Cast World Ender when you are sure you can force a fight.
Use Umbral Dash while casting The Darkin Blade to increase your chances of hitting the enemy.
Crowd Control abilities like Infernal Chains or your allies' immobilizing effects will help you set up The Darkin Blade.
Kai'Sa is very vulnerable to getting outranged by mages and long range carries.
Make sure to place wards in your blind spots so you can see Kai'Sa coming.
Kai'Sa is very good at picking off isolated enemies. Stick together against her.
The stat comparisons shown on this page clarify several important Aatrox versus Kai'Sa counter stats that can help us figure out the distinctions between this pair of champions. For instance, Aatrox’s KDA ratio ([kills + assists] / deaths) of NaN is better than Kai'Sa’s KDA ratio of NaN, demonstrating that Aatrox may be more central to his team's team fighting capacity than Kai'Sa..
Aatrox normally has a slightly smaller longest kill spree than his opponent does. On average, he takes more damage than Kai'Sa. This commonly reflects differing health capacities, but it can also illustrate that the one champ has less mobility and thus is unable to kite away from additional damage when engaged or poked.
Both League of Legends champs are great champions. Both champs have their pros and cons. In League's current meta, Aatrox usually wins when playing against Kai'Sa, with a 55.1% win rate. Therefore, Aatrox makes a fantastic counter for Kai'Sa.
While Aatrox does have a much higher winrate compared to Kai'Sa, when on opposite teams, Aatrox also has a lower learning curve that makes him a less challenging champ to pick up and master. You don't need to be too worried when picking Aatrox into Kai'Sa.
Moreover, Aatrox has almost no amount of utility and CC, a similar amount to Kai'Sa. This makes her just as valuable during team fights, especially when facing champions with a ton of burst damage.
While there is not a single best champion for every situation in League of Legends, in Aatrox vs Kai'Sa matchups, Aatrox is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your allied champions during team fights.
Aatrox is a great counter to Kai'Sa. You will do well by focussing your actions on maximizing your CS and taking out objectives. If you can do that, you should hold your own as Aatrox against Kai'Sa.
To learn all of the intricacies of Aatrox to counter Kai'Sa during both the early game and mid / late game phases of League of Legends, you should keep reading to gather a few extra tricks and insights into this matchup. If you pay attention to the build and suggestions displayed above, you should increase your win rate by a lot and be closer to League of Legends pro players.
Aatrox most often picks up a similar amount of CS as Kai'Sa. Champions who on average don't get much CS usualy don't need much CS to be valuable teammates, such as support champions. They are able to scale well off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, often require a lot of items to be effective. In either situation, try to do better than the values displayed on this page to do well.
The ideal items to have in your Aatrox versus Kai'Sa build include Sterak's Gage, Spear of Shojin, and Death's Dance. When Aatrox incorporated at least these three items in his build, he did significantly better when fighting Kai'Sa than with many other typical counter builds. In fact, Aatrox had an average winrate of 55.1% when playing against Kai'Sa with this counter build.
To have the best probability of annihilating Kai'Sa as Aatrox, you should use the Conqueror, Triumph, Legend: Tenacity, Last Stand, Revitalize, and Second Wind runes from the Precision and Resolve rune sets. Of all the rune builds players chose for Aatrox vs Kai'Sa counter picks, this composite of runes yielded the best win rate. Notably, these runes provided a 55.1% winrate overall.
By default, tips, statistics, and builds on how to beat Kai'Sa as Aatrox are shown for every ranked division. If you would like to narrow the stats and builds to a particular rank, you should use the selection menu at the top of this page.