Kai'Sa - League of Legends Champion
Win Rate
45.5%
Pick Rate
3.9%

Kai'Savs Jax

FMarksmanMage
Patch26.10
Matches683,599
LaneAll Lanes
TierAll Tiers
Last UpdatedMay 18, 2026
MethodologyData Methodology

Kai'Sa vs Jax is a decisive matchup in LoL patch 26.10. Jax wins with a 83.3% win rate (+66.7%) over Kai'Sa based on 6 games. Jax 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 Jax 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
Jax - 16.7% win rateJax(16.7%)
Kai'Sa - 16.7% win rate in this matchup
Kai'Sa
16.7% WR
VS
Jax vs Kai'Sa matchup - 83.3% win rate
Jax
83.3% WR

Who Wins the Kai'Sa vs Jax Matchup?

Jax wins the Kai'Sa vs Jax matchup
Winner
Jax
Matches: 6
16.7%
Win Rate
83.3%
5.8
CS / min
5.9
742
DMG / min
546
10,969
Gold / game
10,639
202
Heal / min
226
448
DMG Mitigated / min
759
0.1
CC / min
0.5
0.0%
Early Game WR
100.0%
33.3%
Late Game WR
66.7%

Kai'Sa vs Jax Matchup Summary

The Kai'Sa vs Jax matchup is a decisive matchup in League of Legends ranked play. Based on 6 recent matches analyzed, Jax wins with a 83.3% win rate compared to Kai'Sa's 16.7%, giving Jax a 66.7 percentage point advantage. Jax 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 Jax leads by 0.4s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Jax 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 Jax 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 Jax Laning Phase Breakdown

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

Jax is favored during the laning phase against Kai'Sa, winning 3 out of 5 key stat categories. Jax holds advantages in farming, crowd control and sustain, making them the stronger laner in this matchup.

Farming
5.8Kai'Sa
5.9Jax
Kai'Sa and Jax farm at nearly identical rates in this matchup, with only a 0.1 CS/min difference. Neither champion holds a meaningful farming advantage, so lane dominance will come from trading and jungle interaction rather than CS leads.
Damage
742Kai'Sa
546Jax
Kai'Sa heavily out-damages Jax by 196 DMG/min, dominating both short trades and all-in fights. Jax should avoid extended combat and instead focus on burst trade patterns — short engages followed by immediate disengagement — to avoid letting Kai'Sa's sustained damage advantage take over.
Economy
10,969Kai'Sa
10,639Jax
Kai'Sa earns 330 more gold per game than Jax, equivalent to roughly one additional component item. This economic edge comes from a combination of better farming, kill participation, and objective control, giving Kai'Sa slightly faster item completions.
Utility
0.1Kai'Sa
0.5Jax
Jax provides 0.4 seconds more crowd control per minute than Kai'Sa, offering better gank setup potential and slightly more team fight utility. This CC advantage helps Jax coordinate with their jungler and control the pace of skirmishes.
Sustain
650Kai'Sa
985Jax
Jax vastly out-sustains Kai'Sa, healing and mitigating 335 more damage per minute. This massive durability gap means Jax 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 Jax

Plated Steelcaps is the optimal boots choice against Jax, providing the mobility and stats Kai'Sa needs most in this matchup. The top-performing core items for Kai'Sa against Jax 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 Jax matchup.

Early Game vs Late Game

Early Game
Jax
100.0%
+100.0% advantage
Kai'Sa early game win rateKai'Sa0.0%
Jax early game win rateJax100.0%
Late Game
Jax
66.7%
+33.3% advantage
Kai'Sa late game win rateKai'Sa33.3%
Jax late game win rateJax66.7%

Jax 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 Jax can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Jax is far superior in the late game (25+ minutes), boasting a 66.7% win rate — 33.3 points above Kai'Sa. Extended games heavily favor Jax, whose kit and scaling make them a dominant force in team fights and objective control.

Jax 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 Jax

Inspiration rune tree - Kai'Sa primary runes vs JaxInspiration
First Strike - best Kai'Sa rune vs JaxCash Back - best Kai'Sa rune vs JaxTriple Tonic - best Kai'Sa rune vs JaxCosmic Insight - best Kai'Sa rune vs Jax
Sorcery rune tree - Kai'Sa secondary runes vs JaxSorcery
Absolute Focus - best Kai'Sa rune vs JaxGathering Storm - best Kai'Sa rune vs Jax
100.0% WR

The Inspiration and Sorcery rune setup gives Kai'Sa the best tools to compete against Jax 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
42.88%6396.988414,14946.1%40.7%
45.86%4236.782313,52146.4%45.5%
44.36%4176.782113,71841.8%46.1%
46.29%3376.682513,39845.4%47.0%
47.73%3316.984213,24943.1%51.4%
48.14%3226.886514,30450.0%46.9%
48.25%3156.993214,61245.1%50.5%
49.77%2136.890713,77753.6%46.5%
44.59%1576.887113,21135.7%54.8%
50.34%1496.985413,74650.0%50.6%
45.27%1487.084013,75443.3%46.9%
44.27%1316.786213,99549.1%41.0%
50.00%1246.677612,78053.3%46.9%
50.54%936.682613,71150.0%50.9%
46.67%906.781813,29751.2%42.5%
53.93%896.691714,39052.6%54.9%
50.00%886.885013,80157.9%44.0%
47.67%867.098014,31859.5%38.8%
45.88%856.887714,65741.2%49.0%
54.22%836.983813,35659.0%50.0%
56.34%717.285214,84065.5%50.0%
50.00%486.894614,75537.5%56.3%
50.00%426.899315,37550.0%50.0%
47.50%406.870211,86140.9%55.6%
48.72%396.889215,31235.7%56.0%
36.11%366.883212,96333.3%38.1%
40.00%356.488912,68150.0%29.4%
57.14%357.185315,52460.0%56.0%
42.31%266.888513,28146.1%38.5%
61.54%266.787615,44442.9%68.4%
42.86%216.585513,79237.5%46.1%
28.57%216.787515,95825.0%30.8%
45.00%206.067812,79342.9%46.1%
60.00%206.583113,53466.7%54.5%
36.84%196.31,00611,62736.4%37.5%
52.63%197.093915,08740.0%57.1%
55.56%186.285112,79255.6%55.6%
31.25%166.579713,91925.0%33.3%
56.25%166.973113,14362.5%50.0%
50.00%147.281012,26850.0%50.0%
25.00%126.81,05414,30414.3%40.0%
36.36%116.691614,3570.0%50.0%
63.64%116.099013,02966.7%62.5%
30.00%106.969911,51325.0%33.3%
75.00%86.598514,834100.0%60.0%
50.00%87.191111,45560.0%33.3%
37.50%85.983514,71950.0%33.3%
25.00%87.065114,2760.0%33.3%
57.14%77.386212,16050.0%100.0%
28.57%76.682014,0160.0%33.3%
14.29%77.082913,3160.0%25.0%
57.14%76.687414,87133.3%75.0%
57.14%77.187710,35980.0%0.0%
28.57%76.680412,0110.0%50.0%
57.14%76.076212,98075.0%33.3%
42.86%76.81,01913,19433.3%100.0%
16.67%66.682912,01625.0%0.0%
0.00%66.562310,5340.0%0.0%
50.00%67.194212,20733.3%66.7%
16.67%65.874210,9690.0%33.3%
50.00%67.191514,568100.0%25.0%
66.67%66.881912,88450.0%75.0%
60.00%57.284411,515100.0%33.3%
40.00%56.995613,3010.0%100.0%
60.00%57.061411,79066.7%50.0%
40.00%56.199312,658100.0%0.0%
60.00%56.01,08015,410100.0%50.0%

Get the MetaBot Desktop App

Level up your gameplay with real-time overlays, automatic game detection, and instant stats — all on your desktop.

In-game overlaysAuto game detectionMulti-game supportPersonal dashboard
Download NowFree download
🔍

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.

Report an Issue

Kai'Sa vs Jax - Frequently Asked Questions

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

Jax wins the Kai'Sa vs Jax matchup with a 83.3% win rate compared to Kai'Sa's 16.7%, a 66.7 percentage point difference. This data is based on 6 recent ranked games in patch 26.10.

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

In the early game, Jax has the advantage against Kai'Sa with a 100.0% win rate versus 0.0%. Jax 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 Jax in the late game?

In the late game, Jax takes over the Kai'Sa vs Jax matchup with a 66.7% win rate compared to 33.3%. Jax scales better into team fights and objective contests after 25 minutes.

Who wins the Kai'Sa vs Jax matchup?

Jax wins the matchup against Kai'Sa with a 83.3% win rate in League of Legends patch 26.10. The 66.7 percentage point advantage means Jax is significantly favored in this lane matchup based on 6 games analyzed.

What is the best Kai'Sa build against Jax?

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

What are the best Kai'Sa runes against Jax?

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

Does Kai'Sa counter Jax?

No, Kai'Sa struggles against Jax with only a 16.7% win rate. Jax has the advantage in this matchup. Kai'Sa players should focus on safe farming and avoiding extended trades to minimize Jax's lead.

How do I play Kai'Sa against Jax?

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