Karthus - League of Legends Champion
Win Rate
50.1%
Pick Rate
1.0%

Karthusvs Fiddlesticks

BMage
Patch26.3
Matches785,220
LaneAll Lanes
TierAll Tiers
Last UpdatedFeb 25, 2026
MethodologyData Methodology

Karthus vs Fiddlesticks is a very close matchup in LoL patch 26.3. Karthus wins with a 50.0% win rate (+0.0%) over Fiddlesticks based on 20 games. Fiddlesticks 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 Fiddlesticks 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
Fiddlesticks - 50.0% win rateFiddlesticks(50.0%)
Karthus - 50.0% win rate in this matchup
Karthus
50.0% WR
VS
Fiddlesticks vs Karthus matchup - 50.0% win rate
Fiddlesticks
50.0% WR

Who Wins the Karthus vs Fiddlesticks Matchup?

Karthus wins the Karthus vs Fiddlesticks matchup
Winner
Karthus
Matches: 20
50.0%
Win Rate
50.0%
1.7
CS / min
1.5
1,408
DMG / min
938
17,299
Gold / game
15,400
288
Heal / min
557
482
DMG Mitigated / min
655
0.6
CC / min
1.6
40.0%
Early Game WR
60.0%
53.3%
Late Game WR
46.7%

Karthus vs Fiddlesticks Matchup Summary

The Karthus vs Fiddlesticks matchup is essentially a coin-flip matchup in League of Legends ranked play. Based on 20 recent matches analyzed, Karthus wins with a 50.0% win rate compared to Fiddlesticks's 50.0%, giving Karthus a 0.0 percentage point advantage. Game phase dynamics play a critical role here: Fiddlesticks controls the early laning stage, but Karthus outscales as the game goes longer. The matchup shifts dramatically depending on game length — Fiddlesticks 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 Fiddlesticks leads by 1.0s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Karthus has a statistical edge, but the margin is close enough that respecting Fiddlesticks's strengths is important. Trade when cooldowns are favorable, track the enemy jungler, and build toward your strongest item spikes to convert the slight advantage into a decisive lead. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Karthus vs Fiddlesticks Laning Phase Breakdown

Karthus wins the laning phase against Fiddlesticks in League of Legends

Karthus is favored during the laning phase against Fiddlesticks, 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.

Farming
1.7Karthus
1.5Fiddlesticks
Karthus and Fiddlesticks farm at nearly identical rates in this matchup, with only a 0.2 CS/min difference. Neither champion holds a meaningful farming advantage, so lane dominance will come from trading and jungle interaction rather than CS leads.
Damage
1,408Karthus
938Fiddlesticks
Karthus heavily out-damages Fiddlesticks by 470 DMG/min, dominating both short trades and all-in fights. Fiddlesticks 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
17,299Karthus
15,400Fiddlesticks
Karthus generates a commanding 1,899 more gold per game than Fiddlesticks. This substantial economic advantage means Karthus consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Fiddlesticks should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.6Karthus
1.6Fiddlesticks
Fiddlesticks brings significantly more crowd control than Karthus, with 1.0 more seconds of CC per minute. This large utility gap makes Fiddlesticks far more valuable in setting up jungle ganks, controlling objectives, and locking down targets in team fights. Karthus should invest in tenacity and position carefully to avoid being chain-CC'd.
Sustain
770Karthus
1,211Fiddlesticks
Fiddlesticks vastly out-sustains Karthus, healing and mitigating 441 more damage per minute. This massive durability gap means Fiddlesticks can absorb significant punishment and remain in lane while Karthus is forced to recall. Building grievous wounds early is essential for Karthus, and focusing on burst trade patterns rather than sustained fights is critical.

Best Karthus Build Against Fiddlesticks

Sorcerer's Shoes is the optimal boots choice against Fiddlesticks, providing the mobility and stats Karthus needs most in this matchup. The top-performing core items for Karthus against Fiddlesticks are Shadowflame, Rabadon's Deathcap and Blackfire Torch. This combination gives Karthus 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 Fiddlesticks. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Karthus vs Fiddlesticks matchup.

Early Game vs Late Game

Early Game
Fiddlesticks
60.0%
+20.0% advantage
Karthus early game win rateKarthus40.0%
Fiddlesticks early game win rateFiddlesticks60.0%
Late Game
Karthus
53.3%
+6.7% advantage
Karthus late game win rateKarthus53.3%
Fiddlesticks late game win rateFiddlesticks46.7%

Fiddlesticks 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 Fiddlesticks can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Karthus is far superior in the late game (25+ minutes), boasting a 53.3% win rate — 6.7 points above Fiddlesticks. Extended games heavily favor Karthus, whose kit and scaling make them a dominant force in team fights and objective control.

This matchup features a dramatic power shift: Fiddlesticks must aggressively press their early advantage and close out the game before Karthus reaches their scaling breakpoints. If Karthus 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 Karthus Runes Against Fiddlesticks

Domination rune tree - Karthus primary runes vs FiddlesticksDomination
Dark Harvest - best Karthus rune vs FiddlesticksCheap Shot - best Karthus rune vs FiddlesticksDeep Ward - best Karthus rune vs FiddlesticksUltimate Hunter - best Karthus rune vs Fiddlesticks
Sorcery rune tree - Karthus secondary runes vs FiddlesticksSorcery
Gathering Storm - best Karthus rune vs FiddlesticksAxiom Arcanist - best Karthus rune vs Fiddlesticks
100.0% WR

The Domination primary with Sorcery secondary combination helps Karthus maximize their potential in this closely contested matchup, providing the right mix of offensive and defensive tools to edge out Fiddlesticks.


Karthus matchup data for League of Legends patch 26.3. 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 26.3
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
56.25%961.41,12314,38859.0%54.4%
46.30%541.21,04613,66347.8%45.2%
46.81%471.41,15114,43353.3%43.8%
45.00%401.81,33016,93233.3%48.4%
43.24%371.41,10813,38840.0%45.5%
45.95%371.41,17014,40131.3%57.1%
38.24%341.61,22214,11428.6%45.0%
50.00%321.31,13814,41525.0%65.0%
72.41%291.41,10114,19176.9%68.8%
58.62%291.31,22814,69653.9%62.5%
39.29%281.51,37113,92635.7%42.9%
38.46%261.61,29113,75340.0%37.5%
42.31%261.51,03613,59550.0%35.7%
52.17%231.51,30314,68755.6%50.0%
69.57%231.51,13614,47440.0%92.3%
47.83%231.31,20715,14666.7%35.7%
45.45%221.71,16714,95145.5%45.5%
59.09%221.51,30214,32245.5%72.7%
45.00%201.51,08211,90922.2%63.6%
65.00%201.71,28214,30255.6%72.7%
50.00%201.71,40817,29940.0%53.3%
42.11%192.41,11213,02642.9%41.7%
47.37%191.41,21115,48828.6%58.3%
27.78%181.91,28113,72640.0%12.5%
72.22%182.31,14412,93270.0%75.0%
70.59%172.41,60717,27142.9%90.0%
41.18%171.31,22714,28450.0%33.3%
52.94%177.21,22815,41171.4%40.0%
56.25%161.61,04114,83566.7%50.0%
46.67%151.91,13113,76550.0%42.9%
66.67%151.61,06814,08680.0%40.0%
53.33%156.71,10312,95957.1%50.0%
46.67%151.41,15013,29042.9%50.0%
35.71%146.61,27917,08350.0%33.3%
50.00%142.31,27714,49066.7%37.5%
28.57%141.490711,39228.6%28.6%
35.71%147.11,11712,35880.0%11.1%
50.00%146.51,42016,70960.0%44.4%
71.43%147.11,36715,437100.0%42.9%
42.86%141.51,05712,74355.6%20.0%
38.46%131.41,06214,13528.6%50.0%
38.46%132.61,15914,3320.0%55.6%
46.15%136.11,34515,1540.0%75.0%
69.23%134.71,28014,35780.0%62.5%
30.77%133.71,31415,30820.0%37.5%
66.67%121.31,23716,245100.0%55.6%
33.33%127.21,34013,72833.3%33.3%
50.00%121.01,11514,3070.0%54.5%
75.00%126.41,41817,22275.0%75.0%
25.00%121.71,11315,76350.0%20.0%
54.55%117.01,19614,83425.0%71.4%
27.27%111.71,28915,84833.3%25.0%
45.45%111.71,16312,13440.0%50.0%
60.00%103.41,32417,42633.3%71.4%
50.00%105.91,24515,553100.0%44.4%
50.00%103.293710,45237.5%100.0%
40.00%101.11,11413,92260.0%20.0%
44.44%91.41,13114,56725.0%60.0%
55.56%93.11,43513,23575.0%40.0%
44.44%93.71,25414,03740.0%50.0%
37.50%82.21,27316,6260.0%75.0%
62.50%83.51,30414,08080.0%33.3%
62.50%86.41,26313,51533.3%80.0%
25.00%82.11,13415,68333.3%20.0%
37.50%81.31,15615,60675.0%0.0%
37.50%86.697013,2060.0%50.0%
50.00%81.81,45016,953100.0%42.9%
37.50%85.81,37314,97250.0%33.3%
42.86%74.71,11313,2860.0%60.0%
42.86%76.91,00211,11342.9%0.0%
85.71%71.11,28713,266100.0%75.0%
42.86%71.31,02011,40740.0%50.0%
66.67%64.91,00410,98450.0%100.0%
50.00%67.51,23415,71166.7%33.3%
83.33%61.11,14512,33866.7%100.0%
50.00%63.01,01512,34766.7%33.3%
66.67%63.71,34814,14133.3%100.0%
83.33%66.51,40915,494100.0%75.0%
40.00%54.11,24915,2220.0%50.0%
40.00%56.11,17513,2610.0%50.0%
40.00%56.61,31617,0450.0%40.0%
40.00%57.11,39113,0930.0%66.7%
40.00%57.21,04812,41540.0%0.0%
60.00%55.81,34412,69633.3%100.0%
80.00%56.11,50716,55050.0%100.0%
40.00%56.91,07513,23550.0%33.3%
20.00%56.31,27614,7800.0%25.0%
40.00%56.51,03312,14150.0%33.3%
40.00%54.696411,01950.0%0.0%
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Karthus vs Fiddlesticks - Frequently Asked Questions

How does Karthus do against Fiddlesticks in League of Legends?

Karthus wins the Karthus vs Fiddlesticks matchup with a 50.0% win rate compared to Fiddlesticks's 50.0%, a 0.0 percentage point difference. This data is based on 20 recent ranked games in patch 26.3.

How does Karthus do against Fiddlesticks in the early game?

In the early game, Fiddlesticks has the advantage against Karthus with a 60.0% win rate versus 40.0%. Fiddlesticks players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Karthus do against Fiddlesticks in the late game?

In the late game, Karthus takes over the Karthus vs Fiddlesticks matchup with a 53.3% win rate compared to 46.7%. Karthus scales better into team fights and objective contests after 25 minutes.

Who wins the Karthus vs Fiddlesticks matchup?

Karthus wins the matchup against Fiddlesticks with a 50.0% win rate in League of Legends patch 26.3. The 0.0 percentage point advantage means Karthus is slightly favored in this lane matchup based on 20 games analyzed.

What is the best Karthus build against Fiddlesticks?

The best Karthus build against Fiddlesticks includes Shadowflame, Rabadon's Deathcap, Blackfire Torch with Sorcerer's Shoes. 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 Karthus runes against Fiddlesticks?

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

Does Karthus counter Fiddlesticks?

Yes, Karthus has a favorable matchup against Fiddlesticks with a 50.0% win rate. Karthus slightly edges out Fiddlesticks in lane based on current patch 26.3 data.

How do I play Karthus against Fiddlesticks?

When playing Karthus against Fiddlesticks, leverage your statistical advantages by trading aggressively during favorable windows. Play safe early and scale into your power spikes where you outperform Fiddlesticks. Build the recommended items and runes for this specific matchup for the best results.