Karthus - League of Legends Champion
Win Rate
49.3%
Pick Rate
1.3%

Karthusvs Sivir

DMage
Patch26.7
Matches949,984
LaneAll Lanes
TierAll Tiers
Last UpdatedApr 20, 2026
MethodologyData Methodology

Karthus vs Sivir is a decisive matchup in LoL patch 26.7. Sivir wins with a 66.7% win rate (+33.3%) over Karthus based on 9 games. Sivir wins the early laning phase while Karthus scales better into the late game. Below you'll find the best Karthus build, runes, laning stats, and strategies for the Karthus vs Sivir 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.

Compare against an opponent
Sivir - 33.3% win rateSivir(33.3%)
Karthus - 33.3% win rate in this matchup
Karthus
33.3% WR
VS
Sivir vs Karthus matchup - 66.7% win rate
Sivir
66.7% WR

Who Wins the Karthus vs Sivir Matchup?

Sivir wins the Karthus vs Sivir matchup
Winner
Sivir
Matches: 9
33.3%
Win Rate
66.7%
7.3
CS / min
8.4
1,212
DMG / min
1,053
13,578
Gold / game
16,344
78
Heal / min
235
390
DMG Mitigated / min
356
0.6
CC / min
0.1
20.0%
Early Game WR
80.0%
50.0%
Late Game WR
50.0%

Karthus vs Sivir Matchup Summary

The Karthus vs Sivir matchup is a decisive matchup in League of Legends ranked play. Based on 9 recent matches analyzed, Sivir wins with a 66.7% win rate compared to Karthus's 33.3%, giving Sivir a 33.3 percentage point advantage. Game phase dynamics play a critical role here: Sivir controls the early laning stage, but Karthus outscales as the game goes longer. The matchup shifts dramatically depending on game length — Sivir needs to press advantages before Karthus reaches their power spikes, while Karthus should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in crowd control, where Karthus leads by 0.5s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Sivir 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 Sivir 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 Sivir Laning Phase Breakdown

Sivir wins the laning phase against Karthus in League of Legends

Sivir is favored during the laning phase against Karthus, winning 3 out of 5 key stat categories. Sivir holds advantages in farming, gold income and sustain, making them the stronger laner in this matchup.

Farming
7.3Karthus
8.4Sivir
Sivir significantly out-farms Karthus by 1.1 CS per minute, accumulating an estimated 16 CS lead by mid game. This substantial farming gap gives Sivir a major gold advantage and earlier item completions. Karthus players should prioritize wave management techniques like freezing near tower and using abilities efficiently to minimize the deficit.
Damage
1,212Karthus
1,053Sivir
Karthus heavily out-damages Sivir by 159 DMG/min, dominating both short trades and all-in fights. Sivir should avoid extended combat and instead focus on burst trade patterns — short engages followed by immediate disengagement — to avoid letting Karthus's sustained damage advantage take over.
Economy
13,578Karthus
16,344Sivir
Sivir generates a commanding 2,766 more gold per game than Karthus. This substantial economic advantage means Sivir consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Karthus should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.6Karthus
0.1Sivir
Karthus provides 0.5 seconds more crowd control per minute than Sivir, offering better gank setup potential and slightly more team fight utility. This CC advantage helps Karthus coordinate with their jungler and control the pace of skirmishes.
Sustain
469Karthus
591Sivir
Sivir heals and mitigates 123 more damage per minute than Karthus, providing moderate extra durability. This sustain edge allows Sivir to stay in lane longer between recalls and gradually win extended wars of attrition. Consider building early grievous wounds if playing Karthus.

Early Game vs Late Game

Early Game
Sivir
80.0%
+60.0% advantage
Karthus early game win rateKarthus20.0%
Sivir early game win rateSivir80.0%
Late Game
Karthus
50.0%
+0.0% advantage
Karthus late game win rateKarthus50.0%
Sivir late game win rateSivir50.0%

Sivir dominates the early game (first 15 minutes) with a commanding 80.0% win rate — a 60.0 percentage point lead over Karthus. This lopsided early game means Sivir 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 Karthus at 50.0% win rate — only 0.0 points ahead of Sivir. Team fight execution and macro play determine the winner at this stage, not champion matchup advantage.

The power dynamics shift as the game progresses — Sivir has the edge early, but Karthus gradually takes over. However, the margins are slim enough that either champion can win at any stage with the right plays. Focus on taking advantages when you have them rather than waiting for a specific game phase.

Best Karthus Runes Against Sivir

Domination rune tree - Karthus primary runes vs SivirDomination
Dark Harvest - best Karthus rune vs SivirCheap Shot - best Karthus rune vs SivirSixth Sense - best Karthus rune vs SivirTreasure Hunter - best Karthus rune vs Sivir
Precision rune tree - Karthus secondary runes vs SivirPrecision
Triumph - best Karthus rune vs SivirLast Stand - best Karthus rune vs Sivir
100.0% WR

The Domination and Precision rune setup gives Karthus the best tools to compete against Sivir 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.

Karthus matchup win rates and stats in League of Legends patch 26.7
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
48.78%411.51,24613,63464.7%37.5%
45.00%401.71,19914,67650.0%41.7%
37.84%371.81,20313,45342.9%34.8%
59.46%376.81,20414,13361.1%57.9%
58.33%361.41,18514,86346.1%65.2%
42.86%351.61,14713,92340.0%45.0%
44.12%341.41,12214,48658.3%36.4%
65.63%326.31,26613,64771.4%61.1%
50.00%281.61,25415,99971.4%42.9%
44.44%276.11,21913,94641.7%46.7%
59.26%276.01,24814,69160.0%58.8%
60.00%251.51,20814,13545.5%71.4%
63.64%222.01,41215,52085.7%53.3%
63.64%226.01,33115,66162.5%64.3%
57.89%191.21,11113,72737.5%72.7%
36.84%196.51,28014,54516.7%46.1%
42.11%191.51,29515,86340.0%42.9%
57.89%191.41,15014,33071.4%50.0%
47.06%176.41,29415,52850.0%46.1%
76.47%171.21,06613,39466.7%87.5%
47.06%171.81,19814,51350.0%46.1%
75.00%161.41,29814,71466.7%80.0%
56.25%161.51,14013,02250.0%62.5%
26.67%151.31,03412,14627.3%25.0%
33.33%152.11,14213,21320.0%40.0%
35.71%141.11,12013,85225.0%50.0%
38.46%131.21,08313,38916.7%57.1%
38.46%131.41,18614,42740.0%37.5%
23.08%132.21,01010,85522.2%25.0%
46.15%136.01,24613,80450.0%44.4%
53.85%137.11,16413,19242.9%66.7%
50.00%123.71,31914,92180.0%28.6%
50.00%121.21,22814,55325.0%62.5%
25.00%126.51,36414,04133.3%16.7%
83.33%121.41,23815,11766.7%88.9%
25.00%121.61,12615,19325.0%25.0%
66.67%127.31,53918,810100.0%60.0%
25.00%121.21,07613,8870.0%60.0%
50.00%121.31,03811,95450.0%50.0%
63.64%116.81,40515,26060.0%66.7%
63.64%112.91,09213,99266.7%62.5%
27.27%111.31,12512,25020.0%33.3%
18.18%111.51,18312,73025.0%14.3%
45.45%116.71,23014,91440.0%50.0%
70.00%105.91,26912,68760.0%80.0%
60.00%107.01,16813,68960.0%60.0%
60.00%101.41,38813,38660.0%60.0%
70.00%107.11,33314,53075.0%66.7%
33.33%97.31,21213,57820.0%50.0%
44.44%93.899013,717100.0%28.6%
22.22%96.81,08812,89120.0%25.0%
66.67%91.61,56915,98675.0%60.0%
66.67%91.81,22714,33780.0%50.0%
33.33%94.81,07213,64425.0%40.0%
50.00%86.71,22114,59460.0%33.3%
37.50%81.81,33816,668100.0%28.6%
42.86%72.11,10612,56733.3%50.0%
42.86%72.21,17211,38060.0%0.0%
42.86%72.01,37413,47750.0%33.3%
42.86%77.21,12512,97033.3%50.0%
71.43%75.71,05413,5520.0%100.0%
71.43%71.21,49615,8850.0%83.3%
14.29%72.91,23213,7160.0%33.3%
57.14%72.01,19112,95466.7%50.0%
42.86%72.11,19315,03550.0%40.0%
85.71%71.61,34617,646100.0%80.0%
57.14%72.81,23515,411100.0%40.0%
50.00%66.91,27912,34425.0%100.0%
66.67%61.31,38414,20166.7%66.7%
66.67%61.396311,486100.0%50.0%
33.33%65.41,55214,5320.0%33.3%
33.33%62.481311,29650.0%0.0%
66.67%64.01,15114,6630.0%80.0%
16.67%61.41,19215,1100.0%20.0%
50.00%61.61,26817,2400.0%60.0%
60.00%55.91,19113,24966.7%50.0%
40.00%51.61,10312,8790.0%66.7%
40.00%56.81,00311,9160.0%50.0%
60.00%55.11,47719,353100.0%50.0%
20.00%52.81,10312,98150.0%0.0%
60.00%53.17289,38375.0%0.0%
60.00%57.11,03414,8450.0%75.0%
20.00%58.21,15513,53650.0%0.0%
60.00%52.382213,48466.7%50.0%

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Karthus vs Sivir - Frequently Asked Questions

How does Karthus do against Sivir in League of Legends?

Sivir wins the Karthus vs Sivir matchup with a 66.7% win rate compared to Karthus's 33.3%, a 33.3 percentage point difference. This data is based on 9 recent ranked games in patch 26.7.

How does Karthus do against Sivir in the early game?

In the early game, Sivir has the advantage against Karthus with a 80.0% win rate versus 20.0%. Sivir players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Karthus do against Sivir in the late game?

In the late game, Karthus takes over the Karthus vs Sivir matchup with a 50.0% win rate compared to 50.0%. Karthus scales better into team fights and objective contests after 25 minutes.

Who wins the Karthus vs Sivir matchup?

Sivir wins the matchup against Karthus with a 66.7% win rate in League of Legends patch 26.7. The 33.3 percentage point advantage means Sivir is significantly favored in this lane matchup based on 9 games analyzed.

What is the best Karthus build against Sivir?

The best Karthus build against Sivir includes optimized core items. Check the matchup breakdown above for the full item path and build order.

What are the best Karthus runes against Sivir?

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

Does Karthus counter Sivir?

No, Karthus struggles against Sivir with only a 33.3% win rate. Sivir has the advantage in this matchup. Karthus players should focus on safe farming and avoiding extended trades to minimize Sivir's lead.

How do I play Karthus against Sivir?

When playing Karthus against Sivir, play cautiously and avoid Sivir's power spikes. Focus on safe farming — you outscale Sivir in the late game. Use the matchup-specific build and runes above to optimize your chances.