The stats provided here show some significant Yuumi against Senna matchup statistics that may help you understand the differences between this set of champs. For instance, Yuumi’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Senna’s KDA ratio of NaN, showing that Yuumi may be more central to her team's team fighting effectiveness than Senna..
Yuumi usually has a slightly smaller longest kill spree than her opponent does. Typically, she receives less damage than Senna. This is usually reflective of differing health capacities; however, it can also hint that the one champion has less agility and thus is unable to flee from additional harm when engaged or poked.
Both LoL champions are great. Both have their pros and cons. In League's current meta, Yuumi usually loses when trying to fight Senna, with a 43.1% win rate. Thus, Yuumi makes a bad counter to Senna.
While Yuumi does have a much lower winrate compared to Senna, when they face off with one another, Yuumi also has a much lower level of difficulty that makes her a less challenging character to develop with. You should be very concerned when picking Yuumi into Senna.
Additionally, Yuumi also has a great amount of CC and other utility, a similar amount to Senna. This makes her just as valuable during team fights, especially when facing champions with a ton of burst damage.
While there isn't a single best champion overall in League of Legends, in Yuumi vs Senna matchups, Senna 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 garbage counter for Senna. Make sure you focus your tactics on keeping up your gold income and destroying objectives. If you are able to do that, you should do very well as Yuumi against Senna.
If you would like to truly master Yuumi to counter Senna during both the lane and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tips and tricks for this matchup. If you mind the build and tips shown above, you should grow your win rate significantly and be closer to League of Legends pro players.
Yuumi typically racks up a lot less CS relative to Senna. Champs who on average don't take much CS typically don't have to have much CS to be valuable teammates, such as supports. These kinds of champions are capable of scaling well off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, usually need many items to be effective. In either case, try to exceed the numbers displayed on this page to do well.
The best items to focus on in your Yuumi versus Senna build include Ardent Censer, Moonstone Renewer, and Dawncore. When Yuumi combined at least these three items in her build, she performed significantly better against Senna than with most other commonly used item sets. In fact, Yuumi boasted an average winrate of 43.1% when countering Senna with these items in her kit.
To have the best likelihood of vanquishing Senna as Yuumi, Yuumi players should use the Summon Aery, Manaflow Band, Transcendence, Gathering Storm, Font of Life, and Revitalize runes from the Sorcery and Resolve rune sets. Of all the rune sets players used for Yuumi vs Senna fights, this order of runes yielded the greatest win rate. Notably, these runes provided a 43.1% win rate overall.
If you want to see Yuumi x Senna tips and counter builds for a a specific division rank, feel free to choose one from the selection menu provided above. By default, the stats and build suggestions given are computed using every game finished with both champs.