Picking up Daggers will significantly reduce Shunpo's cooldown.
Try waiting until the other team is distracted with fighting your team, and use Shunpo to teleport into the fray and unleash a devastating Death Lotus.
Using Shunpo on an allied Champion, Dagger, or minion can be a great escape tactic.
Try to engage him in short bursts instead of going toe-to-toe with him. Preventing him from attacking consecutively drastically lowers his damage output.
Jax can dodge all incoming attacks for a very short amount of time and stuns enemies in melee range when it ends. Wait to strike him until after his dodge is finished.
The stat comparisons shown here show several vital Katarina vs. Jax counter statistics that can help you explain the differences between the pair. Katarina’s KDA ratio ([kills + assists] / deaths) of NaN is more than Jax’s KDA ratio of NaN, demonstrating that Katarina may be more central to her team's team fighting effectiveness than Jax..
Katarina typically has a slightly larger longest kill spree than her matchup does. Typically, she takes less damage than Jax. This is usually reflective of different amounts of tankyness; however, it can also hint that the champ with more health has less agility and thus is not able to flee from additional damage when poked or engaged.
Both LoL champions are great champions. Both have their pros and cons. In League's current meta, Katarina usually loses when facing off against Jax, with a 46.6% win rate. Thus, Katarina makes a bad counter for Jax.
While Katarina does have a lower winrate than Jax, when on opposite teams, Katarina also has a much greater level of difficulty that makes her a more complex champ to develop with. You may get destroyed when picking Katarina into Jaxas her relative depth means that you may not be able to reach her full potential without a significant amount of practice beforehand.
Additionally, Katarina has almost no amount of CC and other utility, a similar amount to Jax. This often makes her just as valuable during team fights, especially when fighting champions with a lot of burst damage.
While there is not a single best champion overall in League of Legends, in Katarina vs Jax matchups, Jax is the better champ with a much lower win rate, more champion depth, and a similar amount of utility to help out your allied champions during late stage team fights.
Katarina is a terribly counter for Jax. You will do well by focussing your actions on maximizing your gold and cs and clearing objectives. If you can do that, you should be able to stand on your own as Katarina against Jax.
If you would like to truly master Katarina to counter Jax during both the lane 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 suggestions shown above, you will increase your win rate by a lot and be that much closer to League of Legends pro players.
Katarina usually gets a similar amount of CS relative to Jax. Champs who typically don't acquire many minion kills typically don't have to have much CS to be effective, such as sup champs. These kinds of champions are able to scale well off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, often need a lot of items to be effective. In either case, try to surpass the values displayed on this page to do well.
The most important items to prioritize in your Katarina versus Jax build include Rabadon's Deathcap, Lich Bane, and Stormsurge. When Katarina bought at least these three pieces in her build, she performed a lot better countering Jax than with many other commonly used counter builds. In fact, Katarina had an average win rate of 46.6% when playing against Jax with these items in her kit.
To have the highest likelihood of coming out on top against Jax as Katarina, you should use the Electrocute, Sudden Impact, Eyeball Collection, Ingenious Hunter, Triumph, and Coup de Grace runes from the Domination and Precision rune sets. Of all the rune combinations players picked for Katarina vs Jax matchups, this set of runes resulted in the greatest win rate. In fact, these runes averaged a 46.6% win rate overall.
By default, tips, stats, and builds on how to beat Jax as Katarina are shown for all ranked divisions. If you want to narrow the stats and builds to an individual skill level, you may use the selection menu located above.