Karthusvs Rengar
Karthus vs Rengar is a decisive matchup in LoL patch 26.7. Rengar wins with a 73.3% win rate (+46.7%) over Karthus based on 15 games. Rengar holds the advantage in both the early and late game. Below you'll find the best Karthus build, runes, laning stats, and strategies for the Karthus vs Rengar matchup.
Karthus Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Karthus 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.
Rengar(26.7%)Who Wins the Karthus vs Rengar Matchup?
Karthus vs Rengar Matchup Summary
The Karthus vs Rengar matchup is a decisive matchup in League of Legends ranked play. Based on 15 recent matches analyzed, Rengar wins with a 73.3% win rate compared to Karthus's 26.7%, giving Rengar a 46.7 percentage point advantage. Rengar 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 Rengar leads by 355 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Rengar has a strong advantage in this matchup. Karthus players should play defensively, prioritize safe farming under tower, and look for opportunities created by jungle pressure or Rengar 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.
Karthus vs Rengar Laning Phase Breakdown
Karthus is favored during the laning phase against Rengar, winning 3 out of 5 key stat categories. Karthus holds advantages in farming, damage and crowd control, making them the stronger laner in this matchup.
Best Karthus Build Against Rengar
Sorcerer's Shoes is the optimal boots choice against Rengar, providing the mobility and stats Karthus needs most in this matchup. The top-performing core items for Karthus against Rengar are Liandry's Torment, Shadowflame and Zhonya's Hourglass. This combination gives Karthus an effective balance of damage, survivability, and utility for the matchup. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Karthus vs Rengar matchup.
Early Game vs Late Game
Karthus27.3%Rengar72.7%Karthus25.0%Rengar75.0%Rengar dominates the early game (first 15 minutes) with a commanding 72.7% win rate — a 45.5 percentage point lead over Karthus. This lopsided early game means Rengar can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.
Rengar is far superior in the late game (25+ minutes), boasting a 75.0% win rate — 50.0 points above Karthus. Extended games heavily favor Rengar, whose kit and scaling make them a dominant force in team fights and objective control.
Rengar 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 Karthus Runes Against Rengar
Domination
Precision
The Domination and Precision rune setup gives Karthus the best tools to compete against Rengar in this difficult matchup, compensating for the statistical disadvantages with optimal rune synergies.
Karthus matchup data for League of Legends patch 26.7. The table below shows Karthus'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 Karthus 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 |
|---|---|---|---|---|---|---|---|
| 48.78% | 41 | 1.5 | 1,246 | 13,634 | 64.7% | 37.5% | |
| 45.00% | 40 | 1.7 | 1,199 | 14,676 | 50.0% | 41.7% | |
| 37.84% | 37 | 1.8 | 1,203 | 13,453 | 42.9% | 34.8% | |
| 59.46% | 37 | 6.8 | 1,204 | 14,133 | 61.1% | 57.9% | |
| 58.33% | 36 | 1.4 | 1,185 | 14,863 | 46.1% | 65.2% | |
| 42.86% | 35 | 1.6 | 1,147 | 13,923 | 40.0% | 45.0% | |
| 44.12% | 34 | 1.4 | 1,122 | 14,486 | 58.3% | 36.4% | |
| 65.63% | 32 | 6.3 | 1,266 | 13,647 | 71.4% | 61.1% | |
| 50.00% | 28 | 1.6 | 1,254 | 15,999 | 71.4% | 42.9% | |
| 44.44% | 27 | 6.1 | 1,219 | 13,946 | 41.7% | 46.7% | |
| 59.26% | 27 | 6.0 | 1,248 | 14,691 | 60.0% | 58.8% | |
| 60.00% | 25 | 1.5 | 1,208 | 14,135 | 45.5% | 71.4% | |
| 63.64% | 22 | 2.0 | 1,412 | 15,520 | 85.7% | 53.3% | |
| 63.64% | 22 | 6.0 | 1,331 | 15,661 | 62.5% | 64.3% | |
| 57.89% | 19 | 1.2 | 1,111 | 13,727 | 37.5% | 72.7% | |
| 36.84% | 19 | 6.5 | 1,280 | 14,545 | 16.7% | 46.1% | |
| 42.11% | 19 | 1.5 | 1,295 | 15,863 | 40.0% | 42.9% | |
| 57.89% | 19 | 1.4 | 1,150 | 14,330 | 71.4% | 50.0% | |
| 47.06% | 17 | 6.4 | 1,294 | 15,528 | 50.0% | 46.1% | |
| 76.47% | 17 | 1.2 | 1,066 | 13,394 | 66.7% | 87.5% | |
| 47.06% | 17 | 1.8 | 1,198 | 14,513 | 50.0% | 46.1% | |
| 75.00% | 16 | 1.4 | 1,298 | 14,714 | 66.7% | 80.0% | |
| 56.25% | 16 | 1.5 | 1,140 | 13,022 | 50.0% | 62.5% | |
| 26.67% | 15 | 1.3 | 1,034 | 12,146 | 27.3% | 25.0% | |
| 33.33% | 15 | 2.1 | 1,142 | 13,213 | 20.0% | 40.0% | |
| 35.71% | 14 | 1.1 | 1,120 | 13,852 | 25.0% | 50.0% | |
| 38.46% | 13 | 1.2 | 1,083 | 13,389 | 16.7% | 57.1% | |
| 38.46% | 13 | 1.4 | 1,186 | 14,427 | 40.0% | 37.5% | |
| 23.08% | 13 | 2.2 | 1,010 | 10,855 | 22.2% | 25.0% | |
| 46.15% | 13 | 6.0 | 1,246 | 13,804 | 50.0% | 44.4% | |
| 53.85% | 13 | 7.1 | 1,164 | 13,192 | 42.9% | 66.7% | |
| 50.00% | 12 | 3.7 | 1,319 | 14,921 | 80.0% | 28.6% | |
| 50.00% | 12 | 1.2 | 1,228 | 14,553 | 25.0% | 62.5% | |
| 25.00% | 12 | 6.5 | 1,364 | 14,041 | 33.3% | 16.7% | |
| 83.33% | 12 | 1.4 | 1,238 | 15,117 | 66.7% | 88.9% | |
| 25.00% | 12 | 1.6 | 1,126 | 15,193 | 25.0% | 25.0% | |
| 66.67% | 12 | 7.3 | 1,539 | 18,810 | 100.0% | 60.0% | |
| 25.00% | 12 | 1.2 | 1,076 | 13,887 | 0.0% | 60.0% | |
| 50.00% | 12 | 1.3 | 1,038 | 11,954 | 50.0% | 50.0% | |
| 63.64% | 11 | 6.8 | 1,405 | 15,260 | 60.0% | 66.7% | |
| 63.64% | 11 | 2.9 | 1,092 | 13,992 | 66.7% | 62.5% | |
| 27.27% | 11 | 1.3 | 1,125 | 12,250 | 20.0% | 33.3% | |
| 18.18% | 11 | 1.5 | 1,183 | 12,730 | 25.0% | 14.3% | |
| 45.45% | 11 | 6.7 | 1,230 | 14,914 | 40.0% | 50.0% | |
| 70.00% | 10 | 5.9 | 1,269 | 12,687 | 60.0% | 80.0% | |
| 60.00% | 10 | 7.0 | 1,168 | 13,689 | 60.0% | 60.0% | |
| 60.00% | 10 | 1.4 | 1,388 | 13,386 | 60.0% | 60.0% | |
| 70.00% | 10 | 7.1 | 1,333 | 14,530 | 75.0% | 66.7% | |
| 33.33% | 9 | 7.3 | 1,212 | 13,578 | 20.0% | 50.0% | |
| 44.44% | 9 | 3.8 | 990 | 13,717 | 100.0% | 28.6% | |
| 22.22% | 9 | 6.8 | 1,088 | 12,891 | 20.0% | 25.0% | |
| 66.67% | 9 | 1.6 | 1,569 | 15,986 | 75.0% | 60.0% | |
| 66.67% | 9 | 1.8 | 1,227 | 14,337 | 80.0% | 50.0% | |
| 33.33% | 9 | 4.8 | 1,072 | 13,644 | 25.0% | 40.0% | |
| 50.00% | 8 | 6.7 | 1,221 | 14,594 | 60.0% | 33.3% | |
| 37.50% | 8 | 1.8 | 1,338 | 16,668 | 100.0% | 28.6% | |
| 42.86% | 7 | 2.1 | 1,106 | 12,567 | 33.3% | 50.0% | |
| 42.86% | 7 | 2.2 | 1,172 | 11,380 | 60.0% | 0.0% | |
| 42.86% | 7 | 2.0 | 1,374 | 13,477 | 50.0% | 33.3% | |
| 42.86% | 7 | 7.2 | 1,125 | 12,970 | 33.3% | 50.0% | |
| 71.43% | 7 | 5.7 | 1,054 | 13,552 | 0.0% | 100.0% | |
| 71.43% | 7 | 1.2 | 1,496 | 15,885 | 0.0% | 83.3% | |
| 14.29% | 7 | 2.9 | 1,232 | 13,716 | 0.0% | 33.3% | |
| 57.14% | 7 | 2.0 | 1,191 | 12,954 | 66.7% | 50.0% | |
| 42.86% | 7 | 2.1 | 1,193 | 15,035 | 50.0% | 40.0% | |
| 85.71% | 7 | 1.6 | 1,346 | 17,646 | 100.0% | 80.0% | |
| 57.14% | 7 | 2.8 | 1,235 | 15,411 | 100.0% | 40.0% | |
| 50.00% | 6 | 6.9 | 1,279 | 12,344 | 25.0% | 100.0% | |
| 66.67% | 6 | 1.3 | 1,384 | 14,201 | 66.7% | 66.7% | |
| 66.67% | 6 | 1.3 | 963 | 11,486 | 100.0% | 50.0% | |
| 33.33% | 6 | 5.4 | 1,552 | 14,532 | 0.0% | 33.3% | |
| 33.33% | 6 | 2.4 | 813 | 11,296 | 50.0% | 0.0% | |
| 66.67% | 6 | 4.0 | 1,151 | 14,663 | 0.0% | 80.0% | |
| 16.67% | 6 | 1.4 | 1,192 | 15,110 | 0.0% | 20.0% | |
| 50.00% | 6 | 1.6 | 1,268 | 17,240 | 0.0% | 60.0% | |
| 60.00% | 5 | 5.9 | 1,191 | 13,249 | 66.7% | 50.0% | |
| 40.00% | 5 | 1.6 | 1,103 | 12,879 | 0.0% | 66.7% | |
| 40.00% | 5 | 6.8 | 1,003 | 11,916 | 0.0% | 50.0% | |
| 60.00% | 5 | 5.1 | 1,477 | 19,353 | 100.0% | 50.0% | |
| 20.00% | 5 | 2.8 | 1,103 | 12,981 | 50.0% | 0.0% | |
| 60.00% | 5 | 3.1 | 728 | 9,383 | 75.0% | 0.0% | |
| 60.00% | 5 | 7.1 | 1,034 | 14,845 | 0.0% | 75.0% | |
| 20.00% | 5 | 8.2 | 1,155 | 13,536 | 50.0% | 0.0% | |
| 60.00% | 5 | 2.3 | 822 | 13,484 | 66.7% | 50.0% | |
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Karthus vs Rengar - Frequently Asked Questions
How does Karthus do against Rengar in League of Legends?
Rengar wins the Karthus vs Rengar matchup with a 73.3% win rate compared to Karthus's 26.7%, a 46.7 percentage point difference. This data is based on 15 recent ranked games in patch 26.7.
How does Karthus do against Rengar in the early game?
In the early game, Rengar has the advantage against Karthus with a 72.7% win rate versus 27.3%. Rengar players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.
How does Karthus do against Rengar in the late game?
In the late game, Rengar takes over the Karthus vs Rengar matchup with a 75.0% win rate compared to 25.0%. Rengar scales better into team fights and objective contests after 25 minutes.
Who wins the Karthus vs Rengar matchup?
Rengar wins the matchup against Karthus with a 73.3% win rate in League of Legends patch 26.7. The 46.7 percentage point advantage means Rengar is significantly favored in this lane matchup based on 15 games analyzed.
What is the best Karthus build against Rengar?
The best Karthus build against Rengar includes Liandry's Torment, Shadowflame, Zhonya's Hourglass with Sorcerer's Shoes. Check the matchup breakdown above for the full item path and build order.
What are the best Karthus runes against Rengar?
The best Karthus runes against Rengar use the Domination primary tree with Precision secondary. This rune setup achieves a 100.0% win rate in the Karthus vs Rengar matchup. See the full rune breakdown in the matchup comparison above.
Does Karthus counter Rengar?
No, Karthus struggles against Rengar with only a 26.7% win rate. Rengar has the advantage in this matchup. Karthus players should focus on safe farming and avoiding extended trades to minimize Rengar's lead.
How do I play Karthus against Rengar?
When playing Karthus against Rengar, play cautiously and avoid Rengar's power spikes. Look for jungle assistance and team-dependent plays since Rengar has the statistical advantage at most stages. Use the matchup-specific build and runes above to optimize your chances.