Make sure to take paths through brush when chasing opponents to take advantage of Rengar's passive.
Use Rengar's ultimate to find and assassinate high priority targets in team fights and skirmishes.
A lot of Rengar's power comes from empowered abilities he uses at the right moment - choose wisely!
When laning against Sivir, it is possible to throw off the timing of her Spell Shield by faking an advance, then backing off.
Sivir is a powerful pushing champion, so leaving her unattended in a lane for too long will often result in your turrets being destroyed.
Boomerang Blade costs a lot of mana to cast, so dodging it sets Sivir back. If it hits you on the way out, avoid its path on the way back.
The stat comparisons provided here underscore several significant Rengar vs. Sivir counter stats that may help you appreciate the distinctions between the two. Rengar’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Sivir’s ratio of NaN, demonstrating that Rengar may be more central to his team's team fighting capacity than Sivir. This observation is in large part fueled by the difference in kills.
Rengar often has a slightly larger longest kill spree than his foe does. On average, he receives more damage than Sivir. This often reflects differing health capacities, but it can also imply that the champion with increased health has less agility and thus is unable to kite away from additional damage when engaged or poked.
Both League of Legends champs are great. Both champs have their pros and cons. In the game's current meta, Rengar usually wins when trying to fight Sivir, with a 52.7% win rate. Thus, Rengar makes a good counter for Sivir.
While Rengar does have a higher win rate compared to Sivir, when they face off with one another, Rengar also has a much greater level of difficulty that makes him a more difficult character to develop with. You don't need to be too worried when picking Rengar into Siviras his relative depth means you may not be able to unleash his full potential without a lot of practice beforehand.
Furthermore, Rengar has only a small amount of utility and CC, a similar amount to Sivir. This often makes her just as valuable during team fights, especially when trying to counter champions with a ton of burst damage.
While there is not a single best champion in League of Legends, in Rengar vs Sivir matchups, Rengar is the better champion with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your allies during team fights.
Rengar is an above average counter for Sivir. You will do well by focussing your actions on keeping up your gold and cs and destroying objectives. If you do that, you should hold your own as Rengar against Sivir.
To truly master Rengar to counter Sivir during both the lane and mid / late game phases of League of Legends, you should keep reading to gather a few extra tips and tricks for this matchup. If you listen to the build and suggestions presented above, you will grow your win rate by a lot and be that much closer to League of Legends pro players.
Rengar most often picks up a lot less CS as Sivir. Champions who on average don't earn much CS usualy don't need much CS to be valuable teammates, such as sup champs. They 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 require several high cost items to be effective. In either situation, try to do better than the numbers displayed here to do well.
The top items to prioritize in your Rengar versus Sivir build include Edge of Night, Serylda's Grudge, and Hubris. When Rengar incorporated at least these three items in his build, he did significantly better when fighting Sivir than with many other common builds. In fact, Rengar had an average winrate of 52.7% when playing against Sivir with this build.
To have the best probability of coming out on top against Sivir as Rengar, Rengar players should take the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Sudden Impact, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Out of all the rune builds that we analyzed for Rengar vs Sivir clashes, this combination of runes resulted in the best win rate. Notably, these runes gave a 52.7% winrate overall.
If you would like to see Rengar x Sivir tips and counter builds for a a specific division rank, please choose one from the selection menu provided above. By default, the statistics and build suggestions given are calculated using every match run with these champs.