- Win Rate
- 50.8%
- Pick Rate
- 1.1%
- Ban Rate
- 6.3%
Rammus vs Kayn
- Patch
- 26.22
- Games
- 2,160
- Lane
- All Lanes
- Tier
- All Tiers
- Last Updated
- Nov 14, 2026 UTC
- Author
- Dakota Chinnick
- Methodology
- Data Methodology
Rammus vs Kayn (Jungle): Rammus wins 50.6% of 255 ranked games over the last 2 patches (gold diff at 15: -458). Patch 26.22 build & runes.
Rammus50.6%
Rammus vs Kayn is an even matchup: Rammus wins 50.6% of 255 games, and the 95% range (44.5–56.7%) comfortably includes 50%.
Rammus Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Rammus performs against them. You'll get head-to-head win rates, laning stats, the best build and runes for the matchup, and early vs late game analysis — all based on real ranked data.
Who wins Rammus vs Kayn?
Rammus wins 50.6% of these games. With this many games the true rate is most likely between 44.5% and 56.7% (95% range).
- Expected
- 50.0% From both champions' overall Jungle win rates
- Matchup effect
- +0.6 pts Observed minus expected
- Sample
- 255 games Lane: Jungle · Patch 26.21–26.22
- vs patch 26.21
- +6.6 pts Within normal patch-to-patch noise
Lane: Jungle · Ranked Solo/Duo & Flex · North America server · All ranks · Patch 26.21–26.22 · Oct 27 – Nov 13
The headline win rate covers patches 26.21–26.22 (255 games). The lane, game-length, build and rune sections below use patch 26.22 only (95 games).
Key takeaways
- Rammus vs Kayn is an even matchup: Rammus wins 50.6% of 255 games, and the 95% range (44.5–56.7%) comfortably includes 50%.
- Both champions' overall Jungle win rates predict 50.0% for Rammus; the result is within the margin of error of that, so this matchup mostly reflects the two champions' general strength.
- Kayn usually wins the lane: 458 gold ahead of Rammus at 15 minutes on average (94 games with a 15-minute snapshot).
- Rammus players pick Sunfire Aegis far more often against Kayn: 50.5% of their other Jungle games, 61.1% here.
How we calculate this
Games: ranked Solo/Duo and Flex games on the North America server from the patch shown. Remakes (games under 5 minutes) are excluded.
A game only counts when Rammus and Kayn played the same position on opposite teams, so roaming, lane swaps within a team or a champion merely being in the same game never count as this matchup.
The 95% range is a Wilson score interval. Confidence comes from how wide that range is: within ±3 points is very high, ±5 high, ±8 moderate, anything wider low. Below 20 games a matchup is not classified at all.
Expected win rate combines both champions’ win rates in this lane (same games and filters) with the log5 formula: E = A(1−B) / (A(1−B) + B(1−A)). Matchup effect = observed − expected.
"What changes" compares Rammus's choices in this matchup with the same champion's other games in the same lane, and lists a change only when it is at least 3 points and statistically significant (two-proportion z-test, |z| ≥ 2, 20+ games).
Results are not split by rank: the sample per rank is too small for honest per-rank matchup numbers.
Rammus vs Kayn Laning Stats
At 15 minutes
Whole-game averages
Rammus vs Kayn Win Rate by Game Length
Rammus's win rate against Kayn by game length. The dot is the win rate, the bar its 95% range and the dashed line the champion's usual win rate at that length. Lengths with fewer than 25 games are left blank.
No game length stands out: Rammus's results against Kayn in short and long games are within the margin of error of each other.
Rammus vs Kayn Power Spikes
Who is ahead at each stage, measured from these games. A stage reads "Even" when the difference is inside the margin of error, and "Insufficient data" when there are too few games to tell.
- Lane (15 min)KaynRammus gold at 15: −458
- First itemEvenRammus: 0.2 min · Kayn: 0.2 min
- Games under 20 minInsufficient data
- 20–30 min gamesInsufficient data
- 30+ min gamesEvenRammus wins 56.6% of 53 games
What Rammus Changes Against Kayn
Choices Rammus players make noticeably more or less often in this matchup than in their other Jungle games.
Sunfire AegisItemUsually50.5%vs Kayn61.1%+10.6 pts58.6% WR here- W > Q > Ethe W > Q > E skill orderSkill priorityUsually12.8%vs Kayn21.1%+8.3 pts50.0% WR here
Gustwalker Hatchling + Health PotionStarting itemsUsually7.4%vs Kayn13.7%+6.2 pts
Mosstomper Seedling + Health PotionStarting itemsUsually5.5%vs Kayn11.6%+6.1 pts
Best Rammus Build vs Kayn
Usual Rammus build (Jungle)
69.1% win rate · 81 games
Against Kayn
Not enough matchup-specific build data: only 14 of 58 Rammus games against Kayn carried a complete build, which is too few to recommend an item path from. Use Rammus's standard build instead.
- Rammus usually completes Gustwalker Hatchling first, at 0.2 min (median of 47 games).
- Kayn usually completes Scorchclaw Pup first, at 0.2 min (median of 49 games).
- Skill priority: Q > E > W — the same as usual.
Builds are ranked by the lower edge of their win rate range, not the raw win rate, so a build seen in a handful of wins never outranks a proven one.
Best Rammus Runes vs Kayn
Usual Rammus runes (Jungle)
Aftershock
51.9% win rate · 669 games
Against Kayn
Aftershock57.1% win rate · 35 games
Plan your Rammus draft in Draft Lab
Draft Lab lays out both teams lane by lane with live matchup win rates, damage profiles and game-phase lean, and suggests picks and bans from current meta data.
- Full 5v5 draft board
- Lane matchup win rates
- Pick and ban suggestions
Rammus matchup data for League of Legends patch 26.22. The table below shows Rammus's win rate, gold difference, and performance stats against every champion in the current meta. Click any champion name to see a detailed head-to-head breakdown including the best Rammus build, runes, laning stats, and early vs late game analysis for that specific matchup.
Other Rammus Matchups
Hardest for Rammus
Easiest for Rammus
Win rate and games for each matchup. Lists are ranked by the edge of the 95% range so small samples cannot top them; matchups with at least 50 games only.
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Rammus vs Kayn FAQ - Patch 26.21–26.22
Who wins Rammus vs Kayn?
Rammus vs Kayn is an even matchup: Rammus wins 50.6% of 255 games, and the 95% range (44.5–56.7%) comfortably includes 50%.
What is Rammus's win rate against Kayn?
Rammus wins 50.6% of 255 Jungle games against Kayn on patch 26.21–26.22 (95% range 44.5–56.7%). Based on both champions' overall Jungle win rates, 50.0% would be expected.
Does Rammus counter Kayn?
Not clearly. Rammus wins 50.6% of 255 games against Kayn, and the 95% range (44.5–56.7%) includes 50%, so neither champion reliably counters the other on current data.
Who wins lane, Rammus or Kayn?
Kayn usually wins the lane: 458 gold ahead of Rammus at 15 minutes on average (94 games with a 15-minute snapshot).
Does Rammus outscale Kayn?
There are too few games of each length to tell yet.
When is Kayn strongest against Rammus?
Kayn is measurably ahead in: Lane (15 min).
What should Rammus build against Kayn?
There are not enough games for a matchup-specific core, so use Rammus's usual Jungle core: Jak'Sho, The Protean, Dead Man's Plate, Thornmail. The biggest change against Kayn: Sunfire Aegis (50.5% usually, 61.1% here).
What runes should Rammus use against Kayn?
Aftershock with Resolve and Sorcery — 57.1% over 35 games against Kayn.