
Jaycevs Cassiopeia
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.
Who Wins the Jayce vs Cassiopeia Matchup?

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 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.
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
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
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.
Opponent | Win Rate | Matches | CS/min | DMG/min | Gold/game | Early WR | Late WR |
|---|---|---|---|---|---|---|---|
| 44.00% | 50 | 7.0 | 789 | 11,876 | 40.0% | 48.0% | |
| 41.30% | 46 | 7.0 | 953 | 13,538 | 56.3% | 33.3% | |
| 40.00% | 35 | 7.1 | 829 | 12,156 | 55.6% | 23.5% | |
| 47.06% | 34 | 6.5 | 980 | 12,616 | 52.9% | 41.2% | |
| 54.55% | 33 | 7.3 | 899 | 11,286 | 66.7% | 33.3% | |
| 53.13% | 32 | 7.2 | 1,162 | 13,768 | 75.0% | 40.0% | |
| 43.75% | 32 | 7.2 | 988 | 14,437 | 33.3% | 52.9% | |
| 51.61% | 31 | 7.0 | 957 | 13,149 | 57.1% | 50.0% | |
| 43.33% | 30 | 7.1 | 859 | 10,653 | 47.4% | 36.4% | |
| 46.67% | 30 | 6.0 | 1,412 | 13,394 | 53.3% | 40.0% | |
| 27.59% | 29 | 7.3 | 1,027 | 11,943 | 28.6% | 26.7% | |
| 44.83% | 29 | 7.4 | 950 | 13,247 | 66.7% | 29.4% | |
| 34.48% | 29 | 7.3 | 942 | 13,868 | 55.6% | 25.0% | |
| 34.62% | 26 | 7.0 | 1,154 | 11,868 | 33.3% | 36.4% | |
| 53.85% | 26 | 1.8 | 843 | 13,360 | 60.0% | 45.5% | |
| 20.00% | 25 | 3.9 | 1,058 | 14,063 | 30.0% | 13.3% | |
| 48.00% | 25 | 6.6 | 1,023 | 12,596 | 38.5% | 58.3% | |
| 50.00% | 24 | 7.5 | 835 | 12,815 | 53.9% | 45.5% | |
| 58.33% | 24 | 7.3 | 1,028 | 13,073 | 61.5% | 54.5% | |
| 56.52% | 23 | 5.7 | 973 | 13,072 | 45.5% | 66.7% | |
| 60.87% | 23 | 6.8 | 1,012 | 11,809 | 69.2% | 50.0% | |
| 45.45% | 22 | 7.1 | 800 | 11,967 | 12.5% | 64.3% | |
| 40.91% | 22 | 4.7 | 906 | 12,687 | 61.5% | 11.1% | |
| 36.36% | 22 | 6.9 | 965 | 13,094 | 33.3% | 37.5% | |
| 72.73% | 22 | 4.9 | 898 | 12,694 | 55.6% | 84.6% | |
| 61.90% | 21 | 7.6 | 1,039 | 11,564 | 70.0% | 54.5% | |
| 47.62% | 21 | 6.7 | 999 | 13,122 | 62.5% | 38.5% | |
| 55.00% | 20 | 6.9 | 817 | 12,347 | 63.6% | 44.4% | |
| 70.00% | 20 | 2.3 | 876 | 15,120 | 77.8% | 63.6% | |
| 55.00% | 20 | 7.2 | 889 | 11,479 | 46.1% | 71.4% | |
| 50.00% | 20 | 3.5 | 779 | 11,808 | 50.0% | 50.0% | |
| 47.37% | 19 | 7.2 | 888 | 12,904 | 62.5% | 36.4% | |
| 42.11% | 19 | 6.4 | 854 | 11,205 | 60.0% | 22.2% | |
| 36.84% | 19 | 7.6 | 1,042 | 13,672 | 50.0% | 22.2% | |
| 47.37% | 19 | 7.2 | 1,025 | 11,282 | 55.6% | 40.0% | |
| 23.53% | 17 | 6.1 | 861 | 9,006 | 25.0% | 20.0% | |
| 47.06% | 17 | 6.5 | 917 | 12,881 | 66.7% | 36.4% | |
| 52.94% | 17 | 6.6 | 1,024 | 12,108 | 63.6% | 33.3% | |
| 35.29% | 17 | 6.7 | 981 | 10,321 | 27.3% | 50.0% | |
| 35.29% | 17 | 6.9 | 980 | 13,309 | 20.0% | 41.7% | |
| 50.00% | 16 | 6.5 | 1,137 | 13,232 | 55.6% | 42.9% | |
| 46.67% | 15 | 2.3 | 843 | 13,175 | 57.1% | 37.5% | |
| 40.00% | 15 | 6.8 | 945 | 11,288 | 33.3% | 44.4% | |
| 80.00% | 15 | 1.1 | 991 | 15,845 | 100.0% | 66.7% | |
| 66.67% | 15 | 6.8 | 1,035 | 12,939 | 71.4% | 62.5% | |
| 64.29% | 14 | 7.0 | 1,179 | 13,446 | 66.7% | 60.0% | |
| 35.71% | 14 | 1.1 | 913 | 14,919 | 16.7% | 50.0% | |
| 57.14% | 14 | 6.2 | 1,044 | 11,140 | 50.0% | 62.5% | |
| 35.71% | 14 | 8.0 | 884 | 11,455 | 33.3% | 37.5% | |
| 42.86% | 14 | 5.8 | 1,026 | 13,526 | 50.0% | 37.5% | |
| 46.15% | 13 | 3.5 | 1,117 | 16,087 | 50.0% | 44.4% | |
| 38.46% | 13 | 6.8 | 959 | 12,223 | 50.0% | 28.6% | |
| 61.54% | 13 | 4.8 | 1,138 | 13,256 | 66.7% | 50.0% | |
| 61.54% | 13 | 7.8 | 916 | 13,637 | 83.3% | 42.9% | |
| 23.08% | 13 | 1.7 | 915 | 12,892 | 33.3% | 20.0% | |
| 61.54% | 13 | 7.1 | 963 | 12,622 | 50.0% | 71.4% | |
| 33.33% | 12 | 6.5 | 746 | 12,551 | 50.0% | 25.0% | |
| 41.67% | 12 | 7.2 | 876 | 12,958 | 60.0% | 28.6% | |
| 66.67% | 12 | 7.6 | 878 | 12,557 | 80.0% | 57.1% | |
| 58.33% | 12 | 7.3 | 910 | 14,047 | 75.0% | 50.0% | |
| 50.00% | 12 | 3.9 | 1,105 | 15,940 | 80.0% | 28.6% | |
| 50.00% | 12 | 6.4 | 1,028 | 13,254 | 66.7% | 33.3% | |
| 45.45% | 11 | 2.2 | 688 | 9,623 | 42.9% | 50.0% | |
| 45.45% | 11 | 7.2 | 848 | 15,145 | 75.0% | 28.6% | |
| 45.45% | 11 | 6.1 | 872 | 12,462 | 66.7% | 37.5% | |
| 72.73% | 11 | 7.0 | 865 | 13,197 | 80.0% | 66.7% | |
| 63.64% | 11 | 5.6 | 873 | 14,270 | 100.0% | 42.9% | |
| 54.55% | 11 | 6.5 | 863 | 12,154 | 62.5% | 33.3% | |
| 63.64% | 11 | 7.5 | 705 | 9,748 | 50.0% | 100.0% | |
| 54.55% | 11 | 7.0 | 970 | 13,163 | 25.0% | 71.4% | |
| 50.00% | 10 | 1.3 | 819 | 13,798 | 40.0% | 60.0% | |
| 30.00% | 10 | 2.4 | 877 | 12,068 | 33.3% | 28.6% | |
| 70.00% | 10 | 1.2 | 904 | 13,433 | 57.1% | 100.0% | |
| 40.00% | 10 | 6.8 | 1,091 | 12,659 | 60.0% | 20.0% | |
| 66.67% | 9 | 6.0 | 1,014 | 14,506 | 50.0% | 71.4% | |
| 62.50% | 8 | 7.2 | 1,074 | 13,264 | 75.0% | 50.0% | |
| 50.00% | 8 | 2.6 | 1,034 | 14,364 | 40.0% | 66.7% | |
| 25.00% | 8 | 6.7 | 875 | 11,594 | 33.3% | 20.0% | |
| 25.00% | 8 | 3.3 | 906 | 11,658 | 66.7% | 0.0% | |
| 62.50% | 8 | 6.9 | 1,078 | 13,870 | 66.7% | 60.0% | |
| 25.00% | 8 | 7.1 | 666 | 10,166 | 33.3% | 0.0% | |
| 25.00% | 8 | 3.8 | 752 | 12,714 | 25.0% | 25.0% | |
| 71.43% | 7 | 5.2 | 1,066 | 16,350 | 100.0% | 33.3% | |
| 71.43% | 7 | 8.0 | 1,234 | 14,741 | 100.0% | 50.0% | |
| 42.86% | 7 | 7.0 | 871 | 13,089 | 50.0% | 40.0% | |
| 57.14% | 7 | 8.1 | 921 | 11,698 | 50.0% | 66.7% | |
| 42.86% | 7 | 3.3 | 1,056 | 12,956 | 66.7% | 25.0% | |
| 71.43% | 7 | 6.4 | 1,069 | 12,931 | 50.0% | 80.0% | |
| 28.57% | 7 | 7.5 | 717 | 10,010 | 33.3% | 0.0% | |
| 57.14% | 7 | 1.4 | 989 | 18,605 | 0.0% | 57.1% | |
| 57.14% | 7 | 3.9 | 853 | 14,626 | 66.7% | 50.0% | |
| 71.43% | 7 | 7.2 | 916 | 10,301 | 75.0% | 66.7% | |
| 28.57% | 7 | 3.2 | 952 | 12,732 | 20.0% | 50.0% | |
| 28.57% | 7 | 7.0 | 922 | 11,103 | 0.0% | 100.0% | |
| 42.86% | 7 | 6.8 | 898 | 12,844 | 0.0% | 50.0% | |
| 66.67% | 6 | 8.0 | 1,049 | 11,211 | 75.0% | 50.0% | |
| 50.00% | 6 | 8.4 | 1,123 | 12,697 | 50.0% | 50.0% | |
| 66.67% | 6 | 8.2 | 1,169 | 15,220 | 50.0% | 75.0% | |
| 50.00% | 6 | 6.9 | 1,029 | 13,703 | 0.0% | 75.0% | |
| 20.00% | 5 | 1.6 | 936 | 14,165 | 33.3% | 0.0% | |
| 80.00% | 5 | 7.0 | 780 | 12,494 | 100.0% | 0.0% | |
| 100.00% | 5 | 6.1 | 1,199 | 16,759 | 100.0% | 100.0% | |
| 20.00% | 5 | 8.0 | 952 | 16,430 | 100.0% | 0.0% | |
| 60.00% | 5 | 7.9 | 952 | 13,759 | 33.3% | 100.0% | |
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.
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.
