against Seraphine 45.71% of the time which is 6.18% lower against Seraphine than the average opponent.
After normalising both champions win rates Jarvan IV wins against Seraphine 4.05% less often than would be expected.
The average opponent winrate against Seraphine is 51.89%.


Pyke
the Bloodharbor Ripper
Jarvan IV wins against Pyke 46.73% of the time which is 6.37% lower against Pyke than the average opponent.
After normalising both champions win rates Jarvan IV wins against Pyke 4.24% less often than would be expected.
The average opponent winrate against Pyke is 53.10%.


Blitzcrank
the Great Steam Golem
Jarvan IV wins against Blitzcrank 47.11% of the time which is 4.69% lower against Blitzcrank than the average opponent.
After normalising both champions win rates Jarvan IV wins against Blitzcrank 2.56% less often than would be expected.
The average opponent winrate against Blitzcrank is 51.80%.


Thresh
the Chain Warden
Jarvan IV wins against Thresh 47.86% of the time which is 3.79% lower against Thresh than the average opponent.
After normalising both champions win rates Jarvan IV wins against Thresh 1.66% less often than would be expected.
The average opponent winrate against Thresh is 51.65%.


Mel
the Soul's Reflection
Jarvan IV wins against Mel 49.52% of the time which is 3.76% lower against Mel than the average opponent.
After normalising both champions win rates Jarvan IV wins against Mel 1.63% less often than would be expected.
The average opponent winrate against Mel is 53.28%.


Lux
the Lady of Luminosity
Jarvan IV wins against Lux 50.29% of the time which is 0.11% lower against Lux than the average opponent.
After normalising both champions win rates Jarvan IV wins against Lux 2.02% more often than would be expected.
The average opponent winrate against Lux is 50.40%.


Morgana
the Fallen
Jarvan IV wins against Morgana 50.77% of the time which is 1.07% higher against Morgana than the average opponent.
After normalising both champions win rates Jarvan IV wins against Morgana 3.20% more often than would be expected.
The average opponent winrate against Morgana is 49.70%.


Leona
the Radiant Dawn
Jarvan IV wins against Leona 54.74% of the time which is 5.06% higher against Leona than the average opponent.
After normalising both champions win rates Jarvan IV wins against Leona 7.19% more often than would be expected.
The average opponent winrate against Leona is 49.68%.


Yuumi
the Magical Cat
Jarvan IV wins against Yuumi 55.05% of the time which is 1.91% higher against Yuumi than the average opponent.
After normalising both champions win rates Jarvan IV wins against Yuumi 4.04% more often than would be expected.
The average opponent winrate against Yuumi is 53.14%.


Nautilus
the Titan of the Depths
Jarvan IV wins against Nautilus 55.56% of the time which is 4.02% higher against Nautilus than the average opponent.
After normalising both champions win rates Jarvan IV wins against Nautilus 6.15% more often than would be expected.
The average opponent winrate against Nautilus is 51.54%.