Kai'Savs Irelia
Kai'Sa vs Irelia is a very close matchup in LoL patch 26.9. Kai'Sa wins with a 50.0% win rate (+0.0%) over Irelia based on 8 games. Irelia wins the early laning phase while Kai'Sa scales better into the late game. Below you'll find the best Kai'Sa build, runes, laning stats, and strategies for the Kai'Sa vs Irelia matchup.
Kai'Sa Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Kai'Sa 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.
Irelia(50.0%)Who Wins the Kai'Sa vs Irelia Matchup?
Kai'Sa vs Irelia Matchup Summary
The Kai'Sa vs Irelia matchup is essentially a coin-flip matchup in League of Legends ranked play. Based on 8 recent matches analyzed, Kai'Sa wins with a 50.0% win rate compared to Irelia's 50.0%, giving Kai'Sa a 0.0 percentage point advantage. Game phase dynamics play a critical role here: Irelia controls the early laning stage, but Kai'Sa outscales as the game goes longer. The matchup shifts dramatically depending on game length — Irelia needs to press advantages before Kai'Sa reaches their power spikes, while Kai'Sa should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in crowd control, where Irelia leads by 0.5s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Kai'Sa has a statistical edge, but the margin is close enough that respecting Irelia's strengths is important. Trade when cooldowns are favorable, track the enemy jungler, and build toward your strongest item spikes to convert the slight advantage into a decisive lead. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.
Kai'Sa vs Irelia Laning Phase Breakdown
Irelia is favored during the laning phase against Kai'Sa, winning 5 out of 5 key stat categories. Irelia holds advantages in farming, damage, gold income, crowd control and sustain, making them the stronger laner in this matchup.
Best Kai'Sa Build Against Irelia
Immortal Path is the optimal boots choice against Irelia, providing the mobility and stats Kai'Sa needs most in this matchup. The top-performing core items for Kai'Sa against Irelia are Terminus, Guinsoo's Rageblade and Statikk Shiv. This combination gives Kai'Sa an effective balance of damage, survivability, and utility for the matchup. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Kai'Sa vs Irelia matchup.
Early Game vs Late Game
Kai'Sa0.0%Irelia100.0%Kai'Sa100.0%Irelia0.0%Irelia dominates the early game (first 15 minutes) with a commanding 100.0% win rate — a 100.0 percentage point lead over Kai'Sa. This lopsided early game means Irelia can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.
Kai'Sa is far superior in the late game (25+ minutes), boasting a 100.0% win rate — 100.0 points above Irelia. Extended games heavily favor Kai'Sa, whose kit and scaling make them a dominant force in team fights and objective control.
This matchup features a dramatic power shift: Irelia must aggressively press their early advantage and close out the game before Kai'Sa reaches their scaling breakpoints. If Kai'Sa survives the laning phase without falling too far behind, the matchup flips in their favor. Dragon and Rift Herald control are pivotal — the team that secures early objectives can snowball or buy time to scale.
Best Kai'Sa Runes Against Irelia
Domination
Precision
The Domination primary with Precision secondary combination helps Kai'Sa maximize their potential in this closely contested matchup, providing the right mix of offensive and defensive tools to edge out Irelia.
Kai'Sa matchup data for League of Legends patch 26.9. The table below shows Kai'Sa'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 Kai'Sa build, runes, laning stats, and early vs late game analysis for that specific matchup.
Opponent | Win Rate | Matches | CS/min | DMG/min | Gold/game | Early WR | Late WR |
|---|---|---|---|---|---|---|---|
| 46.92% | 440 | 6.8 | 815 | 14,037 | 47.3% | 46.6% | |
| 42.52% | 428 | 7.1 | 911 | 14,562 | 40.1% | 44.0% | |
| 50.24% | 418 | 6.8 | 828 | 14,220 | 54.1% | 47.6% | |
| 50.27% | 364 | 7.1 | 918 | 14,198 | 50.3% | 50.3% | |
| 53.65% | 356 | 6.9 | 865 | 14,342 | 57.9% | 50.5% | |
| 53.94% | 317 | 6.7 | 809 | 13,675 | 59.3% | 49.7% | |
| 49.52% | 313 | 7.0 | 840 | 13,619 | 49.3% | 49.7% | |
| 50.16% | 311 | 7.1 | 894 | 13,876 | 46.3% | 53.7% | |
| 46.15% | 156 | 6.8 | 842 | 13,447 | 46.0% | 46.3% | |
| 48.25% | 143 | 6.8 | 864 | 12,909 | 54.5% | 40.9% | |
| 45.11% | 133 | 7.1 | 862 | 13,716 | 48.5% | 41.8% | |
| 58.02% | 131 | 6.7 | 841 | 14,536 | 60.3% | 56.2% | |
| 44.27% | 131 | 6.9 | 836 | 14,040 | 41.8% | 46.0% | |
| 49.09% | 110 | 6.9 | 906 | 13,497 | 56.3% | 43.5% | |
| 45.87% | 109 | 7.0 | 758 | 12,831 | 39.3% | 52.8% | |
| 48.11% | 106 | 7.0 | 884 | 14,341 | 51.2% | 46.1% | |
| 47.83% | 92 | 7.0 | 829 | 13,594 | 56.1% | 41.2% | |
| 52.94% | 85 | 7.5 | 937 | 15,435 | 61.5% | 49.1% | |
| 44.71% | 85 | 6.9 | 849 | 14,417 | 42.9% | 46.0% | |
| 45.12% | 82 | 7.0 | 872 | 14,141 | 43.8% | 46.0% | |
| 51.35% | 74 | 6.9 | 804 | 12,497 | 48.6% | 53.9% | |
| 59.15% | 71 | 7.3 | 985 | 15,579 | 56.3% | 61.5% | |
| 33.33% | 60 | 6.8 | 776 | 13,276 | 28.6% | 37.5% | |
| 55.36% | 56 | 6.5 | 955 | 13,049 | 48.3% | 63.0% | |
| 52.08% | 48 | 6.5 | 839 | 14,045 | 42.9% | 59.3% | |
| 33.33% | 42 | 7.0 | 790 | 13,148 | 21.1% | 43.5% | |
| 46.34% | 41 | 6.7 | 873 | 13,425 | 47.8% | 44.4% | |
| 36.11% | 36 | 6.5 | 766 | 13,662 | 25.0% | 41.7% | |
| 34.38% | 32 | 7.0 | 718 | 12,371 | 40.0% | 29.4% | |
| 46.67% | 30 | 6.7 | 806 | 13,851 | 54.5% | 42.1% | |
| 33.33% | 30 | 7.0 | 771 | 13,743 | 25.0% | 36.4% | |
| 60.00% | 30 | 7.2 | 1,034 | 16,382 | 50.0% | 65.0% | |
| 48.00% | 25 | 7.1 | 681 | 12,102 | 57.1% | 36.4% | |
| 52.17% | 23 | 6.5 | 798 | 13,299 | 42.9% | 66.7% | |
| 30.43% | 23 | 7.1 | 917 | 14,634 | 33.3% | 27.3% | |
| 33.33% | 21 | 7.2 | 915 | 14,125 | 20.0% | 45.5% | |
| 31.58% | 19 | 7.4 | 889 | 15,183 | 25.0% | 36.4% | |
| 52.63% | 19 | 6.4 | 873 | 12,685 | 50.0% | 54.5% | |
| 31.58% | 19 | 7.4 | 898 | 13,403 | 30.0% | 33.3% | |
| 53.33% | 15 | 6.4 | 847 | 13,035 | 40.0% | 80.0% | |
| 66.67% | 15 | 7.0 | 965 | 14,542 | 60.0% | 70.0% | |
| 38.46% | 13 | 6.6 | 1,103 | 15,680 | 0.0% | 50.0% | |
| 54.55% | 11 | 6.1 | 779 | 11,622 | 40.0% | 66.7% | |
| 72.73% | 11 | 7.2 | 1,067 | 14,327 | 50.0% | 100.0% | |
| 36.36% | 11 | 6.8 | 1,134 | 15,181 | 66.7% | 25.0% | |
| 36.36% | 11 | 6.4 | 738 | 12,714 | 33.3% | 40.0% | |
| 44.44% | 9 | 5.8 | 871 | 11,426 | 50.0% | 33.3% | |
| 44.44% | 9 | 7.1 | 694 | 12,714 | 60.0% | 25.0% | |
| 33.33% | 9 | 6.8 | 640 | 13,632 | 20.0% | 50.0% | |
| 62.50% | 8 | 6.5 | 1,006 | 15,121 | 50.0% | 75.0% | |
| 37.50% | 8 | 6.9 | 717 | 9,368 | 40.0% | 33.3% | |
| 75.00% | 8 | 4.5 | 1,173 | 14,518 | 100.0% | 50.0% | |
| 50.00% | 8 | 7.8 | 744 | 13,948 | 0.0% | 100.0% | |
| 37.50% | 8 | 5.7 | 809 | 13,951 | 0.0% | 60.0% | |
| 71.43% | 7 | 7.2 | 1,508 | 16,858 | 100.0% | 50.0% | |
| 57.14% | 7 | 6.4 | 692 | 13,045 | 50.0% | 60.0% | |
| 28.57% | 7 | 6.4 | 823 | 14,117 | 0.0% | 40.0% | |
| 28.57% | 7 | 7.3 | 1,148 | 13,684 | 33.3% | 25.0% | |
| 66.67% | 6 | 6.5 | 1,001 | 14,746 | 50.0% | 75.0% | |
| 33.33% | 6 | 5.7 | 927 | 12,648 | 50.0% | 25.0% | |
| 16.67% | 6 | 6.6 | 694 | 11,006 | 0.0% | 33.3% | |
| 16.67% | 6 | 6.8 | 808 | 12,088 | 0.0% | 25.0% | |
| 50.00% | 6 | 6.6 | 980 | 17,591 | 0.0% | 60.0% | |
| 50.00% | 6 | 4.1 | 904 | 15,720 | 0.0% | 75.0% | |
| 40.00% | 5 | 6.4 | 881 | 17,040 | 100.0% | 25.0% | |
| 40.00% | 5 | 6.4 | 1,137 | 17,118 | 50.0% | 33.3% | |
| 20.00% | 5 | 5.4 | 607 | 9,900 | 33.3% | 0.0% | |
| 20.00% | 5 | 7.3 | 1,631 | 15,510 | 33.3% | 0.0% | |
| 60.00% | 5 | 7.0 | 809 | 9,783 | 33.3% | 100.0% | |
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Kai'Sa vs Irelia - Frequently Asked Questions
How does Kai'Sa do against Irelia in League of Legends?
Kai'Sa wins the Kai'Sa vs Irelia matchup with a 50.0% win rate compared to Irelia's 50.0%, a 0.0 percentage point difference. This data is based on 8 recent ranked games in patch 26.9.
How does Kai'Sa do against Irelia in the early game?
In the early game, Irelia has the advantage against Kai'Sa with a 100.0% win rate versus 0.0%. Irelia players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.
How does Kai'Sa do against Irelia in the late game?
In the late game, Kai'Sa takes over the Kai'Sa vs Irelia matchup with a 100.0% win rate compared to 0.0%. Kai'Sa scales better into team fights and objective contests after 25 minutes.
Who wins the Kai'Sa vs Irelia matchup?
Kai'Sa wins the matchup against Irelia with a 50.0% win rate in League of Legends patch 26.9. The 0.0 percentage point advantage means Kai'Sa is slightly favored in this lane matchup based on 8 games analyzed.
What is the best Kai'Sa build against Irelia?
The best Kai'Sa build against Irelia includes Terminus, Guinsoo's Rageblade, Statikk Shiv with Immortal Path. Check the matchup breakdown above for the full item path and build order.
What are the best Kai'Sa runes against Irelia?
The best Kai'Sa runes against Irelia use the Domination primary tree with Precision secondary. This rune setup achieves a 100.0% win rate in the Kai'Sa vs Irelia matchup. See the full rune breakdown in the matchup comparison above.
Does Kai'Sa counter Irelia?
Yes, Kai'Sa has a favorable matchup against Irelia with a 50.0% win rate. Kai'Sa slightly edges out Irelia in lane based on current patch 26.9 data.
How do I play Kai'Sa against Irelia?
When playing Kai'Sa against Irelia, leverage your statistical advantages by trading aggressively during favorable windows. Play safe early and scale into your power spikes where you outperform Irelia. Build the recommended items and runes for this specific matchup for the best results.