Keep behind allied minions if Caitlyn is harassing you with Piltover Peacemaker (it deals less damage with each subsequent target).
You can intercept Ace in the Hole's missile from hitting an ally if you stand in its path.
The stat comparisons shown on this page clarify several significant Yuumi vs. Caitlyn counter statistics that can help us explain the differences and similarities between the pair. As an example, Yuumi’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Caitlyn’s KDA ratio of NaN, demonstrating that Yuumi may be more central to her team's team fighting capacity than Caitlyn. This observation is in large part fueled by the differences in assists.
Yuumi usually has a significantly smaller longest kill spree than her enemy does. Commonly, she receives less damage than Caitlyn. This typically indicates different amounts of tankyness, but it can also imply that the one champion has less mobility and thus is unable to flee from further harm when engaged or poked.
Both League of Legends champions are great champions. Both champs have their pros and cons. In the game's current meta, Yuumi usually loses when facing off against Caitlyn, with a 45.0% win rate. Therefore, Yuumi makes a poor counter for Caitlyn.
While Yuumi does have a much lower winrate compared to Caitlyn, when on opposite teams, Yuumi also has a much lower learning curve that makes her a less challenging champion to learn. You should be very concerned when picking Yuumi into Caitlyn.
Additionally, Yuumi also has a lot of CC and other utility, a similar amount to Caitlyn. This often makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there isn't one best champion overall in League of Legends, in Yuumi vs Caitlyn matchups, Caitlyn is the better champion with a much lower win rate, less champion complexity, and a similar amount of utility to help out your allies during team fights.
Yuumi is a bad counter to Caitlyn. Focus your gameplay on keeping up your CS and taking out objectives. If you can do that, you should be able to stand on your own as Yuumi against Caitlyn.
To truly master Yuumi to counter Caitlyn during both the laning 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 presented above, you should increase your win rate significantly and be that much closer to League of Legends pro players.
Yuumi often racks up a lot less CS relative to Caitlyn. Champions who typically don't acquire many minion kills typically don't need much CS to be effective, such as supports. They are able to scale well off of their skills, stats, and first items alone. Yet, champs with a lot of CS, such as hyper-carries, typically have to have many items to be effective. In either case, try to surpass the values displayed on this page to do well.
The top items to have in your Yuumi versus Caitlyn build include Redemption, Mikael's Blessing, and Moonstone Renewer. When Yuumi incorporated at least these three items in her build, she performed much better vs. Caitlyn than with many other typical counter builds. In fact, Yuumi boasted an average winrate of 45.0% battling Caitlyn with this counter build.
To have the greatest chance of annihilating Caitlyn as Yuumi, Yuumi players should equip the Summon Aery, Manaflow Band, Transcendence, Scorch, Presence of Mind, and Cut Down runes from the Sorcery and Precision rune sets. Of all the runes players picked for Yuumi vs Caitlyn counterpicks, this composite of runes resulted in the best win rate. Notably, these runes provided a 45.0% win rate overall.
If you would like to view Yuumi vs Caitlyn tips and counter builds for a a specific division, feel free to select one from the selection menu provided above. If viewing for the first time, the stats and strategies given are calculated using all rounds finished with both champs.