Kai'Sa - League of Legends Champion
Win Rate
45.2%
Pick Rate
3.9%

Kai'Savs Illaoi

FMarksmanMage
Patch26.10
Matches900,877
LaneAll Lanes
TierAll Tiers
Last UpdatedMay 18, 2026
MethodologyData Methodology

Kai'Sa vs Illaoi is a decisive matchup in LoL patch 26.10. Illaoi wins with a 80.0% win rate (+60.0%) over Kai'Sa based on 5 games. Illaoi holds the advantage in both the early and late game. Below you'll find the best Kai'Sa build, runes, laning stats, and strategies for the Kai'Sa vs Illaoi 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.

Compare against an opponent
Illaoi - 20.0% win rateIllaoi(20.0%)
Kai'Sa - 20.0% win rate in this matchup
Kai'Sa
20.0% WR
VS
Illaoi vs Kai'Sa matchup - 80.0% win rate
Illaoi
80.0% WR

Who Wins the Kai'Sa vs Illaoi Matchup?

Illaoi wins the Kai'Sa vs Illaoi matchup
Winner
Illaoi
Matches: 5
20.0%
Win Rate
80.0%
7.3
CS / min
8.7
948
DMG / min
894
12,338
Gold / game
13,647
183
Heal / min
403
561
DMG Mitigated / min
1,439
0.0
CC / min
0.3
33.3%
Early Game WR
66.7%
0.0%
Late Game WR
100.0%

Kai'Sa vs Illaoi Matchup Summary

The Kai'Sa vs Illaoi matchup is a decisive matchup in League of Legends ranked play. Based on 5 recent matches analyzed, Illaoi wins with a 80.0% win rate compared to Kai'Sa's 20.0%, giving Illaoi a 60.0 percentage point advantage. Illaoi dominates at every stage — from early laning through late game team fights. This consistent advantage makes it difficult for Kai'Sa players to find favorable windows, so team-dependent strategies and avoiding solo confrontations are essential. The most significant statistical gap is in crowd control, where Illaoi leads by 0.2s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Illaoi has a strong advantage in this matchup. Kai'Sa players should play defensively, prioritize safe farming under tower, and look for opportunities created by jungle pressure or Illaoi overextending. Avoid prolonged trades and wait for team fights where positioning and coordination matter more. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Kai'Sa vs Illaoi Laning Phase Breakdown

Illaoi wins the laning phase against Kai'Sa in League of Legends

Illaoi is favored during the laning phase against Kai'Sa, winning 4 out of 5 key stat categories. Illaoi holds advantages in farming, gold income, crowd control and sustain, making them the stronger laner in this matchup.

Farming
7.3Kai'Sa
8.7Illaoi
Illaoi significantly out-farms Kai'Sa by 1.3 CS per minute, accumulating an estimated 20 CS lead by mid game. This substantial farming gap gives Illaoi a major gold advantage and earlier item completions. Kai'Sa players should prioritize wave management techniques like freezing near tower and using abilities efficiently to minimize the deficit.
Damage
948Kai'Sa
894Illaoi
Kai'Sa deals 54 more champion damage per minute than Illaoi. While noticeable in extended trades, this gap can be offset by Illaoi choosing favorable fight windows, such as engaging when Kai'Sa's key abilities are on cooldown or trading immediately after dodging a skillshot.
Economy
12,338Kai'Sa
13,647Illaoi
Illaoi generates a commanding 1,310 more gold per game than Kai'Sa. This substantial economic advantage means Illaoi consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Kai'Sa should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.0Kai'Sa
0.3Illaoi
Both Kai'Sa and Illaoi provide similar amounts of crowd control (0.2s/min difference), meaning neither has a significant advantage in locking down opponents for ganks or team fights. Lane ganks are equally effective for both sides.
Sustain
744Kai'Sa
1,842Illaoi
Illaoi vastly out-sustains Kai'Sa, healing and mitigating 1,098 more damage per minute. This massive durability gap means Illaoi can absorb significant punishment and remain in lane while Kai'Sa is forced to recall. Building grievous wounds early is essential for Kai'Sa, and focusing on burst trade patterns rather than sustained fights is critical.

Best Kai'Sa Build Against Illaoi

Sorcerer's Shoes is the optimal boots choice against Illaoi, providing the mobility and stats Kai'Sa needs most in this matchup. The top-performing core items for Kai'Sa against Illaoi are Luden's Echo, Shadowflame and Muramana. 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 Illaoi matchup.

Early Game vs Late Game

Early Game
Illaoi
66.7%
+33.3% advantage
Kai'Sa early game win rateKai'Sa33.3%
Illaoi early game win rateIllaoi66.7%
Late Game
Illaoi
100.0%
+100.0% advantage
Kai'Sa late game win rateKai'Sa0.0%
Illaoi late game win rateIllaoi100.0%

Illaoi dominates the early game (first 15 minutes) with a commanding 66.7% win rate — a 33.3 percentage point lead over Kai'Sa. This lopsided early game means Illaoi can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Illaoi is far superior in the late game (25+ minutes), boasting a 100.0% win rate — 100.0 points above Kai'Sa. Extended games heavily favor Illaoi, whose kit and scaling make them a dominant force in team fights and objective control.

Illaoi holds the advantage at every stage of the game, making this a consistently favorable matchup from lane through late game team fights. Kai'Sa players should look for outplays, team-dependent strategies, and picks rather than relying on scaling to win this matchup.

Best Kai'Sa Runes Against Illaoi

Inspiration rune tree - Kai'Sa primary runes vs IllaoiInspiration
First Strike - best Kai'Sa rune vs IllaoiMagical Footwear - best Kai'Sa rune vs IllaoiBiscuit Delivery - best Kai'Sa rune vs IllaoiJack Of All Trades - best Kai'Sa rune vs Illaoi
Precision rune tree - Kai'Sa secondary runes vs IllaoiPrecision
Triumph - best Kai'Sa rune vs IllaoiCoup de Grace - best Kai'Sa rune vs Illaoi
100.0% WR

The Inspiration and Precision rune setup gives Kai'Sa the best tools to compete against Illaoi in this difficult matchup, compensating for the statistical disadvantages with optimal rune synergies.


Kai'Sa matchup data for League of Legends patch 26.10. 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.

Kai'Sa matchup win rates and stats in League of Legends patch 26.10
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
43.31%8226.989314,28746.4%41.4%
43.55%5816.782613,70543.2%43.8%
46.14%5706.782913,65942.0%49.4%
45.66%4496.883813,29342.9%48.0%
45.86%4476.682013,31944.9%46.7%
48.86%4386.885614,08751.1%47.3%
48.56%4167.091614,41946.2%50.4%
46.62%2816.888713,65249.6%44.1%
44.44%1896.987813,31239.8%50.0%
50.53%1886.983913,39448.3%52.5%
49.73%1857.086213,99248.2%51.0%
49.40%1686.879813,32750.0%48.9%
44.79%1636.786613,85549.3%41.7%
54.55%1216.586413,85851.8%56.9%
48.31%1186.782513,15351.7%44.8%
47.41%1166.685213,86146.9%47.8%
46.49%1147.096314,51250.0%43.8%
54.39%1146.884913,69061.5%48.4%
50.93%1086.883213,47654.0%48.3%
45.28%1066.889214,26246.5%44.4%
55.32%947.284814,58961.0%50.9%
41.67%606.893514,85535.0%45.0%
42.86%566.872711,88538.7%48.0%
50.91%556.895915,18841.2%55.3%
48.15%546.888814,54639.1%54.8%
44.90%496.587512,28648.3%40.0%
41.30%466.991113,82029.4%48.3%
51.11%457.081314,75842.9%54.8%
40.00%356.791013,72541.2%38.9%
54.55%336.680914,28641.7%61.9%
51.85%276.374913,77455.6%50.0%
44.44%277.095115,12625.0%52.6%
61.54%266.777113,70170.0%56.3%
28.00%256.788916,45933.3%25.0%
36.00%256.586414,11533.3%37.5%
32.00%256.31,00312,17538.5%25.0%
60.87%236.682013,24472.7%50.0%
40.00%206.482213,89040.0%40.0%
31.58%197.01,04113,67310.0%55.6%
57.89%196.284512,20660.0%55.6%
42.11%197.279011,84945.5%37.5%
33.33%186.784012,8320.0%54.5%
58.33%127.297612,73855.6%66.7%
66.67%126.194812,98366.7%66.7%
18.18%117.084113,92125.0%14.3%
36.36%116.876812,04825.0%42.9%
50.00%107.088112,59142.9%66.7%
40.00%106.992215,52233.3%42.9%
20.00%106.960813,0190.0%33.3%
50.00%106.91,14714,78133.3%75.0%
66.67%96.595914,62675.0%60.0%
55.56%95.892411,23180.0%25.0%
33.33%96.982012,44942.9%0.0%
55.56%96.390815,07375.0%40.0%
33.33%96.599714,3490.0%50.0%
37.50%85.983514,71950.0%33.3%
42.86%77.187112,55166.7%25.0%
28.57%76.682014,0160.0%33.3%
0.00%76.55929,6950.0%0.0%
57.14%77.059812,07350.0%66.7%
42.86%77.290614,379100.0%20.0%
14.29%75.772210,4840.0%33.3%
50.00%66.382410,72333.3%66.7%
50.00%64.163913,87733.3%66.7%
50.00%67.092113,09025.0%100.0%
50.00%67.194212,20733.3%66.7%
66.67%67.31,01614,78133.3%100.0%
0.00%68.18149,6800.0%0.0%
50.00%66.51,01913,25733.3%66.7%
66.67%66.881912,88450.0%75.0%
40.00%56.284014,654100.0%25.0%
0.00%55.980711,1100.0%0.0%
40.00%56.760013,07850.0%33.3%
40.00%56.590414,6450.0%50.0%
20.00%56.488711,5520.0%50.0%
60.00%56.01,08015,410100.0%50.0%
40.00%56.199312,658100.0%0.0%
20.00%57.394812,33833.3%0.0%
60.00%54.71,11415,5710.0%75.0%
20.00%57.81,21414,1670.0%33.3%
80.00%56.21,34116,6610.0%80.0%

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Kai'Sa vs Illaoi - Frequently Asked Questions

How does Kai'Sa do against Illaoi in League of Legends?

Illaoi wins the Kai'Sa vs Illaoi matchup with a 80.0% win rate compared to Kai'Sa's 20.0%, a 60.0 percentage point difference. This data is based on 5 recent ranked games in patch 26.10.

How does Kai'Sa do against Illaoi in the early game?

In the early game, Illaoi has the advantage against Kai'Sa with a 66.7% win rate versus 33.3%. Illaoi 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 Illaoi in the late game?

In the late game, Illaoi takes over the Kai'Sa vs Illaoi matchup with a 100.0% win rate compared to 0.0%. Illaoi scales better into team fights and objective contests after 25 minutes.

Who wins the Kai'Sa vs Illaoi matchup?

Illaoi wins the matchup against Kai'Sa with a 80.0% win rate in League of Legends patch 26.10. The 60.0 percentage point advantage means Illaoi is significantly favored in this lane matchup based on 5 games analyzed.

What is the best Kai'Sa build against Illaoi?

The best Kai'Sa build against Illaoi includes Luden's Echo, Shadowflame, Muramana with Sorcerer's Shoes. Check the matchup breakdown above for the full item path and build order.

What are the best Kai'Sa runes against Illaoi?

The best Kai'Sa runes against Illaoi use the Inspiration primary tree with Precision secondary. This rune setup achieves a 100.0% win rate in the Kai'Sa vs Illaoi matchup. See the full rune breakdown in the matchup comparison above.

Does Kai'Sa counter Illaoi?

No, Kai'Sa struggles against Illaoi with only a 20.0% win rate. Illaoi has the advantage in this matchup. Kai'Sa players should focus on safe farming and avoiding extended trades to minimize Illaoi's lead.

How do I play Kai'Sa against Illaoi?

When playing Kai'Sa against Illaoi, play cautiously and avoid Illaoi's power spikes. Look for jungle assistance and team-dependent plays since Illaoi has the statistical advantage at most stages. Use the matchup-specific build and runes above to optimize your chances.