Sennavs Kai'Sa
Senna vs Kai'Sa is a decisive matchup in LoL patch 26.19. Kai'Sa wins with a 52.6% win rate (+5.3%) over Senna based on 19 games. Kai'Sa wins the early laning phase while Senna scales better into the late game. Below you'll find the best Senna build, runes, laning stats, and strategies for the Senna vs Kai'Sa matchup.
Senna Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Senna 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 Senna vs Kai'Sa?
Senna wins 46.5% of these games. With this many games the true rate is most likely between 32.5% and 61.1% (95% range).
- Expected
- 49.9% From both champions' overall Bot win rates
- Matchup effect
- −3.4 pts Observed minus expected
- Sample
- 43 games Lane: Bot
- vs patch 26.18
- — Not enough games on both patches
Lane: Bot · Ranked Solo/Duo & Flex · North America server · All ranks · Patch 26.19 · Sep 24 – Sep 28
Key takeaways
- Current data slightly favors Kai'Sa, but the sample is too limited for a strong conclusion: Senna wins 46.5% of 43 games (95% range 32.5–61.1%).
- Both champions' overall Bot win rates predict 49.9% for Senna; the result is within the margin of error of that, so this matchup mostly reflects the two champions' general strength.
- Neither side reliably wins the lane: the average gold difference at 15 minutes is 270, within the margin of error (43 games).
- Senna players pick Cash Back far more often against Kai'Sa: 16.2% of their other Bot games, 34.9% 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 Senna and Kai'Sa 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 Senna'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.
Senna vs Kai'Sa Laning Stats
At 15 minutes
Whole-game averages
Senna vs Kai'Sa Win Rate by Game Length
Senna's win rate against Kai'Sa 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: Senna's results against Kai'Sa in short and long games are within the margin of error of each other.
Senna vs Kai'Sa 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)EvenSenna gold at 15: −270
- First itemEvenSenna: 11.0 min · Kai'Sa: 11.0 min
- Games under 20 minInsufficient data
- 20–30 min gamesInsufficient data
- 30+ min gamesInsufficient data
What Senna Changes Against Kai'Sa
Choices Senna players make noticeably more or less often in this matchup than in their other Bot games.
Cash BackRuneUsually16.2%vs Kai'Sa34.9%+18.7 pts
Phantom DancerItemUsually16.7%vs Kai'Sa30.2%+13.6 pts
Best Senna Build vs Kai'Sa
Usual Senna build (Bot)
66.0% win rate · 50 games
Against Kai'Sa
Not enough matchup-specific build data: only 4 of 34 Senna games against Kai'Sa carried a complete build, which is too few to recommend an item path from. Use Senna's standard build instead.
- Senna usually completes Statikk Shiv first, at 11.0 min (median of 23 games).
- Kai'Sa usually completes Kraken Slayer first, at 11.0 min (median of 28 games).
- Skill priority: Q > W > E — 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 Senna Runes vs Kai'Sa
Usual Senna runes (Bot)
Deathfire Touch
58.1% win rate · 86 games
Against Kai'Sa
Too few games for a matchup-specific rune page yet — use the usual page.
Plan your Senna 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
Senna matchup data for League of Legends patch 26.19. The table below shows Senna'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 Senna build, runes, laning stats, and early vs late game analysis for that specific matchup.
Other Senna Matchups
Hardest for Senna
Easiest for Senna
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.
Senna vs Kai'Sa FAQ - Patch 26.19
Who wins Senna vs Kai'Sa?
Current data slightly favors Kai'Sa, but the sample is too limited for a strong conclusion: Senna wins 46.5% of 43 games (95% range 32.5–61.1%).
What is Senna's win rate against Kai'Sa?
Senna wins 46.5% of 43 Bot games against Kai'Sa on patch 26.19 (95% range 32.5–61.1%). Based on both champions' overall Bot win rates, 49.9% would be expected.
Does Senna counter Kai'Sa?
Not clearly. Senna wins 46.5% of 43 games against Kai'Sa, and the 95% range (32.5–61.1%) includes 50%, so neither champion reliably counters the other on current data.
Who wins lane, Senna or Kai'Sa?
Neither side reliably wins the lane: the average gold difference at 15 minutes is 270, within the margin of error (43 games).
Does Senna outscale Kai'Sa?
There are too few games of each length to tell yet.
When is Kai'Sa strongest against Senna?
On current data there is no stage of the game where Kai'Sa is ahead of Senna beyond the margin of error.
What should Senna build against Kai'Sa?
There are not enough games for a matchup-specific core, so use Senna's usual Bot core: Statikk Shiv, Black Cleaver, Hexoptics C44. The biggest change against Kai'Sa: Phantom Dancer (16.7% usually, 30.2% here).
What runes should Senna use against Kai'Sa?
Use Senna's usual Deathfire Touch page (Sorcery + Inspiration); there are too few games for a matchup-specific page. The biggest change against Kai'Sa: Cash Back (16.2% usually, 34.9% here).