Remember that nearby enemies can see which wall you're in.
Look at the line-up of both your team and the enemy's team when picking your form.
Yasuo's shield from Resolve lasts only 2 seconds. Dealing damage to him will trigger it. Wait it out, then engage.
Steel Tempest is very narrow. Dodge laterally if possible.
Yasuo is at his weakest just after he has launched a whirlwind. Engage at that point.
When Yasuo lands two Steel Tempests in a row, his next will fire a tornado. Watch and listen for the associated sound to prepare to dodge.
The stat comparisons provided here feature several influential Kayn vs. Yasuo matchup statistics that may help you appreciate the distinctions between the two. As an example, Kayn’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Yasuo’s KDA ratio of NaN, highlighting that Kayn may be more central to his team's team fighting potential than Yasuo..
Kayn normally has a similar longest killing spree as his enemy does. Commonly, he receives more damage than Yasuo. This is usually reflective of differing health capacities, yet it can also illustrate that the one champion has less mobility and thus is unable to escape further damage when poked or engaged.
Both LoL champions are great. Both champs have their pros and cons. In the game's current meta, Kayn usually fairs equally well when playing against Yasuo, with a 49.0% win rate. Therefore, Kayn makes an ok counter for Yasuo.
While Kayn does have a lower winrate compared to Yasuo, when on opposite teams, Kayn also has a lower difficulty level that makes him a less complex champion to learn and master. You should be careful when picking Kayn into Yasuoas his relative depth means you may not be able to reach his full potential without a lot of practice beforehand.
Furthermore, Kayn also has only a small amount of CC and other utility, a similar amount to Yasuo. This makes her just as valuable during team fights, especially when trying to counter champions with a ton of burst damage.
While there is not a single best champion overall in League of Legends, in Kayn vs Yasuo matchups, Yasuo is the better champion with a similar win rate, less champion complexity, and a similar amount of utility to help out your allied champions during teamfights.
Kayn is a somewhat poor counter to Yasuo. You will do well by focussing your actions on maximizing your CS and destroying objectives. If you can do that, you should do very well as Kayn against Yasuo.
If you would like to learn all of the intricacies of Kayn to counter Yasuo 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 tips presented above, you will grow your win rate by a lot and be closer to League of Legends pro players.
Kayn most often racks up a lot less CS as Yasuo. Champions who typically don't earn much CS often don't need much CS to be effective, such as support champions. They are capable of scaling well off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically need several high cost items to be effective. In either situation, try to do better than the numbers shown on this page to do well.
The best items to focus on in your Kayn versus Yasuo build include Guardian Angel, Serylda's Grudge, and Profane Hydra. When Kayn included at least these three items in his build, he performed a lot better versus Yasuo than with most other common item sets. In fact, Kayn boasted an average win rate of 49.0% when playing against Yasuo with this counter build.
To have the highest probability of crushing Yasuo as Kayn, you should use the Conqueror, Triumph, Legend: Tenacity, Last Stand, Cosmic Insight, and Magical Footwear runes from the Precision and Inspiration rune sets. Out of all the rune sets players used for Kayn vs Yasuo clashes, this combination of runes yielded the best win rate. Moreover, these runes averaged a 49.0% winrate overall.
By default, tips, statistics, and builds on how to beat Yasuo as Kayn are shown for all ranked divisions combined. If you would like to scope the stats and builds to an individual player tier, you can use the selection menu located earlier in the counter matchup guide.