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.
Be careful about how close you let Viktor get to you. Viktor's control of the battlefield increases with his proximity to his opponent.
Be aware of how many augments Viktor has upgraded by looking at the color of the light on his staff (purple, yellow, blue, red).
The stat comparisons shown here clarify some critical Jax against Viktor counter statistics that may help us grasp the differences between the pair. As an example, Jax’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Viktor’s KDA ratio of NaN, showing that Jax may be more central to his team's team fighting potential than Viktor..
Jax typically has a similar longest killing spree as his counter does. On average, he takes more damage than Viktor. This often reflects different amounts of tankyness, but it can also imply that the one champion has less mobility and thus is not able to kite away from further damage when engaged or poked.
Both League of Legends champions are great. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Jax usually fairs equally well when playing against Viktor, with a 50.5% win rate. Therefore, Jax makes an ok counter for Viktor.
While Jax does have a higher winrate than Viktor, when they face off with one another, Jax also has a much lower learning curve that makes him a less challenging champ to pick up and master. You should be careful when picking Jax into Viktor.
Moreover, Jax also has some amount of utility and CC, a similar amount to Viktor. This makes her just as valuable during team fights, especially when fighting champions with a ton of burst damage.
While there isn't a single best champion in League of Legends, in Jax vs Viktor matchups, Jax is the better champ with a similar win rate, less champion complexity, and a similar amount of utility to help out your teammates during teamfights.
Jax is a decent counter for Viktor. You will do well by focussing your actions on keeping up your gold and cs and destroying objectives. If you do that, you should do very well as Jax against Viktor.
If you would like to truly master Jax to counter Viktor during both the early game and mid / late game phases of League of Legends, you should continue reading to gather a few extra tips and tricks for this matchup. If you listen to the build and suggestions shown above, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Jax usually gets less CS relative to Viktor. Champions who on average don't acquire much CS often don't have to have much CS to be effective, such as supports. These kinds of champions are able to scale properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, often have to have a lot of items to be effective. In either situation, try to do better than the values displayed here to do well.
The most important items to use in your Jax versus Viktor build include Trinity Force, Titanic Hydra, and Sundered Sky. When Jax used at least these three pieces in his build, he performed much better versus Viktor than with many other common counter builds. In fact, Jax had an average winrate of 50.5% when countering Viktor with these items in his kit.
To have the highest chance of vanquishing Viktor as Jax, you should equip the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Cosmic Insight, and Magical Footwear runes from the Precision and Inspiration rune sets. Out of all the rune builds that we analyzed for Jax vs Viktor LoL games, this mixture of runes resulted in the highest win rate. In fact, these runes averaged a 50.5% win rate overall.
By default, tips, statistics, and builds on how to beat Viktor as Jax are presented for all ranked divisions combined. If you want to scope the stats and builds to an individual player tier, you should use the selection menu earlier in the counter matchup guide.