Kayn - League of Legends Champion
Win Rate
50.7%
Pick Rate
3.9%

Kaynvs Jayce

AFighterAssassin
Patch26.3
Matches785,220
LaneAll Lanes
TierAll Tiers
Last UpdatedFeb 26, 2026
MethodologyData Methodology

Kayn vs Jayce is a decisive matchup in LoL patch 26.3. Jayce wins with a 65.6% win rate (+31.2%) over Kayn based on 32 games. Jayce holds the advantage in both the early and late game. Below you'll find the best Kayn build, runes, laning stats, and strategies for the Kayn vs Jayce matchup.

Kayn Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Kayn 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
Jayce - 34.4% win rateJayce(34.4%)
Kayn - 34.4% win rate in this matchup
Kayn
34.4% WR
VS
Jayce vs Kayn matchup - 65.6% win rate
Jayce
65.6% WR

Who Wins the Kayn vs Jayce Matchup?

Jayce wins the Kayn vs Jayce matchup
Winner
Jayce
Matches: 32
34.4%
Win Rate
65.6%
1.5
CS / min
1.5
609
DMG / min
941
11,627
Gold / game
14,437
465
Heal / min
310
821
DMG Mitigated / min
597
0.5
CC / min
0.5
20.0%
Early Game WR
80.0%
47.1%
Late Game WR
52.9%

Kayn vs Jayce Matchup Summary

The Kayn vs Jayce matchup is a decisive matchup in League of Legends ranked play. Based on 32 recent matches analyzed, Jayce wins with a 65.6% win rate compared to Kayn's 34.4%, giving Jayce a 31.2 percentage point advantage. Jayce dominates at every stage — from early laning through late game team fights. This consistent advantage makes it difficult for Kayn players to find favorable windows, so team-dependent strategies and avoiding solo confrontations are essential. The most significant statistical gap is in damage output, where Jayce leads by 332 DMG/min — a difference that heavily influences the outcome of trades and skirmishes. Jayce has a strong advantage in this matchup. Kayn players should play defensively, prioritize safe farming under tower, and look for opportunities created by jungle pressure or Jayce 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.

Kayn vs Jayce Laning Phase Breakdown

Jayce wins the laning phase against Kayn in League of Legends

Jayce is favored during the laning phase against Kayn, winning 3 out of 5 key stat categories. Jayce holds advantages in farming, damage and gold income, making them the stronger laner in this matchup.

Farming
1.5Kayn
1.5Jayce
Kayn and Jayce 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
609Kayn
941Jayce
Jayce heavily out-damages Kayn by 332 DMG/min, dominating both short trades and all-in fights. Kayn should avoid extended combat and instead focus on burst trade patterns — short engages followed by immediate disengagement — to avoid letting Jayce's sustained damage advantage take over.
Economy
11,627Kayn
14,437Jayce
Jayce generates a commanding 2,811 more gold per game than Kayn. This substantial economic advantage means Jayce consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Kayn should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.5Kayn
0.5Jayce
Both Kayn and Jayce provide similar amounts of crowd control (0.0s/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
1,286Kayn
907Jayce
Kayn vastly out-sustains Jayce, healing and mitigating 379 more damage per minute. This massive durability gap means Kayn can absorb significant punishment and remain in lane while Jayce is forced to recall. Building grievous wounds early is essential for Jayce, and focusing on burst trade patterns rather than sustained fights is critical.

Best Kayn Build Against Jayce

Plated Steelcaps is the optimal boots choice against Jayce, providing the mobility and stats Kayn needs most in this matchup. The top-performing core items for Kayn against Jayce are Voltaic Cyclosword, Death's Dance and Black Cleaver. This combination gives Kayn an effective balance of damage, survivability, and utility for the matchup. This build performs exceptionally well, achieving a 60.0% win rate across 5 games — well above average and making it the top item path against Jayce. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Kayn vs Jayce matchup.

Early Game vs Late Game

Early Game
Jayce
80.0%
+60.0% advantage
Kayn early game win rateKayn20.0%
Jayce early game win rateJayce80.0%
Late Game
Jayce
52.9%
+5.9% advantage
Kayn late game win rateKayn47.1%
Jayce late game win rateJayce52.9%

Jayce dominates the early game (first 15 minutes) with a commanding 80.0% win rate — a 60.0 percentage point lead over Kayn. This lopsided early game means Jayce can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Jayce is far superior in the late game (25+ minutes), boasting a 52.9% win rate — 5.9 points above Kayn. Extended games heavily favor Jayce, whose kit and scaling make them a dominant force in team fights and objective control.

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

Best Kayn Runes Against Jayce

Domination rune tree - Kayn primary runes vs JayceDomination
Dark Harvest - best Kayn rune vs JayceSudden Impact - best Kayn rune vs JayceGrisly Mementos - best Kayn rune vs JayceTreasure Hunter - best Kayn rune vs Jayce
Inspiration rune tree - Kayn secondary runes vs JayceInspiration
Magical Footwear - best Kayn rune vs JayceCosmic Insight - best Kayn rune vs Jayce
100.0% WR

The Domination and Inspiration rune setup gives Kayn the best tools to compete against Jayce in this difficult matchup, compensating for the statistical disadvantages with optimal rune synergies.


Kayn matchup data for League of Legends patch 26.3. The table below shows Kayn'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 Kayn build, runes, laning stats, and early vs late game analysis for that specific matchup.

Kayn matchup win rates and stats in League of Legends patch 26.3
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
49.34%4561.174413,11352.1%47.4%
48.13%2681.177013,10247.9%48.3%
45.90%2441.179013,00741.9%48.9%
57.34%2181.380513,40257.3%57.4%
46.01%2131.270012,06441.9%50.0%
51.26%1991.073113,13750.6%51.8%
47.42%1941.072713,26544.4%49.2%
50.90%1671.177013,54546.4%54.1%
48.23%1411.81,02812,82646.8%49.4%
51.08%1391.279313,58552.8%50.0%
59.56%1361.176513,57961.7%57.9%
52.59%1351.677312,38556.2%48.4%
51.11%1351.180312,97049.3%53.0%
43.20%1261.180813,66442.5%43.6%
50.40%1251.173012,79141.7%58.5%
45.90%1221.175213,31845.5%46.3%
47.90%1191.173612,27446.4%50.0%
42.34%1111.183512,80741.4%43.4%
52.25%1111.378613,54450.0%53.9%
42.20%1091.177012,93728.6%53.3%
54.63%1081.177912,86656.3%53.3%
56.19%1051.278313,64965.2%49.1%
55.32%941.182813,57854.0%56.1%
50.00%921.177413,40944.7%53.7%
44.44%901.379012,61544.4%44.4%
50.00%881.378612,99542.1%56.0%
53.09%811.075712,60959.5%47.7%
48.05%771.175812,41748.5%47.7%
45.95%741.682814,33044.0%46.9%
50.77%651.173314,05652.2%50.0%
53.97%631.275212,40363.3%45.5%
50.79%631.372513,31350.0%51.2%
58.06%621.077712,67650.0%65.6%
60.66%611.073813,23857.1%63.6%
53.45%581.270212,77955.6%51.6%
48.15%541.280912,78350.0%46.9%
60.38%531.168913,36779.2%44.8%
39.22%511.378513,40045.5%34.5%
49.02%511.277113,53952.4%46.7%
40.00%501.988214,07033.3%42.9%
50.00%482.174313,26237.5%56.3%
47.83%461.281412,75545.5%50.0%
47.73%441.792313,52750.0%46.7%
43.90%411.175712,70331.8%57.9%
56.76%381.062612,04653.3%59.1%
56.76%370.974713,48560.0%54.5%
57.14%351.079014,49069.2%50.0%
50.00%321.274714,44958.3%45.0%
34.38%321.560911,62720.0%47.1%
53.13%322.089914,35554.5%52.4%
61.29%312.378212,90062.5%60.0%
54.84%313.01,02812,99353.9%55.6%
37.93%292.685514,62737.5%38.1%
62.07%291.183513,99446.1%75.0%
64.29%281.980212,41457.1%71.4%
47.83%231.177913,31840.0%53.9%
54.55%221.470013,95666.7%50.0%
78.95%192.474514,05766.7%84.6%
77.78%181.371513,07771.4%81.8%
38.89%184.188113,29925.0%50.0%
58.82%174.487510,70762.5%55.6%
47.06%175.078313,13471.4%30.0%
50.00%161.890715,17650.0%50.0%
75.00%161.173814,15583.3%70.0%
53.33%151.078313,99975.0%28.6%
53.85%131.170713,924100.0%40.0%
41.67%124.894814,48350.0%37.5%
58.33%121.671413,17350.0%60.0%
66.67%121.665611,98757.1%80.0%
36.36%110.964111,58950.0%0.0%
45.45%111.788613,92125.0%57.1%
66.67%93.067011,98766.7%66.7%
44.44%95.469711,41220.0%75.0%
62.50%86.31,20711,57450.0%66.7%
50.00%87.280813,88750.0%50.0%
28.57%75.867110,80325.0%33.3%
100.00%62.568515,491100.0%100.0%
66.67%60.857910,77766.7%66.7%
50.00%61.970715,5580.0%50.0%
60.00%50.983516,3040.0%75.0%
80.00%51.355110,744100.0%50.0%
60.00%53.780812,705100.0%50.0%
20.00%56.073510,4070.0%33.3%
60.00%56.293913,501100.0%50.0%
40.00%56.671310,8390.0%66.7%
40.00%55.083711,80350.0%33.3%
60.00%51.081513,11350.0%100.0%
100.00%53.178516,126100.0%100.0%
80.00%56.91,06115,9680.0%80.0%
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Kayn vs Jayce - Frequently Asked Questions

How does Kayn do against Jayce in League of Legends?

Jayce wins the Kayn vs Jayce matchup with a 65.6% win rate compared to Kayn's 34.4%, a 31.2 percentage point difference. This data is based on 32 recent ranked games in patch 26.3.

How does Kayn do against Jayce in the early game?

In the early game, Jayce has the advantage against Kayn with a 80.0% win rate versus 20.0%. Jayce players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Kayn do against Jayce in the late game?

In the late game, Jayce takes over the Kayn vs Jayce matchup with a 52.9% win rate compared to 47.1%. Jayce scales better into team fights and objective contests after 25 minutes.

Who wins the Kayn vs Jayce matchup?

Jayce wins the matchup against Kayn with a 65.6% win rate in League of Legends patch 26.3. The 31.2 percentage point advantage means Jayce is significantly favored in this lane matchup based on 32 games analyzed.

What is the best Kayn build against Jayce?

The best Kayn build against Jayce includes Voltaic Cyclosword, Death's Dance, Black Cleaver with Plated Steelcaps. This build achieves a 60.0% win rate in the matchup. Check the matchup breakdown above for the full item path and build order.

What are the best Kayn runes against Jayce?

The best Kayn runes against Jayce use the Domination primary tree with Inspiration secondary. This rune setup achieves a 100.0% win rate in the Kayn vs Jayce matchup. See the full rune breakdown in the matchup comparison above.

Does Kayn counter Jayce?

No, Kayn struggles against Jayce with only a 34.4% win rate. Jayce has the advantage in this matchup. Kayn players should focus on safe farming and avoiding extended trades to minimize Jayce's lead.

How do I play Kayn against Jayce?

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