Jayce - League of Legends Champion
Win Rate
46.9%
Pick Rate
1.6%

Jaycevs Cassiopeia

FFighterMarksman
Patch26.9
Matches514,344
LaneAll Lanes
TierAll Tiers
Last UpdatedMay 10, 2026
MethodologyData Methodology

Jayce vs Cassiopeia is a decisive matchup in LoL patch 26.9. Jayce wins with a 60.0% win rate (+20.0%) over Cassiopeia based on 5 games. Cassiopeia wins the early laning phase while Jayce scales better into the late game. Below you'll find the best Jayce build, runes, laning stats, and strategies for the Jayce vs Cassiopeia matchup.

Jayce Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Jayce 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
Cassiopeia - 60.0% win rateCassiopeia(60.0%)
Jayce - 60.0% win rate in this matchup
Jayce
60.0% WR
VS
Cassiopeia vs Jayce matchup - 40.0% win rate
Cassiopeia
40.0% WR

Who Wins the Jayce vs Cassiopeia Matchup?

Jayce wins the Jayce vs Cassiopeia matchup
Winner
Jayce
Matches: 5
60.0%
Win Rate
40.0%
7.9
CS / min
7.6
952
DMG / min
583
13,759
Gold / game
10,358
135
Heal / min
174
534
DMG Mitigated / min
407
0.4
CC / min
0.9
33.3%
Early Game WR
66.7%
100.0%
Late Game WR
0.0%

Jayce vs Cassiopeia Matchup Summary

The Jayce vs Cassiopeia matchup is a decisive matchup in League of Legends ranked play. Based on 5 recent matches analyzed, Jayce wins with a 60.0% win rate compared to Cassiopeia's 40.0%, giving Jayce a 20.0 percentage point advantage. Game phase dynamics play a critical role here: Cassiopeia controls the early laning stage, but Jayce outscales as the game goes longer. The matchup shifts dramatically depending on game length — Cassiopeia needs to press advantages before Jayce reaches their power spikes, while Jayce should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in crowd control, where Cassiopeia leads by 0.5s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Jayce players can confidently pick into Cassiopeia and play aggressively from level 1. Look to establish lane dominance early through favorable trades and zone Cassiopeia away from CS whenever possible. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Jayce vs Cassiopeia Laning Phase Breakdown

Jayce wins the laning phase against Cassiopeia in League of Legends

Jayce is favored during the laning phase against Cassiopeia, winning 4 out of 5 key stat categories. Jayce holds advantages in farming, damage, gold income and sustain, making them the stronger laner in this matchup.

Farming
7.9Jayce
7.6Cassiopeia
Jayce and Cassiopeia farm at nearly identical rates in this matchup, with only a 0.3 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
952Jayce
583Cassiopeia
Jayce heavily out-damages Cassiopeia by 369 DMG/min, dominating both short trades and all-in fights. Cassiopeia 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
13,759Jayce
10,358Cassiopeia
Jayce generates a commanding 3,401 more gold per game than Cassiopeia. This substantial economic advantage means Jayce consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Cassiopeia should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.4Jayce
0.9Cassiopeia
Cassiopeia provides 0.5 seconds more crowd control per minute than Jayce, offering better gank setup potential and slightly more team fight utility. This CC advantage helps Cassiopeia coordinate with their jungler and control the pace of skirmishes.
Sustain
669Jayce
580Cassiopeia
Jayce heals and mitigates 89 more damage per minute than Cassiopeia, providing moderate extra durability. This sustain edge allows Jayce to stay in lane longer between recalls and gradually win extended wars of attrition. Consider building early grievous wounds if playing Cassiopeia.

Best Jayce Build Against Cassiopeia

Swiftmarch is the optimal boots choice against Cassiopeia, providing the mobility and stats Jayce needs most in this matchup. The top-performing core items for Jayce against Cassiopeia are Serylda's Grudge, Edge of Night and Youmuu's Ghostblade. This combination gives Jayce an effective balance of damage, survivability, and utility for the matchup. This build performs exceptionally well, achieving a 100.0% win rate across 1 games — well above average and making it the top item path against Cassiopeia. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Jayce vs Cassiopeia matchup.

Early Game vs Late Game

Early Game
Cassiopeia
66.7%
+33.3% advantage
Jayce early game win rateJayce33.3%
Cassiopeia early game win rateCassiopeia66.7%
Late Game
Jayce
100.0%
+100.0% advantage
Jayce late game win rateJayce100.0%
Cassiopeia late game win rateCassiopeia0.0%

Cassiopeia dominates the early game (first 15 minutes) with a commanding 66.7% win rate — a 33.3 percentage point lead over Jayce. This lopsided early game means Cassiopeia 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 100.0% win rate — 100.0 points above Cassiopeia. Extended games heavily favor Jayce, whose kit and scaling make them a dominant force in team fights and objective control.

This matchup features a dramatic power shift: Cassiopeia must aggressively press their early advantage and close out the game before Jayce reaches their scaling breakpoints. If Jayce 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 Jayce Runes Against Cassiopeia

Inspiration rune tree - Jayce primary runes vs CassiopeiaInspiration
First Strike - best Jayce rune vs CassiopeiaCash Back - best Jayce rune vs CassiopeiaTriple Tonic - best Jayce rune vs CassiopeiaCosmic Insight - best Jayce rune vs Cassiopeia
Precision rune tree - Jayce secondary runes vs CassiopeiaPrecision
Coup de Grace - best Jayce rune vs CassiopeiaPresence of Mind - best Jayce rune vs Cassiopeia
100.0% WR

Running Inspiration primary with Precision secondary allows Jayce to press their advantage against Cassiopeia, amplifying the strengths that make this a favorable matchup.


Jayce matchup data for League of Legends patch 26.9. The table below shows Jayce'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 Jayce build, runes, laning stats, and early vs late game analysis for that specific matchup.

Jayce matchup win rates and stats in League of Legends patch 26.9
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
44.00%507.078911,87640.0%48.0%
41.30%467.095313,53856.3%33.3%
40.00%357.182912,15655.6%23.5%
47.06%346.598012,61652.9%41.2%
54.55%337.389911,28666.7%33.3%
53.13%327.21,16213,76875.0%40.0%
43.75%327.298814,43733.3%52.9%
51.61%317.095713,14957.1%50.0%
43.33%307.185910,65347.4%36.4%
46.67%306.01,41213,39453.3%40.0%
27.59%297.31,02711,94328.6%26.7%
44.83%297.495013,24766.7%29.4%
34.48%297.394213,86855.6%25.0%
34.62%267.01,15411,86833.3%36.4%
53.85%261.884313,36060.0%45.5%
20.00%253.91,05814,06330.0%13.3%
48.00%256.61,02312,59638.5%58.3%
50.00%247.583512,81553.9%45.5%
58.33%247.31,02813,07361.5%54.5%
56.52%235.797313,07245.5%66.7%
60.87%236.81,01211,80969.2%50.0%
45.45%227.180011,96712.5%64.3%
40.91%224.790612,68761.5%11.1%
36.36%226.996513,09433.3%37.5%
72.73%224.989812,69455.6%84.6%
61.90%217.61,03911,56470.0%54.5%
47.62%216.799913,12262.5%38.5%
55.00%206.981712,34763.6%44.4%
70.00%202.387615,12077.8%63.6%
55.00%207.288911,47946.1%71.4%
50.00%203.577911,80850.0%50.0%
47.37%197.288812,90462.5%36.4%
42.11%196.485411,20560.0%22.2%
36.84%197.61,04213,67250.0%22.2%
47.37%197.21,02511,28255.6%40.0%
23.53%176.18619,00625.0%20.0%
47.06%176.591712,88166.7%36.4%
52.94%176.61,02412,10863.6%33.3%
35.29%176.798110,32127.3%50.0%
35.29%176.998013,30920.0%41.7%
50.00%166.51,13713,23255.6%42.9%
46.67%152.384313,17557.1%37.5%
40.00%156.894511,28833.3%44.4%
80.00%151.199115,845100.0%66.7%
66.67%156.81,03512,93971.4%62.5%
64.29%147.01,17913,44666.7%60.0%
35.71%141.191314,91916.7%50.0%
57.14%146.21,04411,14050.0%62.5%
35.71%148.088411,45533.3%37.5%
42.86%145.81,02613,52650.0%37.5%
46.15%133.51,11716,08750.0%44.4%
38.46%136.895912,22350.0%28.6%
61.54%134.81,13813,25666.7%50.0%
61.54%137.891613,63783.3%42.9%
23.08%131.791512,89233.3%20.0%
61.54%137.196312,62250.0%71.4%
33.33%126.574612,55150.0%25.0%
41.67%127.287612,95860.0%28.6%
66.67%127.687812,55780.0%57.1%
58.33%127.391014,04775.0%50.0%
50.00%123.91,10515,94080.0%28.6%
50.00%126.41,02813,25466.7%33.3%
45.45%112.26889,62342.9%50.0%
45.45%117.284815,14575.0%28.6%
45.45%116.187212,46266.7%37.5%
72.73%117.086513,19780.0%66.7%
63.64%115.687314,270100.0%42.9%
54.55%116.586312,15462.5%33.3%
63.64%117.57059,74850.0%100.0%
54.55%117.097013,16325.0%71.4%
50.00%101.381913,79840.0%60.0%
30.00%102.487712,06833.3%28.6%
70.00%101.290413,43357.1%100.0%
40.00%106.81,09112,65960.0%20.0%
66.67%96.01,01414,50650.0%71.4%
62.50%87.21,07413,26475.0%50.0%
50.00%82.61,03414,36440.0%66.7%
25.00%86.787511,59433.3%20.0%
25.00%83.390611,65866.7%0.0%
62.50%86.91,07813,87066.7%60.0%
25.00%87.166610,16633.3%0.0%
25.00%83.875212,71425.0%25.0%
71.43%75.21,06616,350100.0%33.3%
71.43%78.01,23414,741100.0%50.0%
42.86%77.087113,08950.0%40.0%
57.14%78.192111,69850.0%66.7%
42.86%73.31,05612,95666.7%25.0%
71.43%76.41,06912,93150.0%80.0%
28.57%77.571710,01033.3%0.0%
57.14%71.498918,6050.0%57.1%
57.14%73.985314,62666.7%50.0%
71.43%77.291610,30175.0%66.7%
28.57%73.295212,73220.0%50.0%
28.57%77.092211,1030.0%100.0%
42.86%76.889812,8440.0%50.0%
66.67%68.01,04911,21175.0%50.0%
50.00%68.41,12312,69750.0%50.0%
66.67%68.21,16915,22050.0%75.0%
50.00%66.91,02913,7030.0%75.0%
20.00%51.693614,16533.3%0.0%
80.00%57.078012,494100.0%0.0%
100.00%56.11,19916,759100.0%100.0%
20.00%58.095216,430100.0%0.0%
60.00%57.995213,75933.3%100.0%

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

Jayce vs Cassiopeia - Frequently Asked Questions

How does Jayce do against Cassiopeia in League of Legends?

Jayce wins the Jayce vs Cassiopeia matchup with a 60.0% win rate compared to Cassiopeia's 40.0%, a 20.0 percentage point difference. This data is based on 5 recent ranked games in patch 26.9.

How does Jayce do against Cassiopeia in the early game?

In the early game, Cassiopeia has the advantage against Jayce with a 66.7% win rate versus 33.3%. Cassiopeia players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Jayce do against Cassiopeia in the late game?

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

Who wins the Jayce vs Cassiopeia matchup?

Jayce wins the matchup against Cassiopeia with a 60.0% win rate in League of Legends patch 26.9. The 20.0 percentage point advantage means Jayce is significantly favored in this lane matchup based on 5 games analyzed.

What is the best Jayce build against Cassiopeia?

The best Jayce build against Cassiopeia includes Serylda's Grudge, Edge of Night, Youmuu's Ghostblade with Swiftmarch. This build achieves a 100.0% win rate in the matchup. Check the matchup breakdown above for the full item path and build order.

What are the best Jayce runes against Cassiopeia?

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

Does Jayce counter Cassiopeia?

Yes, Jayce has a favorable matchup against Cassiopeia with a 60.0% win rate. Jayce strongly counters Cassiopeia in lane based on current patch 26.9 data.

How do I play Jayce against Cassiopeia?

When playing Jayce against Cassiopeia, leverage your statistical advantages by trading aggressively during favorable windows. Play safe early and scale into your power spikes where you outperform Cassiopeia. Build the recommended items and runes for this specific matchup for the best results.