Deny Vayne the opportunity to pin you against walls.
Vayne is fragile - turn the pressure up on her and she will be forced to play cautiously.
The stat comparisons shown on this page show several significant Yuumi against Vayne matchup statistics that may help us interpret the differences between the pair. Yuumi’s KDA ratio ([kills + assists] / deaths) of NaN is better than Vayne’s ratio of NaN, showing that Yuumi may be more central to her team's team fighting capacity than Vayne. This observation is largely a result of the differences in assists.
Yuumi normally has a significantly smaller longest kill spree than her counter does. Typically, she receives less damage than Vayne. This commonly reflects differing health capacities, but it can also illustrate that the one champ has less agility and thus is unable to flee from additional damage when poked or engaged.
Both League champs are great champions. Both champs have their strengths, weaknesses, and counters. In League's current meta, Yuumi usually loses when playing against Vayne, with a 42.8% win rate. Thus, Yuumi makes a poor counter to Vayne.
While Yuumi does have a much lower winrate than Vayne, when on opposite teams, Yuumi also has a much lower learning curve that makes her a less difficult champ to learn. You should be very concerned when picking Yuumi into Vayne.
Furthermore, Yuumi also has a lot of CC and other utility, a similar amount to Vayne. This often makes her just as valuable during teamfights, especially when facing champions with a lot of burst damage.
While there isn't one best champion for every situation in League of Legends, in Yuumi vs Vayne matchups, Vayne is the better champion with a much lower win rate, less champion complexity, and a similar amount of utility to help out your allied champions during late stage team fights.
Yuumi is a garbage counter to Vayne. You will do well by focussing your play on keeping up your CS and destroying objectives. If you are able to do that, you should be able to stand on your own as Yuumi against Vayne.
If you would like to truly master Yuumi to counter Vayne during both the laning 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 listen to the build and tips displayed here, you will increase your win rate significantly and be that much closer to League of Legends pro players.
Yuumi most often racks up a lot less CS as Vayne. Champs who typically don't acquire many minion kills usualy don't have to have much CS to be effective, such as support champions. They are capable of scaling well off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, usually need a lot of items to be effective. In either case, try to exceed the numbers shown on this page to do well.
The most crucial items to focus on in your Yuumi versus Vayne build include Ardent Censer, Moonstone Renewer, and Dawncore. When Yuumi combined at least these three items in her build, she performed much better against Vayne than with most other common item sets. In fact, Yuumi had an average win rate of 42.8% battling Vayne with this counter build.
To have the best likelihood of defeating Vayne as Yuumi, you should equip the Summon Aery, Manaflow Band, Transcendence, Scorch, Font of Life, and Revitalize runes from the Sorcery and Resolve rune sets. Of all the rune sets that we analyzed for Yuumi vs Vayne matchups, this mixture of runes yielded the greatest win rate. Moreover, these runes provided a 42.8% winrate overall.
If you want to see Yuumi x Vayne tips and counter builds for a a distinct division rank, feel free to select one from the selection menu displayed above. If viewing for the first time, the stats and guides displayed are calculated using all rounds with data with both champions.