
Jarvan IVvs Karthus
Jarvan IV vs Karthus is a decisive matchup in LoL patch 26.7. Jarvan IV wins with a 57.9% win rate (+15.8%) over Karthus based on 19 games. Jarvan IV holds the advantage in both the early and late game. Below you'll find the best Jarvan IV build, runes, laning stats, and strategies for the Jarvan IV vs Karthus matchup.
Jarvan IV Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Jarvan IV 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 Jarvan IV vs Karthus Matchup?

Jarvan IV vs Karthus Matchup Summary
The Jarvan IV vs Karthus matchup is a decisive matchup in League of Legends ranked play. Based on 19 recent matches analyzed, Jarvan IV wins with a 57.9% win rate compared to Karthus's 42.1%, giving Jarvan IV a 15.8 percentage point advantage. Jarvan IV 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 sustain, where Jarvan IV leads by 1,103 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Jarvan IV 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.
Jarvan IV vs Karthus Laning Phase Breakdown
Karthus is favored during the laning phase against Jarvan IV, winning 3 out of 5 key stat categories. Karthus holds advantages in farming, damage and gold income, making them the stronger laner in this matchup.
Best Jarvan IV Build Against Karthus
Mercury's Treads is the optimal boots choice against Karthus, providing the mobility and stats Jarvan IV needs most in this matchup. The top-performing core items for Jarvan IV against Karthus are Sundered Sky, Death's Dance and Sterak's Gage. This combination gives Jarvan IV an effective balance of damage, survivability, and utility for the matchup. This build achieves a solid 50.0% win rate across 2 games, proving it to be a reliable item path when facing Karthus. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Jarvan IV vs Karthus matchup.
Early Game vs Late Game
Jarvan IV 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 Jarvan IV can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.
Jarvan IV is far superior in the late game (25+ minutes), boasting a 57.1% win rate — 14.3 points above Karthus. Extended games heavily favor Jarvan IV, whose kit and scaling make them a dominant force in team fights and objective control.
Jarvan IV 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 Jarvan IV Runes Against Karthus
Running Precision primary with Inspiration secondary allows Jarvan IV to press their advantage against Karthus, amplifying the strengths that make this a favorable matchup.
Jarvan IV matchup data for League of Legends patch 26.7. The table below shows Jarvan IV'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 Jarvan IV 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 |
|---|---|---|---|---|---|---|---|
| 48.18% | 110 | 1.0 | 557 | 12,321 | 47.9% | 48.4% | |
| 50.46% | 109 | 0.9 | 610 | 12,807 | 38.1% | 58.2% | |
| 45.87% | 109 | 1.0 | 605 | 12,186 | 55.6% | 36.4% | |
| 53.26% | 92 | 1.0 | 664 | 12,905 | 56.8% | 50.0% | |
| 51.72% | 87 | 1.0 | 609 | 13,196 | 63.6% | 44.4% | |
| 39.53% | 86 | 0.9 | 579 | 12,031 | 38.1% | 40.9% | |
| 48.72% | 78 | 0.8 | 610 | 12,471 | 47.4% | 50.0% | |
| 44.16% | 77 | 1.0 | 602 | 12,985 | 53.3% | 38.3% | |
| 61.11% | 72 | 0.9 | 607 | 12,988 | 50.0% | 71.0% | |
| 52.38% | 63 | 1.0 | 676 | 13,562 | 50.0% | 53.7% | |
| 44.83% | 58 | 0.9 | 587 | 11,960 | 50.0% | 41.2% | |
| 41.38% | 58 | 0.9 | 647 | 11,916 | 42.9% | 39.1% | |
| 41.82% | 55 | 0.9 | 657 | 12,901 | 45.8% | 38.7% | |
| 42.59% | 54 | 0.9 | 594 | 12,678 | 45.5% | 40.6% | |
| 59.62% | 52 | 1.0 | 659 | 12,235 | 71.4% | 45.8% | |
| 48.00% | 50 | 1.1 | 562 | 12,460 | 50.0% | 45.8% | |
| 45.65% | 46 | 0.9 | 549 | 12,010 | 43.5% | 47.8% | |
| 39.13% | 46 | 0.8 | 625 | 11,930 | 31.8% | 45.8% | |
| 36.96% | 46 | 0.8 | 606 | 12,654 | 42.9% | 32.0% | |
| 52.38% | 42 | 1.0 | 633 | 12,708 | 61.1% | 45.8% | |
| 41.46% | 41 | 1.1 | 631 | 13,226 | 53.3% | 34.6% | |
| 36.59% | 41 | 1.0 | 564 | 12,497 | 42.9% | 30.0% | |
| 46.34% | 41 | 1.1 | 612 | 11,996 | 54.2% | 35.3% | |
| 64.10% | 39 | 1.0 | 624 | 11,650 | 59.1% | 70.6% | |
| 50.00% | 34 | 0.9 | 676 | 12,798 | 50.0% | 50.0% | |
| 41.18% | 34 | 0.8 | 712 | 12,482 | 41.2% | 41.2% | |
| 55.88% | 34 | 1.1 | 636 | 13,388 | 57.1% | 55.0% | |
| 56.67% | 30 | 1.2 | 669 | 13,903 | 60.0% | 53.3% | |
| 53.33% | 30 | 1.0 | 617 | 11,598 | 40.0% | 66.7% | |
| 55.17% | 29 | 0.9 | 607 | 11,865 | 46.7% | 64.3% | |
| 57.14% | 28 | 0.9 | 630 | 13,524 | 41.7% | 68.8% | |
| 65.38% | 26 | 1.2 | 771 | 13,416 | 41.7% | 85.7% | |
| 57.69% | 26 | 0.8 | 644 | 13,455 | 50.0% | 64.3% | |
| 40.00% | 25 | 1.0 | 620 | 12,722 | 50.0% | 33.3% | |
| 33.33% | 24 | 1.3 | 627 | 10,843 | 33.3% | 33.3% | |
| 41.67% | 24 | 1.1 | 789 | 12,823 | 50.0% | 30.0% | |
| 45.83% | 24 | 1.1 | 724 | 12,525 | 50.0% | 42.9% | |
| 47.83% | 23 | 1.0 | 621 | 11,561 | 38.5% | 60.0% | |
| 52.17% | 23 | 0.8 | 687 | 13,022 | 46.1% | 60.0% | |
| 40.91% | 22 | 1.0 | 639 | 13,416 | 50.0% | 30.0% | |
| 60.00% | 20 | 0.9 | 558 | 11,861 | 63.6% | 55.6% | |
| 55.00% | 20 | 1.0 | 558 | 12,676 | 54.5% | 55.6% | |
| 68.42% | 19 | 1.4 | 497 | 11,763 | 81.8% | 50.0% | |
| 57.89% | 19 | 1.0 | 635 | 13,861 | 60.0% | 57.1% | |
| 68.42% | 19 | 1.1 | 625 | 12,537 | 58.3% | 85.7% | |
| 42.11% | 19 | 0.7 | 641 | 11,368 | 30.0% | 55.6% | |
| 58.82% | 17 | 1.1 | 599 | 12,413 | 57.1% | 60.0% | |
| 35.29% | 17 | 2.1 | 524 | 11,304 | 20.0% | 41.7% | |
| 50.00% | 16 | 0.8 | 585 | 11,104 | 42.9% | 55.6% | |
| 73.33% | 15 | 0.9 | 680 | 10,953 | 75.0% | 66.7% | |
| 57.14% | 14 | 0.8 | 824 | 12,912 | 33.3% | 75.0% | |
| 35.71% | 14 | 1.0 | 515 | 11,891 | 57.1% | 14.3% | |
| 42.86% | 14 | 1.2 | 524 | 11,282 | 44.4% | 40.0% | |
| 50.00% | 12 | 1.6 | 573 | 9,924 | 50.0% | 50.0% | |
| 50.00% | 12 | 1.0 | 446 | 11,251 | 50.0% | 50.0% | |
| 83.33% | 12 | 1.4 | 635 | 13,096 | 100.0% | 71.4% | |
| 54.55% | 11 | 1.6 | 723 | 13,225 | 75.0% | 42.9% | |
| 63.64% | 11 | 0.8 | 635 | 12,351 | 50.0% | 80.0% | |
| 50.00% | 10 | 1.1 | 621 | 11,878 | 50.0% | 50.0% | |
| 70.00% | 10 | 1.4 | 624 | 14,400 | 0.0% | 77.8% | |
| 55.56% | 9 | 0.6 | 517 | 12,561 | 60.0% | 50.0% | |
| 55.56% | 9 | 1.3 | 646 | 11,803 | 66.7% | 50.0% | |
| 55.56% | 9 | 1.9 | 647 | 11,346 | 66.7% | 50.0% | |
| 75.00% | 8 | 1.8 | 587 | 13,364 | 66.7% | 80.0% | |
| 71.43% | 7 | 2.1 | 728 | 11,834 | 50.0% | 80.0% | |
| 57.14% | 7 | 1.6 | 585 | 9,156 | 75.0% | 33.3% | |
| 57.14% | 7 | 0.9 | 636 | 12,686 | 33.3% | 75.0% | |
| 42.86% | 7 | 2.5 | 564 | 12,382 | 50.0% | 40.0% | |
| 50.00% | 6 | 1.6 | 505 | 12,719 | 100.0% | 25.0% | |
| 66.67% | 6 | 3.0 | 709 | 12,790 | 50.0% | 75.0% | |
| 16.67% | 6 | 2.1 | 555 | 10,303 | 33.3% | 0.0% | |
| 50.00% | 6 | 1.5 | 457 | 9,982 | 100.0% | 0.0% | |
| 50.00% | 6 | 1.4 | 629 | 10,035 | 66.7% | 33.3% | |
| 80.00% | 5 | 1.6 | 658 | 12,770 | 100.0% | 66.7% | |
| 60.00% | 5 | 1.1 | 527 | 10,841 | 33.3% | 100.0% | |
| 0.00% | 5 | 3.8 | 790 | 12,180 | 0.0% | 0.0% | |
| 60.00% | 5 | 0.6 | 584 | 13,841 | 100.0% | 33.3% | |
| 80.00% | 5 | 2.1 | 726 | 11,869 | 66.7% | 100.0% | |
| 40.00% | 5 | 0.8 | 676 | 13,201 | 0.0% | 50.0% | |
| 60.00% | 5 | 3.5 | 1,005 | 13,272 | 100.0% | 0.0% | |
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Jarvan IV vs Karthus - Frequently Asked Questions
How does Jarvan IV do against Karthus in League of Legends?
Jarvan IV wins the Jarvan IV vs Karthus matchup with a 57.9% win rate compared to Karthus's 42.1%, a 15.8 percentage point difference. This data is based on 19 recent ranked games in patch 26.7.
How does Jarvan IV do against Karthus in the early game?
In the early game, Jarvan IV has the advantage against Karthus with a 60.0% win rate versus 40.0%. Jarvan IV players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.
How does Jarvan IV do against Karthus in the late game?
In the late game, Jarvan IV takes over the Jarvan IV vs Karthus matchup with a 57.1% win rate compared to 42.9%. Jarvan IV scales better into team fights and objective contests after 25 minutes.
Who wins the Jarvan IV vs Karthus matchup?
Jarvan IV wins the matchup against Karthus with a 57.9% win rate in League of Legends patch 26.7. The 15.8 percentage point advantage means Jarvan IV is significantly favored in this lane matchup based on 19 games analyzed.
What is the best Jarvan IV build against Karthus?
The best Jarvan IV build against Karthus includes Sundered Sky, Death's Dance, Sterak's Gage with Mercury's Treads. This build achieves a 50.0% win rate in the matchup. Check the matchup breakdown above for the full item path and build order.
What are the best Jarvan IV runes against Karthus?
The best Jarvan IV runes against Karthus use the Precision primary tree with Inspiration secondary. This rune setup achieves a 100.0% win rate in the Jarvan IV vs Karthus matchup. See the full rune breakdown in the matchup comparison above.
Does Jarvan IV counter Karthus?
Yes, Jarvan IV has a favorable matchup against Karthus with a 57.9% win rate. Jarvan IV strongly counters Karthus in lane based on current patch 26.7 data.
How do I play Jarvan IV against Karthus?
When playing Jarvan IV 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.
