Try to knock enemies back into your towers with Explosive Cask.
Try to combo Body Slam with Explosive Cask to set up kills for your team.
The damage reduction from Drunken Rage is applied when you start drinking, try to use it when you see damage coming your way.
When Rek'Sai is near, she can see the position of you and your allies, but only if you're moving.
If you see one of Rek'Sai's tunnels, briefly stand on one of the entrances to destroy it.
Rek'Sai's Furious Bite gains damage as she builds Fury. Be very careful around her when her Fury is full.
The stat comparisons shown on this page feature some significant Gragas versus Rek'Sai matchup statistics that can help you explain the distinctions between the pair. Gragas’s KDA ratio ([kills + assists] / deaths) of NaN is more than Rek'Sai’s KDA ratio of NaN, showing that Gragas may be more central to his team's team fighting effectiveness than Rek'Sai..
Gragas normally has a similar longest killing spree as his matchup does. Commonly, he receives less damage than Rek'Sai. This often reflects differing health capacities, but it can also indicate that the champ with higher health has less agility and thus is unable to escape additional harm when poked or engaged.
Both League champions are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Gragas usually fairs equally well when taking on Rek'Sai, with a 50.4% win rate. Thus, Gragas makes an ok counter for Rek'Sai.
While Gragas does have a higher win rate compared to Rek'Sai, when facing one another, Gragas also has a greater learning curve that makes him a more complex champion to learn. You still need to be cautious when picking Gragas into Rek'Sai.
Moreover, Gragas has a good amount of utility and CC, a similar amount to Rek'Sai. This makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there isn't a single best champion for every situation in League of Legends, in Gragas vs Rek'Sai matchups, Gragas is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your team members during team fights.
Gragas is a decent counter for Rek'Sai. You will do well by focussing your actions on keeping up your gold and cs and destroying objectives. If you do that, you should be able to stand on your own as Gragas against Rek'Sai.
If you would like to learn all of the intricacies of Gragas in order to counter Rek'Sai during both the lane and mid / late game phases of League of Legends, you should continue reading to gather a few extra tips and tricks for this matchup. If you listen to the build and stats displayed here, you should increase your win rate by a lot and be closer to League of Legends pro players.
Gragas typically racks up much more CS relative to Rek'Sai. Champions who typically don't earn much CS typically don't have to have much CS to be effective, such as supports. They are capable of scaling well off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, often have to have several high cost items to be effective. In either case, try to do better than the values displayed here to do well.
The best items to focus on in your Gragas versus Rek'Sai build consist of Rabadon's Deathcap, Shadowflame, and Stormsurge. When Gragas included at least these three pieces in his build, he performed significantly better countering Rek'Sai than with most other typical counter builds. In fact, Gragas boasted an average win rate of 50.4% battling Rek'Sai with these items in his kit.
To have the best probability of coming out on top against Rek'Sai as Gragas, Gragas players should use the Phase Rush, Manaflow Band, Transcendence, Scorch, Biscuit Delivery, and Cosmic Insight runes from the Sorcery and Inspiration rune sets. Of all the runes players chose for Gragas vs Rek'Sai face-offs, this mix of runes resulted in the greatest win rate. Notably, these runes gave a 50.4% win rate overall.
If you would like to see Gragas x Rek'Sai tips and matchup stats and build suggestions for a an individual division, feel free to select one from the selection menu provided above. If viewing for the first time, the stats and build suggestions shown are computed using every game run with these champs.