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.
All of Riven's damage is physical, prioritize high Armor if an opposing Riven gets out of control.
Riven has a great deal of mobility but she cannot move very far with any one skill. Rooting or silencing her during her combo will greatly reduce her effectiveness.
Riven excels at dueling multiple melee attackers at once, as she will be on an almost equal footing damage-wise. If pairing up against Riven, don't go in as double melee until she has expended her full combo.
The stats shown on this page emphasize several valuable Olaf vs. Riven counter statistics that can help us distinguish the differences and similarities between the two. For instance, Olaf’s KDA ratio ([kills + assists] / deaths) of NaN is better than Riven’s ratio of NaN, showing that Olaf may be more central to his team's team fighting effectiveness than Riven..
Olaf often has a similar longest kill spree as his opponent does. Commonly, he receives more damage than Riven. This typically indicates differing health capacities, but it can also hint that the one champ has less agility and thus is unable to kite away from additional harm when poked or engaged.
Both League of Legends champs are great champions. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Olaf usually wins when taking on Riven, with a 52.2% win rate. Thus, Olaf makes a good counter to Riven.
While Olaf does have a higher win rate than Riven, when facing one another, Olaf also has a much lower level of difficulty that makes him a less difficult champ to pick up and master. You should be be fine when picking Olaf into Riven.
Furthermore, Olaf has only a small amount of utility and CC, a similar amount to Riven. This makes her just as valuable during team fights, especially when fighting champions with a lot of burst damage.
While there isn't a single best champion overall in League of Legends, in Olaf vs Riven matchups, Olaf is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your allies during teamfights.
Olaf is a good counter for Riven. You will do well by focussing your actions on maximizing your gold and cs and destroying objectives. If you are able to do that, you should be able to stand on your own as Olaf against Riven.
If you would like to truly master Olaf in order to counter Riven during both the laning and mid / late game phases of League of Legends, you should continue reading to gather a few extra lessons on this matchup. If you listen to the build and suggestions presented here, you should grow your win rate by a lot and be closer to League of Legends pro players.
Olaf typically accumulates a similar amount of CS compared to Riven. Champs who typically don't earn many minion kills typically don't have to have much CS to be effective, such as sup champs. 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, typically have to have a lot of items to be effective. In either case, try to do better than the values displayed here to do well.
The most important items to focus on in your Olaf versus Riven build include Sterak's Gage, Experimental Hexplate, and Ravenous Hydra. When Olaf bought at least these three items in his build, he performed significantly better against Riven than with many other typical item sets. In fact, Olaf boasted an average winrate of 52.2% when playing against Riven with these items in his kit.
To have the best likelihood of beating Riven as Olaf, Olaf players should take 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 sets players picked for Olaf vs Riven counters, this sequence of runes resulted in the greatest win rate. In fact, these runes gave a 52.2% winrate overall.
By default, tips, stats, and builds on how to beat Riven as Olaf are presented for all skill levels, merged. If you want to filter the statistics and builds to a specific player tier, you may use the selection menu located earlier in the counter matchup guide.