Olaf has reduced defenses from damage during Ragnarok, despite being immune to disables. If you can't escape from Olaf during Ragnarok, try focusing your damage on him with your teammates.
Olaf becomes more dangerous the lower life he is. Save your disables to finish him off.
Preventing Olaf from reaching his axe will minimize the amount of harassment he can cause in the laning phase.
The stat comparisons provided here underscore several significant Senna vs. Olaf counter statistics that can help you realize the differences between these two champs. Senna’s KDA ratio ([kills + assists] / deaths) of NaN is more than Olaf’s KDA ratio of NaN, highlighting that Senna may be more central to her team's team fighting capacity than Olaf. This observation is largely a result of the differences in assists.
Senna normally has a slightly smaller longest kill spree than her matchup does. Commonly, she receives less damage than Olaf. This commonly reflects different amounts of tankyness; however, it can also hint that the one champion has less mobility and thus is not able to flee from additional damage when poked or engaged.
Both LoL champions are great champions. Both have their strengths, weaknesses, and counters. In the game's current meta, Senna usually wins when trying to fight Olaf, with a 55.1% win rate. Thus, Senna makes a fantastic counter to Olaf.
While Senna does have a much higher win rate compared to Olaf, when facing one another, Senna also has a much greater learning curve that makes her a more challenging character to learn and master. You should be be fine when picking Senna into Olafas her relative depth means you may not be able to reach her full potential without a significant amount of practice beforehand.
Furthermore, Senna also has a good amount of CC and other utility, a similar amount to Olaf. This often makes her just as valuable during teamfights, especially when fighting champions with a ton of burst damage.
While there is not a single best champion in League of Legends, in Senna vs Olaf matchups, Senna is the better champ with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your allied champions during teamfights.
Senna is a great counter for Olaf. You will do well by focussing your gameplay on maximizing your CS and taking out objectives. If you do that, you should hold your own as Senna against Olaf.
To learn all of the intricacies of Senna in order to counter Olaf during both the laning and mid / late game phases of League of Legends, you should continue reading to learn a few extra tips and tricks for this matchup. If you mind the build and stats presented above, you will increase your win rate significantly and be that much closer to League of Legends pro players.
Senna typically gets less CS relative to Olaf. Champions who typically don't get much CS often don't require much CS to be valuable teammates, such as sup champs. They are able to scale well off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, often have to have a lot of items to be effective. In either situation, try to surpass the numbers shown here to do well.
The top items to prioritize in your Senna versus Olaf build consist of Youmuu's Ghostblade, Bloodsong, and Voltaic Cyclosword. When Senna bought at least these three pieces in her build, she performed a lot better against Olaf than with most other typical item sets. In fact, Senna boasted an average winrate of 55.1% battling Olaf with these items in her kit.
To have the greatest chance of vanquishing Olaf as Senna, Senna players should use the Fleet Footwork, Presence of Mind, Legend: Alacrity, Cut Down, Bone Plating, and Revitalize runes from the Precision and Resolve rune sets. Out of all the rune sets that we analyzed for Senna vs Olaf counters, this combination of runes yielded the greatest win rate. In fact, these runes averaged a 55.1% win rate overall.
If you need to see Senna x Olaf tips and counter builds for a a particular skill level, feel free to select one from the selection menu provided above. By default, the statistics and guides shown are calculated using all rounds finished with both champions.