Don't go in first to a large teamfight. Wait for your teammates to initiate.
Tumble has many uses, but it cannot pass over walls.
Condemn can be used to both pin targets to walls to ensure a kill, or to escape a pursuer.
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 stats shown here emphasize some significant Vayne versus Jax counter stats that can help us figure out the differences between this pair of champs. Vayne’s KDA ratio ([kills + assists] / deaths) of NaN is more than Jax’s ratio of NaN, demonstrating that Vayne may be more central to her team's team fighting capability than Jax..
Vayne often has a similar longest kill spree as her foe does. Commonly, she receives less damage than Jax. This often reflects differing health capacities, but it can also show that the one champion has less mobility and thus is unable to kite away from additional damage when engaged or poked.
Both League champions are great. Both have their strengths, weaknesses, and counters. In League's current meta, Vayne usually fairs equally well when taking on Jax, with a 49.1% win rate. Therefore, Vayne makes an ok counter for Jax.
While Vayne does have a lower winrate than Jax, when they face off with one another, Vayne also has a much greater difficulty level that makes her a more complex champ to learn and master. You should be careful when picking Vayne into Jaxas her relative depth means that you may not be able to reach her full potential without a lot of practice beforehand.
Furthermore, Vayne also has some amount of utility and CC, a similar amount to Jax. This makes her just as valuable during teamfights, especially when fighting champions with a ton of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Vayne vs Jax matchups, Jax is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your team members during late stage team fights.
Vayne is a somewhat poor counter to Jax. You will do well by focussing your tactics on increasing your gold income and clearing objectives. If you are able to do that, you should be able to stand on your own as Vayne against Jax.
To truly master Vayne in order to counter Jax during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tricks and insights into this matchup. If you mind the build and suggestions shown here, you will grow your win rate significantly and be closer to League of Legends pro players.
Vayne typically picks up a similar amount of CS relative to Jax. Champions who on average don't take much CS usualy don't require much CS to be valuable teammates, such as supports. These kinds of champions are capable of scaling properly off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually have to have several high cost items to be effective. In either case, try to do better than the values reported here to do well.
The most important items to prioritize in your Vayne versus Jax build consist of Bloodthirster, Guinsoo's Rageblade, and Terminus. When Vayne bought at least these three items in her build, she performed significantly better vs Jax than with many other commonly used item sets. In fact, Vayne had an average winrate of 49.1% when countering Jax with this build.
To have the highest chance of coming out on top against Jax as Vayne, Vayne players should use the Fleet Footwork, Triumph, Legend: Alacrity, Coup de Grace, Magical Footwear, and Biscuit Delivery runes from the Precision and Inspiration rune sets. Out of all the runes players picked for Vayne vs Jax counter picks, this set of runes yielded the best win rate. Moreover, these runes provided a 49.1% win rate overall.
If you want to see Vayne versus Jax tips and counter stats for a an individual skill level, feel free to select one from the selection menu shown above. If viewing for the first time, the statistics and guides displayed are calculated using every round with data with these champs.