Grand Challenge allows Fiora to take down even the most durable opponents and then recover if successful, so do not hesitate to attack the enemy's front line.
Thanks to Duelist's Dance, Fiora excels at quick trades. Use the Move Speed boost from striking a Vital to escape unscathed or set up for the next one.
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 on this page show some strategic Fiora vs. Jax counter statistics that may help us appreciate the differences between the pair. For instance, Fiora’s KDA ratio ([kills + assists] / deaths) of NaN is more than Jax’s KDA ratio of NaN, showing that Fiora may be more central to her team's team fighting effectiveness than Jax..
Fiora normally has a similar longest kill spree as her enemy does. On average, she receives a similar amount of damage to Jax. This commonly reflects differing health capacities, but it can also illustrate that the one champion has less agility and thus is unable to escape further damage when engaged or poked.
Both League of Legends champions are great champions. Both have their pros and cons. In League's current meta, Fiora usually fairs equally well when trying to fight Jax, with a 49.9% win rate. Thus, Fiora makes an ok counter to Jax.
While Fiora does have a lower win rate than Jax, when on opposite teams, Fiora also has a lower difficulty level that makes her a less time consuming champ to pick up and master. You should be careful when picking Fiora into Jax.
Moreover, Fiora also has almost no amount of CC and other utility, a similar amount to Jax. This makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there isn't one best champion for every situation in League of Legends, in Fiora vs Jax matchups, Jax is the better champ with a similar win rate, less champion complexity, and a similar amount of utility to help out your team members during team fights.
Fiora is a somewhat poor counter for Jax. You will do well by focussing your tactics on keeping up your gold and cs and clearing objectives. If you can do that, you should do very well as Fiora against Jax.
If you would like to truly master Fiora in order to counter Jax 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 pay attention to the build and stats shown above, you will grow your win rate by a lot and be that much closer to League of Legends pro players.
Fiora often picks up more CS relative to Jax. Champions who typically don't earn much CS often don't need much CS to be effective, such as supports. These kinds of champions are capable of scaling properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically need many items to be effective. In either case, try to do better than the values reported on this page to do well.
The most important items to prioritize in your Fiora versus Jax build include Guardian Angel, Trinity Force, and Death's Dance. When Fiora bought at least these three pieces in her build, she did a lot better vs. Jax than with many other commonly used builds. In fact, Fiora had an average win rate of 49.9% when countering Jax with this build.
To have the greatest chance of beating Jax as Fiora, Fiora players should take the Conqueror, Presence of Mind, Legend: Alacrity, Last Stand, Demolish, and Bone Plating runes from the Precision and Resolve rune sets. Of all the rune combinations players used for Fiora vs Jax LoL games, this order of runes yielded the highest win rate. Moreover, these runes provided a 49.9% win rate overall.
By default, tips, stats, and builds on how to beat Jax as Fiora are shown for all ranked divisions combined. If you would like to narrow the statistics and builds to a particular player tier, you may use the selection menu located earlier in the counter matchup guide.