Jaycevs Karthus
Jayce vs Karthus is a decisive matchup in LoL patch 26.3. Jayce wins with a 57.1% win rate (+14.3%) over Karthus based on 7 games. Jayce holds the advantage in both the early and late game. Below you'll find the best Jayce build, runes, laning stats, and strategies for the Jayce vs Karthus 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.
Karthus(57.1%)Who Wins the Jayce vs Karthus Matchup?
Jayce vs Karthus Matchup Summary
The Jayce vs Karthus matchup is a decisive matchup in League of Legends ranked play. Based on 7 recent matches analyzed, Jayce wins with a 57.1% win rate compared to Karthus's 42.9%, giving Jayce a 14.3 percentage point advantage. Jayce dominates at every stage — from early laning through late game team fights. This consistent advantage makes it difficult for Karthus players to find favorable windows, so team-dependent strategies and avoiding solo confrontations are essential. The most significant statistical gap is in CS, where Jayce leads by 0.3 CS/min — a difference that heavily influences the outcome of trades and skirmishes. Jayce players can confidently pick into Karthus and play aggressively from level 1. Look to establish lane dominance early through favorable trades and zone Karthus 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 Karthus Laning Phase Breakdown
Jayce is favored during the laning phase against Karthus, winning 3 out of 5 key stat categories. Jayce holds advantages in farming, gold income and sustain, making them the stronger laner in this matchup.
Best Jayce Build Against Karthus
Mercury's Treads is the optimal boots choice against Karthus, providing the mobility and stats Jayce needs most in this matchup. The top-performing core items for Jayce against Karthus are Opportunity, 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 66.7% win rate across 3 games — well above average and making it the top item path against Karthus. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Jayce vs Karthus matchup.
Early Game vs Late Game
Jayce60.0%Karthus40.0%Jayce50.0%Karthus50.0%Jayce dominates the early game (first 15 minutes) with a commanding 60.0% win rate — a 20.0 percentage point lead over Karthus. This lopsided early game means Jayce can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.
Late game (25+ minutes) is equally balanced, with Jayce at 50.0% win rate — only 0.0 points ahead of Karthus. Team fight execution and macro play determine the winner at this stage, not champion matchup advantage.
Jayce holds the advantage at every stage of the game, making this a consistently favorable matchup from lane through late game team fights. Karthus players should look for outplays, team-dependent strategies, and picks rather than relying on scaling to win this matchup.
Best Jayce Runes Against Karthus
Inspiration
Domination
Running Inspiration primary with Domination secondary allows Jayce to press their advantage against Karthus, amplifying the strengths that make this a favorable matchup.
Jayce matchup data for League of Legends patch 26.3. 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 |
|---|---|---|---|---|---|---|---|
| 57.14% | 63 | 1.4 | 875 | 15,256 | 63.3% | 51.5% | |
| 46.03% | 63 | 4.7 | 984 | 13,211 | 55.9% | 34.5% | |
| 50.00% | 52 | 4.8 | 1,264 | 14,324 | 57.1% | 47.4% | |
| 54.00% | 50 | 5.0 | 811 | 13,079 | 33.3% | 69.0% | |
| 44.19% | 43 | 7.0 | 981 | 12,597 | 59.1% | 28.6% | |
| 46.51% | 43 | 1.6 | 865 | 13,660 | 50.0% | 42.9% | |
| 53.85% | 39 | 6.9 | 1,025 | 13,501 | 63.2% | 45.0% | |
| 40.54% | 37 | 6.5 | 731 | 11,488 | 44.0% | 33.3% | |
| 45.95% | 37 | 5.3 | 841 | 12,658 | 31.3% | 57.1% | |
| 37.84% | 37 | 3.3 | 858 | 13,061 | 31.3% | 42.9% | |
| 48.65% | 37 | 5.8 | 962 | 12,630 | 57.1% | 37.5% | |
| 44.12% | 34 | 1.3 | 921 | 15,372 | 42.9% | 45.0% | |
| 45.45% | 33 | 6.7 | 770 | 11,873 | 37.5% | 52.9% | |
| 39.39% | 33 | 7.3 | 935 | 12,714 | 46.1% | 35.0% | |
| 53.13% | 32 | 6.8 | 819 | 13,251 | 45.5% | 57.1% | |
| 65.63% | 32 | 1.5 | 941 | 14,437 | 80.0% | 52.9% | |
| 50.00% | 32 | 1.3 | 828 | 14,011 | 50.0% | 50.0% | |
| 54.84% | 31 | 6.7 | 877 | 13,739 | 54.5% | 55.0% | |
| 53.33% | 30 | 5.4 | 1,006 | 13,331 | 60.0% | 46.7% | |
| 56.67% | 30 | 5.3 | 921 | 13,610 | 66.7% | 46.7% | |
| 34.48% | 29 | 2.1 | 959 | 13,459 | 29.4% | 41.7% | |
| 55.17% | 29 | 6.8 | 982 | 13,367 | 58.3% | 52.9% | |
| 39.29% | 28 | 6.7 | 931 | 13,189 | 40.0% | 38.9% | |
| 46.43% | 28 | 6.9 | 809 | 11,987 | 50.0% | 42.9% | |
| 48.15% | 27 | 4.1 | 863 | 13,269 | 38.5% | 57.1% | |
| 38.46% | 26 | 7.1 | 1,007 | 12,379 | 50.0% | 20.0% | |
| 28.00% | 25 | 2.2 | 897 | 13,980 | 15.4% | 41.7% | |
| 48.00% | 25 | 7.1 | 937 | 13,902 | 37.5% | 52.9% | |
| 50.00% | 24 | 6.9 | 1,036 | 14,106 | 25.0% | 62.5% | |
| 45.83% | 24 | 2.1 | 764 | 14,149 | 41.7% | 50.0% | |
| 39.13% | 23 | 1.3 | 890 | 14,695 | 38.5% | 40.0% | |
| 47.83% | 23 | 4.6 | 883 | 11,997 | 50.0% | 45.5% | |
| 50.00% | 22 | 1.4 | 876 | 15,198 | 85.7% | 33.3% | |
| 50.00% | 22 | 2.1 | 879 | 14,806 | 57.1% | 46.7% | |
| 31.82% | 22 | 7.0 | 1,148 | 12,499 | 30.8% | 33.3% | |
| 45.45% | 22 | 1.3 | 840 | 16,402 | 44.4% | 46.1% | |
| 50.00% | 22 | 3.8 | 897 | 13,263 | 55.6% | 46.1% | |
| 28.57% | 21 | 1.2 | 900 | 12,852 | 30.0% | 27.3% | |
| 33.33% | 21 | 1.3 | 922 | 13,184 | 36.4% | 30.0% | |
| 47.62% | 21 | 6.8 | 785 | 12,869 | 44.4% | 50.0% | |
| 35.00% | 20 | 1.7 | 1,012 | 15,882 | 28.6% | 38.5% | |
| 45.00% | 20 | 7.1 | 871 | 12,054 | 38.5% | 57.1% | |
| 36.84% | 19 | 1.7 | 941 | 15,127 | 37.5% | 36.4% | |
| 42.11% | 19 | 5.7 | 837 | 12,815 | 42.9% | 41.7% | |
| 57.89% | 19 | 1.7 | 876 | 15,089 | 66.7% | 50.0% | |
| 57.89% | 19 | 2.6 | 834 | 13,296 | 58.3% | 57.1% | |
| 52.63% | 19 | 7.3 | 822 | 13,430 | 37.5% | 63.6% | |
| 42.11% | 19 | 7.0 | 956 | 12,954 | 33.3% | 50.0% | |
| 26.32% | 19 | 6.3 | 909 | 12,482 | 33.3% | 14.3% | |
| 44.44% | 18 | 5.7 | 824 | 11,906 | 50.0% | 40.0% | |
| 61.11% | 18 | 7.1 | 1,091 | 13,925 | 62.5% | 60.0% | |
| 41.18% | 17 | 1.8 | 882 | 14,471 | 12.5% | 66.7% | |
| 52.94% | 17 | 7.0 | 1,089 | 11,150 | 57.1% | 33.3% | |
| 56.25% | 16 | 7.0 | 890 | 12,854 | 42.9% | 66.7% | |
| 43.75% | 16 | 6.8 | 1,061 | 13,017 | 50.0% | 37.5% | |
| 20.00% | 15 | 6.8 | 807 | 11,678 | 0.0% | 33.3% | |
| 73.33% | 15 | 6.3 | 969 | 12,501 | 80.0% | 70.0% | |
| 40.00% | 15 | 7.1 | 871 | 12,599 | 42.9% | 37.5% | |
| 53.33% | 15 | 5.8 | 927 | 13,892 | 40.0% | 60.0% | |
| 53.33% | 15 | 1.2 | 784 | 12,854 | 60.0% | 40.0% | |
| 40.00% | 15 | 1.5 | 979 | 16,096 | 42.9% | 37.5% | |
| 64.29% | 14 | 2.6 | 851 | 15,805 | 80.0% | 55.6% | |
| 42.86% | 14 | 6.9 | 930 | 13,406 | 37.5% | 50.0% | |
| 50.00% | 14 | 1.5 | 990 | 16,358 | 83.3% | 25.0% | |
| 53.85% | 13 | 7.2 | 895 | 12,297 | 50.0% | 60.0% | |
| 53.85% | 13 | 2.9 | 996 | 13,195 | 60.0% | 50.0% | |
| 53.85% | 13 | 6.5 | 931 | 13,593 | 55.6% | 50.0% | |
| 46.15% | 13 | 6.5 | 827 | 11,780 | 33.3% | 57.1% | |
| 61.54% | 13 | 6.3 | 737 | 12,865 | 40.0% | 75.0% | |
| 38.46% | 13 | 7.0 | 931 | 12,387 | 50.0% | 20.0% | |
| 69.23% | 13 | 6.5 | 803 | 12,979 | 75.0% | 66.7% | |
| 46.15% | 13 | 2.0 | 925 | 12,722 | 57.1% | 33.3% | |
| 38.46% | 13 | 6.8 | 744 | 12,676 | 25.0% | 44.4% | |
| 66.67% | 12 | 6.8 | 800 | 12,221 | 55.6% | 100.0% | |
| 66.67% | 12 | 5.8 | 852 | 14,722 | 80.0% | 57.1% | |
| 41.67% | 12 | 2.0 | 945 | 16,207 | 33.3% | 44.4% | |
| 81.82% | 11 | 7.8 | 1,106 | 13,779 | 85.7% | 75.0% | |
| 45.45% | 11 | 5.7 | 861 | 13,886 | 50.0% | 42.9% | |
| 72.73% | 11 | 2.8 | 939 | 16,626 | 100.0% | 66.7% | |
| 81.82% | 11 | 2.1 | 755 | 13,121 | 88.9% | 50.0% | |
| 54.55% | 11 | 6.2 | 872 | 12,883 | 60.0% | 50.0% | |
| 27.27% | 11 | 7.2 | 926 | 12,624 | 20.0% | 33.3% | |
| 70.00% | 10 | 5.6 | 971 | 15,251 | 100.0% | 66.7% | |
| 60.00% | 10 | 7.1 | 993 | 15,002 | 66.7% | 57.1% | |
| 40.00% | 10 | 7.2 | 957 | 13,311 | 75.0% | 16.7% | |
| 50.00% | 10 | 6.8 | 947 | 14,431 | 50.0% | 50.0% | |
| 70.00% | 10 | 1.3 | 1,049 | 16,738 | 100.0% | 50.0% | |
| 70.00% | 10 | 1.4 | 1,077 | 13,188 | 66.7% | 75.0% | |
| 70.00% | 10 | 6.6 | 949 | 14,118 | 80.0% | 60.0% | |
| 55.56% | 9 | 1.7 | 770 | 14,999 | 50.0% | 60.0% | |
| 44.44% | 9 | 2.8 | 696 | 13,181 | 25.0% | 60.0% | |
| 44.44% | 9 | 4.7 | 834 | 14,443 | 75.0% | 20.0% | |
| 33.33% | 9 | 7.1 | 999 | 14,295 | 33.3% | 33.3% | |
| 33.33% | 9 | 6.7 | 891 | 11,449 | 42.9% | 0.0% | |
| 62.50% | 8 | 2.0 | 1,039 | 12,364 | 60.0% | 66.7% | |
| 37.50% | 8 | 3.1 | 829 | 12,476 | 25.0% | 50.0% | |
| 25.00% | 8 | 6.0 | 770 | 10,806 | 25.0% | 25.0% | |
| 37.50% | 8 | 2.7 | 907 | 15,189 | 40.0% | 33.3% | |
| 75.00% | 8 | 4.0 | 914 | 11,243 | 50.0% | 100.0% | |
| 37.50% | 8 | 4.9 | 1,216 | 14,498 | 0.0% | 50.0% | |
| 37.50% | 8 | 7.0 | 968 | 10,718 | 20.0% | 66.7% | |
| 62.50% | 8 | 7.5 | 962 | 12,374 | 80.0% | 33.3% | |
| 57.14% | 7 | 1.6 | 860 | 12,871 | 60.0% | 50.0% | |
| 42.86% | 7 | 6.0 | 876 | 12,838 | 50.0% | 40.0% | |
| 57.14% | 7 | 7.2 | 996 | 13,876 | 100.0% | 25.0% | |
| 33.33% | 6 | 4.9 | 838 | 11,566 | 50.0% | 0.0% | |
| 50.00% | 6 | 7.3 | 797 | 13,577 | 100.0% | 25.0% | |
| 66.67% | 6 | 1.0 | 1,030 | 13,751 | 66.7% | 66.7% | |
| 60.00% | 5 | 7.0 | 723 | 11,185 | 75.0% | 0.0% | |
| 80.00% | 5 | 7.1 | 1,020 | 20,338 | 0.0% | 100.0% | |
| 60.00% | 5 | 6.7 | 1,164 | 14,272 | 100.0% | 33.3% | |
| 60.00% | 5 | 2.4 | 1,277 | 17,946 | 66.7% | 50.0% | |
| 20.00% | 5 | 1.4 | 833 | 14,783 | 0.0% | 25.0% | |
| 40.00% | 5 | 6.1 | 787 | 12,649 | 100.0% | 0.0% | |
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Jayce vs Karthus - Frequently Asked Questions
How does Jayce do against Karthus in League of Legends?
Jayce wins the Jayce vs Karthus matchup with a 57.1% win rate compared to Karthus's 42.9%, a 14.3 percentage point difference. This data is based on 7 recent ranked games in patch 26.3.
How does Jayce do against Karthus in the early game?
In the early game, Jayce has the advantage against Karthus with a 60.0% win rate versus 40.0%. Jayce players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.
How does Jayce do against Karthus in the late game?
In the late game, Jayce takes over the Jayce vs Karthus matchup with a 50.0% win rate compared to 50.0%. Jayce scales better into team fights and objective contests after 25 minutes.
Who wins the Jayce vs Karthus matchup?
Jayce wins the matchup against Karthus with a 57.1% win rate in League of Legends patch 26.3. The 14.3 percentage point advantage means Jayce is significantly favored in this lane matchup based on 7 games analyzed.
What is the best Jayce build against Karthus?
The best Jayce build against Karthus includes Opportunity, Edge of Night, Youmuu's Ghostblade with Mercury's Treads. This build achieves a 66.7% 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 Karthus?
The best Jayce runes against Karthus use the Inspiration primary tree with Domination secondary. This rune setup achieves a 100.0% win rate in the Jayce vs Karthus matchup. See the full rune breakdown in the matchup comparison above.
Does Jayce counter Karthus?
Yes, Jayce has a favorable matchup against Karthus with a 57.1% win rate. Jayce strongly counters Karthus in lane based on current patch 26.3 data.
How do I play Jayce against Karthus?
When playing Jayce against Karthus, leverage your statistical advantages by trading aggressively during favorable windows. You have early game priority — look for kills and zone control before first recall. Build the recommended items and runes for this specific matchup for the best results.