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.
Kill all of Zac's bloblets when he splits apart to stop him from reforming.
Silences, stuns, roots and knockups will all interrupt Zac when he is charging Elastic Slingshot.
Zac heals from the goo that separates from him. You can crush the goo pieces by stepping on them.
The stats provided here emphasize several strategic Jax against Zac counter stats that can help us realize the differences between the pair. For instance, Jax’s KDA ratio ([kills + assists] / deaths) of NaN is better than Zac’s ratio of NaN, indicating that Jax may be more central to his team's team fighting effectiveness than Zac..
Jax normally has a slightly larger longest kill spree than his counter does. Commonly, he takes less damage than Zac. This is usually reflective of different amounts of tankyness; however, it can also imply that the one champ has less agility and thus is not able to flee from further damage when poked or engaged.
Both League champs are great champions. Both champs have their pros and cons. In League's current meta, Jax usually loses when playing against Zac, with a 48.5% win rate. As a result, Jax makes a bad counter to Zac.
While Jax does have a lower win rate than Zac, when facing one another, Jax also has a lower learning curve that makes him a less difficult champion to pick up and master. You should be careful when picking Jax into Zac.
Additionally, Jax also has some amount of utility and CC, a similar amount to Zac. This makes her just as valuable during team fights, especially when trying to counter champions with a lot of burst damage.
While there is not a single best champion for every situation in League of Legends, in Jax vs Zac matchups, Zac is the better champ with a lower win rate, less champion complexity, and a similar amount of utility to help out your allies during team fights.
Jax is a somewhat poor counter to Zac. Make sure you focus your gameplay on keeping up your gold income and destroying objectives. If you do that, you should hold your own as Jax against Zac.
If you would like to learn all of the intricacies of Jax to counter Zac during both the early game and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you mind the build and stats shown above, you should increase your win rate significantly and be closer to League of Legends pro players.
Jax usually picks up more CS as Zac. Champs who typically don't acquire much CS typically don't require much CS to be effective, such as supports. They are able to scale properly off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, usually have to have a lot of items to be effective. In either situation, try to surpass the values displayed on this page to do well.
The most crucial items to prioritize in your Jax versus Zac build include Sterak's Gage, Blade of The Ruined King, and Sundered Sky. When Jax used at least these three items in his build, he performed significantly better vs Zac than with many other commonly used builds. In fact, Jax boasted an average winrate of 48.5% when countering Zac with these items in his kit.
To have the highest likelihood of coming out on top against Zac as Jax, you should equip the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Magical Footwear, and Cosmic Insight runes from the Precision and Inspiration rune sets. Out of all the rune builds players chose for Jax vs Zac face-offs, this order of runes yielded the highest win rate. Moreover, these runes averaged a 48.5% winrate overall.
If you would like to see Jax x Zac tips and counter builds for a a specific skill level, feel free to select one from the selection menu shown above. If viewing for the first time, the statistics and build suggestions shown are computed using every round completed with these champions.