Jax benefits greatly from items that have both Ability Power and Attack Damage such as Guinsoo's Rageblade and Hextech Gunblade.
Jax can Leap Strike to friendly units, including wards. You can use them to plan your escape.
Cataclysm's terrain is a frightening force to fight against, but movement abilities can go through it.
Keep out of the path between Jarvan IV and his Demacian Standard to avoid being knocked up in the air.
The stat comparisons shown here highlight several important Jax vs. Jarvan IV counter statistics that can help us explain the differences and similarities between this set of champs. For instance, Jax’s KDA ratio ([kills + assists] / deaths) of NaN is more than Jarvan IV’s KDA ratio of NaN, demonstrating that Jax may be more central to his team's team fighting potential than Jarvan IV..
Jax typically has a similar longest killing spree as his matchup does. Commonly, he receives a similar amount of damage to Jarvan IV. This typically indicates differing health capacities, but it can also illustrate that the one champion has less agility and thus is not able to kite away from additional damage when engaged or poked.
Both LoL champs are great champions. Both have their pros and cons. In the game's current meta, Jax usually wins when taking on Jarvan IV, with a 52.6% win rate. Therefore, Jax makes a good counter to Jarvan IV.
While Jax does have a higher win rate compared to Jarvan IV, when on opposite teams, Jax also has a greater learning curve that makes him a more challenging character to pick up and master. You should be be fine when picking Jax into Jarvan IV.
Additionally, Jax has some amount of utility and CC, a similar amount to Jarvan IV. This often makes her just as valuable during teamfights, especially when fighting champions with a ton of burst damage.
While there is not a single best champion for every situation in League of Legends, in Jax vs Jarvan IV matchups, Jax is the better champion with a noticably higher win rate, similar champion depth, and a similar amount of utility to help out your allied champions during teamfights.
Jax is an above average counter to Jarvan IV. Focus your strategy on keeping up your gold income and destroying objectives. If you are able to do that, you should hold your own as Jax against Jarvan IV.
If you would like to truly master Jax in order to counter Jarvan IV during both the early game and mid / late game phases of League of Legends, you should continue reading to learn a few extra tips and tricks for this matchup. If you listen to the build and tips displayed above, you will grow your win rate by a lot and be closer to League of Legends pro players.
Jax on average accumulates much more CS compared to Jarvan IV. Champs who typically don't acquire much CS typically don't require much CS to be effective, such as sup champs. These kinds of champions are able to scale properly off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, often require a lot of items to be effective. In either situation, try to surpass the numbers reported on this page to do well.
The most crucial items to prioritize in your Jax versus Jarvan IV build consist of Sterak's Gage, Trinity Force, and Titanic Hydra. When Jax combined at least these three items in his build, he performed much better against Jarvan IV than with most other common counter builds. In fact, Jax boasted an average win rate of 52.6% when playing against Jarvan IV with these items in his kit.
To have the greatest probability of coming out on top against Jarvan IV as Jax, Jax players should use the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Magical Footwear, and Cosmic Insight runes from the Precision and Inspiration rune sets. Of all the rune combinations that we analyzed for Jax vs Jarvan IV fights, this mix of runes resulted in the greatest win rate. In fact, these runes gave a 52.6% winrate overall.
By default, tips, statistics, and builds on how to beat Jarvan IV as Jax are given for all ranked divisions. To filter the statistics and builds to an individual division, you can use the selection menu above.