How to win lane as Sivir against Kai'Sa · 51.87% win rate (17,547 Emerald+ games, lolalytics, sampled July 2026) · Matchup data reviewed on patch 26.15
Her curve needs waves you intend to delete — shove the metronome, shield the all-in, and out-tempo the scaling.
Track: Kai'Sa's E — Supercharge (16–10s cooldown). Her reposition + stealth window — engage in the sixteen seconds after she burns it.
Read from Sivir's seat: which stage windows this plan plays for against Kai'Sa.
| Stage | Favoured | Why |
|---|---|---|
| Level 1 | Sivir | Level 1 your Q poke beats her short-range, unstacked kit. |
| Level 2 | Sivir | At 2 you keep out-trading her weak early damage. |
| Level 3 | Sivir | Level 3 your W cleave and poke give you all-in threat with support CC. |
| Levels 4-5 | Even / skill | Through 4-5 it's skill-based as she works toward her Plasma and item spikes. |
| Level 6 | Even / skill | At 6 her R dive threat evens the lane with yours. |
| First item | Kai'Sa | Once Kai'Sa evolves and finishes an item her burst and mobility flip the lane. |
| Two+ items | Kai'Sa | With two items her evolved burst and R out-duel you outright. |
You control the early lane: Kai'Sa's short range and unstacked Plasma leave her out-poked by your Q and W cleave, and a support engage lets you all-in her before her scaling comes online. Her short range and unstacked plasma mean the wave is uncontested, so Ricochet the crash and take the plate. Boomerang her at every walk-up. Spell Shield is worth holding for her support's engage, because on her own she has nothing that punishes you for pushing.
Pooled Emerald+ win rates from Sivir's side, sampled July 2026.
The full Sivir vs Kai'Sa report continues with the mid-game plan, the late-game and teamfight plan, every power spike to play around, and the win conditions for both sides — plus cooldown tracking and the live enemy-jungle tracker inside the app.
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Sivir, slightly — a 51.87% win rate edge over 17,547 games; execution can flip it.
Mostly — Sivir has a small statistical edge (51.87% win rate), but execution decides this lane far more than the pick does.
Not a hard counter — Sivir has a slight edge (51.87% win rate), and play quality decides the rest.
Sivir takes Fleet Footwork on the Precision tree with Presence of Mind, Legend: Bloodline and Cut Down, and Inspiration secondary (Biscuit Delivery and Cosmic Insight) vs Kai'Sa.
Start Doran's Blade + Health Potion and back for Noonquiver (≈1000g). Build Essence Reaver / Statikk first, then IE / Runaan's, with Berserker's Greaves.
Playing the other side? Kai'Sa vs Sivir guide →
All Sivir bot lane matchups →
More Sivir bot lane matchups: vs Heimerdinger · vs Jhin · vs Jinx · vs Kalista · vs Karthus · vs Kog'Maw