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 shown here show several critical Yuumi vs. Yasuo matchup stats that may help you appreciate the differences and similarities between this set of champions. As an example, Yuumi’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Yasuo’s ratio of NaN, showing that Yuumi may be more central to her team's team fighting potential than Yasuo. This observation is largely fueled by the differences in assists.
Yuumi typically has a significantly smaller longest kill spree than her opponent does. On average, she takes less damage than Yasuo. This is usually reflective of differing health capacities, but it can also indicate that the champion with more HP has less mobility and thus is not able to kite away from further damage when poked or engaged.
Both League champs are great. Both have their strengths, weaknesses, and counters. In the game's current meta, Yuumi usually loses when taking on Yasuo, with a 39.9% win rate. Thus, Yuumi makes a bad counter for Yasuo.
While Yuumi does have a much lower winrate than Yasuo, when on opposite teams, Yuumi also has a much lower level of difficulty that makes her a less difficult character to learn and master. You should expect to face a difficult match when picking Yuumi into Yasuo.
Additionally, Yuumi also has a great amount of CC and other utility, a similar amount to Yasuo. This makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there isn't one best champion for every situation in League of Legends, in Yuumi vs Yasuo matchups, Yasuo is the better champion with a much lower win rate, less champion complexity, and a similar amount of utility to help out your teammates during late stage team fights.
Yuumi is a terribly counter to Yasuo. Make sure you focus your tactics on increasing your gold and cs and clearing objectives. If you can do that, you should do very well as Yuumi against Yasuo.
To learn all of the intricacies of Yuumi in order to counter Yasuo during both the laning and mid / late game phases of League of Legends, you should continue reading to gather a few extra lessons on this matchup. If you mind the build and suggestions presented here, you should grow your win rate by a lot and be closer to League of Legends pro players.
Yuumi often racks up a lot less CS compared to Yasuo. Champions who on average don't take much CS typically don't require much CS to be effective, such as sup champs. They are capable of scaling properly off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, typically need a lot of items to be effective. In either case, try to surpass the numbers displayed on this page to do well.
The most important items to use in your Yuumi versus Yasuo build include Ardent Censer, Imperial Mandate, and Staff of Flowing Water. When Yuumi combined at least these three items in her build, she performed much better against Yasuo than with most other typical item sets. In fact, Yuumi boasted an average winrate of 39.9% when countering Yasuo with these items in her kit.
To have the greatest likelihood of coming out on top against Yasuo as Yuumi, you should use the Summon Aery, Manaflow Band, Transcendence, Scorch, Font of Life, and Revitalize runes from the Sorcery and Resolve rune sets. Out of all the rune builds players used for Yuumi vs Yasuo face-offs, this combo of runes yielded the greatest win rate. In fact, these runes gave a 39.9% winrate overall.
By default, tips, stats, and builds on how to beat Yasuo as Yuumi are given for every ranked division. If you would like to scope the stats and builds to a particular division, you can use the selection menu above.