Try to position yourself so your ultimate's knockback is most effective.
Xin Zhao is a great initiator to combat. Lead the front to start a fight and use your ultimate to do the most damage possible.
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 stats shown here show several strategic Xin Zhao against Kai'Sa counter stats that can help us grasp the distinctions between the pair. For instance, Xin Zhao’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Kai'Sa’s ratio of NaN, highlighting that Xin Zhao may be more central to his team's team fighting capacity than Kai'Sa..
Xin Zhao typically has a similar longest kill spree as his opponent does. Commonly, he takes more damage than Kai'Sa. This often reflects different amounts of tankyness, yet it can also hint that the champion with increased HP has less mobility and thus is unable to escape further harm when poked or engaged.
Both League champions are great champions. Both champs have their pros and cons. In the game's current meta, Xin Zhao usually wins when trying to fight Kai'Sa, with a 54.6% win rate. Thus, Xin Zhao makes a great counter for Kai'Sa.
While Xin Zhao does have a much higher win rate than Kai'Sa, when on opposite teams, Xin Zhao also has a much lower learning curve that makes him a less time consuming champ to learn and master. You should be be fine when picking Xin Zhao into Kai'Sa.
Moreover, Xin Zhao has almost no amount of CC and other utility, a similar amount to Kai'Sa. This often makes her just as valuable during team fights, especially when trying to counter champions with a ton of burst damage.
While there is not one best champion in League of Legends, in Xin Zhao vs Kai'Sa matchups, Xin Zhao is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your teammates during late stage team fights.
Xin Zhao is a great counter for Kai'Sa. You will do well by focussing your actions on keeping up your CS and destroying objectives. If you do that, you should be able to stand on your own as Xin Zhao against Kai'Sa.
If you would like to truly master Xin Zhao to counter Kai'Sa during both the lane and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you mind the build and suggestions shown above, you will increase your win rate by a lot and be closer to League of Legends pro players.
Xin Zhao often racks up a lot less CS as Kai'Sa. Champs who typically don't get much CS usualy don't have to have much CS to be valuable teammates, such as sup champs. 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 several high cost items to be effective. In either case, try to do better than the numbers shown on this page to do well.
The ideal items to have in your Xin Zhao versus Kai'Sa build include Sterak's Gage, Titanic Hydra, and Death's Dance. When Xin Zhao included at least these three pieces in his build, he did significantly better versus Kai'Sa than with most other typical counter builds. In fact, Xin Zhao had an average winrate of 54.6% battling Kai'Sa with this counter build.
To have the greatest chance of defeating Kai'Sa as Xin Zhao, you should equip the Lethal Tempo, Triumph, Legend: Alacrity, Coup de Grace, Cosmic Insight, and Magical Footwear runes from the Precision and Inspiration rune sets. Out of all the rune combinations players used for Xin Zhao vs Kai'Sa battles, this composite of runes yielded the highest win rate. Moreover, these runes gave a 54.6% win rate overall.
By default, tips, statistics, and builds on how to beat Kai'Sa as Xin Zhao are given for all ranked divisions. To scope the statistics and builds to a particular division, you can use the selection menu earlier in the counter matchup guide.