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.
The stat comparisons shown on this page show several critical Jax versus Zeri matchup statistics that can help us grasp the distinctions between this set of champs. For instance, Jax’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Zeri’s KDA ratio of NaN, demonstrating that Jax may be more central to his team's team fighting capacity than Zeri..
Jax normally has a similar longest killing spree as his opponent does. Commonly, he takes more damage than Zeri. This commonly reflects different amounts of tankyness, yet it can also illustrate that the champ with more health has less mobility and thus is unable to kite away from additional harm when poked or engaged.
Both League of Legends champions are great. Both have their pros and cons. In League's current meta, Jax usually wins when taking on Zeri, with a 53.7% win rate. As a result, Jax makes a great counter to Zeri.
While Jax does have a higher win rate compared to Zeri, when on opposite teams, Jax also has a lower difficulty level that makes him a less time consuming champ to develop with. You should be be fine when picking Jax into Zeri.
Furthermore, Jax has some amount of CC and other utility, a similar amount to Zeri. This often makes her just as valuable during teamfights, especially when facing champions with a ton of burst damage.
While there isn't a single best champion in League of Legends, in Jax vs Zeri matchups, Jax is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your allies during team fights.
Jax is a great counter for Zeri. You will do well by focussing your strategy on keeping up your gold and cs and clearing objectives. If you can do that, you should be able to stand on your own as Jax against Zeri.
If you would like to truly master Jax in order to counter Zeri during both the early game and mid / late game phases of League of Legends, you should keep reading to pick up a few extra lessons on this matchup. If you listen to the build and suggestions displayed here, you should increase your win rate significantly and be that much closer to League of Legends pro players.
Jax usually accumulates less CS relative to Zeri. Champs who typically don't acquire much CS usualy don't have to have much CS to be valuable teammates, such as sup champs. They are able to scale properly off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually need several high cost items to be effective. In either situation, try to exceed the numbers displayed on this page to do well.
The most important items to use in your Jax versus Zeri build include Sterak's Gage, Spear of Shojin, and Sundered Sky. When Jax bought at least these three pieces in his build, he did a lot better when facing Zeri than with many other typical counter builds. In fact, Jax had an average winrate of 53.7% when countering Zeri with this build.
To have the greatest probability of crushing Zeri as Jax, you should use the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Bone Plating, and Unflinching runes from the Precision and Resolve rune sets. Out of all the rune combinations players used for Jax vs Zeri counterpicks, this combination of runes yielded the highest win rate. Moreover, these runes gave a 53.7% win rate overall.
By default, tips, stats, and builds on how to beat Zeri as Jax are displayed for all skill levels, merged. If you would like to filter the statistics and builds to a distinct skill level, you can use the selection menu located at the top of this page.