Keeping tunnels spread out across the map will ensure you have choices when you want to cast Void Rush.
Cast Burrow before travelling around the map to take advantage of the increased Move Speed and the safety provided by Tremor Sense.
Tremor Sense can warn you of enemies closing in, and is particularly useful when entering enemy territory.
Cataclysm's terrain is a frightening force to fight against, but movement abilities can go through it.
Keep out of the path between Jarvan IV and his Demacian Standard to avoid being knocked up in the air.
The stat comparisons shown on this page clarify several vital Rek'Sai versus Jarvan IV counter stats that can help us interpret the distinctions between the two. Rek'Sai’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Jarvan IV’s KDA ratio of NaN, showing that Rek'Sai may be more central to his team's team fighting capability than Jarvan IV..
Rek'Sai typically has a slightly larger longest killing spree than his opponent does. Typically, he receives more damage than Jarvan IV. This is usually reflective of different amounts of tankyness, yet it can also show that the one champion has less agility and thus is not able to kite away from further harm when poked or engaged.
Both League champions are great. Both champs have their pros and cons. In League's current meta, Rek'Sai usually loses when playing against Jarvan IV, with a 48.2% win rate. As a result, Rek'Sai makes a poor counter for Jarvan IV.
While Rek'Sai does have a lower win rate than Jarvan IV, when facing one another, Rek'Sai also has a lower level of difficulty that makes him a less time consuming character to learn. You should be careful when picking Rek'Sai into Jarvan IV.
Moreover, Rek'Sai has some amount of utility and CC, a similar amount to Jarvan IV. This often makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there isn't a single best champion overall in League of Legends, in Rek'Sai vs Jarvan IV matchups, Jarvan IV is the better champion with a lower win rate, less champion complexity, and a similar amount of utility to help out your teammates during team fights.
Rek'Sai is a somewhat poor counter to Jarvan IV. You will do well by focussing your play on keeping up your gold and cs and destroying objectives. If you can do that, you should do very well as Rek'Sai against Jarvan IV.
If you would like to learn all of the intricacies of Rek'Sai to counter Jarvan IV during both the early game and mid / late game phases of League of Legends, you should keep reading to learn a few extra tricks and insights into this matchup. If you listen to the build and tips presented here, you will increase your win rate by a lot and be closer to League of Legends pro players.
Rek'Sai on average accumulates a similar amount of CS as Jarvan IV. Champions who on average don't acquire many minion kills often don't require much CS to be effective, such as sup champs. These kinds of champions are able to scale properly off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually need a lot of items to be effective. In either situation, try to exceed the values displayed here to do well.
The most important items to have in your Rek'Sai versus Jarvan IV build consist of Sterak's Gage, Black Cleaver, and Titanic Hydra. When Rek'Sai used at least these three items in his build, he did a lot better vs Jarvan IV than with many other commonly used counter builds. In fact, Rek'Sai had an average win rate of 48.2% when playing against Jarvan IV with this counter build.
To have the best probability of defeating Jarvan IV as Rek'Sai, you should take the Conqueror, Triumph, Legend: Alacrity, Coup de Grace, Magical Footwear, and Cosmic Insight runes from the Precision and Inspiration rune sets. Out of all the runes players used for Rek'Sai vs Jarvan IV matchups, this order of runes yielded the greatest win rate. In fact, these runes gave a 48.2% winrate overall.
If you would like to see Rek'Sai vs Jarvan IV tips and builds for a an individual division rank, please choose one from the selection menu shown above. By default, the stats and build suggestions given are computed using all games run with these champs.