Olaf can combine Berserker Rage, Vicious Strikes, and Ragnarok at low life to become deceptively strong.
The bonus healing granted by Vicious Strikes amplifies your Life Steal from all sources as well as heals from allies.
The stat comparisons shown here emphasize several influential Olaf versus Senna matchup statistics that can help us realize the differences between this pair of champs. For instance, Olaf’s KDA ratio ([kills + assists] / deaths) of NaN is better than Senna’s ratio of NaN, demonstrating that Olaf may be more central to his team's team fighting capability than Senna..
Olaf typically has a slightly larger longest killing spree than his enemy does. Typically, he takes more damage than Senna. This often reflects different amounts of tankyness, but it can also indicate that the champ with higher health has less mobility and thus is unable to flee from further damage when engaged or poked.
Both League of Legends champions are great champions. Both champs have their pros and cons. In League's current meta, Olaf usually loses when facing off against Senna, with a 44.9% win rate. Therefore, Olaf makes a bad counter to Senna.
While Olaf does have a much lower winrate than Senna, when facing one another, Olaf also has a much lower level of difficulty that makes him a less challenging champion to learn and master. You should expect to face a difficult match when picking Olaf into Senna.
Furthermore, Olaf also has almost no amount of CC and other utility, a similar amount to Senna. This 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 Olaf 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 allies during team fights.
Olaf is a bad counter to Senna. Focus your strategy on increasing your gold income and taking out objectives. If you do that, you should do very well as Olaf against Senna.
To learn all of the intricacies of Olaf to counter Senna during both the early game and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tricks and insights into this matchup. If you pay attention to the build and stats displayed above, you will grow your win rate by a lot and be that much closer to League of Legends pro players.
Olaf usually gets more CS compared to Senna. Champs who on average don't acquire much CS typically don't need much CS to be effective, such as support champions. These kinds of champions are capable of scaling well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, usually have to have several high cost items to be effective. In either situation, try to do better than the numbers reported here to do well.
The most important items to prioritize in your Olaf versus Senna build include Sterak's Gage, Death's Dance, and Stridebreaker. When Olaf bought at least these three pieces in his build, he did significantly better when fighting Senna than with most other common counter builds. In fact, Olaf had an average win rate of 44.9% when playing against Senna with this build.
To have the best chance of crushing Senna as Olaf, Olaf players should use the Conqueror, Triumph, Legend: Alacrity, Last Stand, Biscuit Delivery, and Approach Velocity runes from the Precision and Inspiration rune sets. Out of all the rune builds that we analyzed for Olaf vs Senna battles, this combination of runes yielded the highest win rate. Moreover, these runes averaged a 44.9% win rate overall.
If you would like to get Olaf vs Senna tips and matchup stats and build suggestions for a an individual division, feel free to select one from the selection menu displayed above. By default, the stats and guides given are computed using all games finished with both champs.