Fizz - League of Legends Champion
Win Rate
50.5%
Pick Rate
3.3%

Fizzvs Karthus

BAssassinFighter
Patch26.7
Matches949,984
LaneAll Lanes
TierAll Tiers
Last UpdatedApr 19, 2026
MethodologyData Methodology

Fizz vs Karthus is a decisive matchup in LoL patch 26.7. Karthus wins with a 66.7% win rate (+33.3%) over Fizz based on 6 games. Fizz wins the early laning phase while Karthus scales better into the late game. Below you'll find the best Fizz build, runes, laning stats, and strategies for the Fizz vs Karthus matchup.

Fizz Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Fizz 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
Karthus - 33.3% win rateKarthus(33.3%)
Fizz - 33.3% win rate in this matchup
Fizz
33.3% WR
VS
Karthus vs Fizz matchup - 66.7% win rate
Karthus
66.7% WR

Who Wins the Fizz vs Karthus Matchup?

Karthus wins the Fizz vs Karthus matchup
Winner
Karthus
Matches: 6
33.3%
Win Rate
66.7%
3.9
CS / min
4.0
722
DMG / min
1,151
14,725
Gold / game
14,663
238
Heal / min
219
567
DMG Mitigated / min
457
0.4
CC / min
0.6
100.0%
Early Game WR
0.0%
20.0%
Late Game WR
80.0%

Fizz vs Karthus Matchup Summary

The Fizz vs Karthus matchup is a decisive matchup in League of Legends ranked play. Based on 6 recent matches analyzed, Karthus wins with a 66.7% win rate compared to Fizz's 33.3%, giving Karthus a 33.3 percentage point advantage. Game phase dynamics play a critical role here: Fizz controls the early laning stage, but Karthus outscales as the game goes longer. The matchup shifts dramatically depending on game length — Fizz 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 damage output, where Karthus leads by 430 DMG/min — a difference that heavily influences the outcome of trades and skirmishes. Karthus has a strong advantage in this matchup. Fizz players should play defensively, prioritize safe farming under tower, and look for opportunities created by jungle pressure or Karthus 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.

Fizz vs Karthus Laning Phase Breakdown

Karthus wins the laning phase against Fizz in League of Legends

Karthus is favored during the laning phase against Fizz, 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.

Farming
3.9Fizz
4.0Karthus
Fizz and Karthus farm at nearly identical rates in this matchup, with only a 0.1 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
722Fizz
1,151Karthus
Karthus heavily out-damages Fizz by 430 DMG/min, dominating both short trades and all-in fights. Fizz 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
14,725Fizz
14,663Karthus
Fizz and Karthus generate nearly equal gold per game, with just a 62 gold difference. Neither champion has a clear economic advantage, so gold leads will depend on individual play quality, kill participation, and objective contributions.
Utility
0.4Fizz
0.6Karthus
Both Fizz and Karthus provide similar amounts of crowd control (0.2s/min difference), meaning neither has a significant advantage in locking down opponents for ganks or team fights. Lane ganks are equally effective for both sides.
Sustain
805Fizz
676Karthus
Fizz heals and mitigates 129 more damage per minute than Karthus, providing moderate extra durability. This sustain edge allows Fizz to stay in lane longer between recalls and gradually win extended wars of attrition. Consider building early grievous wounds if playing Karthus.

Best Fizz Build Against Karthus

Spellslinger's Shoes is the optimal boots choice against Karthus, providing the mobility and stats Fizz needs most in this matchup. The top-performing core items for Fizz against Karthus are Luden's Echo, Zhonya's Hourglass and Lich Bane. This combination gives Fizz 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 Fizz vs Karthus matchup.

Early Game vs Late Game

Early Game
Fizz
100.0%
+100.0% advantage
Fizz early game win rateFizz100.0%
Karthus early game win rateKarthus0.0%
Late Game
Karthus
80.0%
+60.0% advantage
Fizz late game win rateFizz20.0%
Karthus late game win rateKarthus80.0%

Fizz dominates the early game (first 15 minutes) with a commanding 100.0% win rate — a 100.0 percentage point lead over Karthus. This lopsided early game means Fizz 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 80.0% win rate — 60.0 points above Fizz. 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: Fizz 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 Fizz Runes Against Karthus

Precision rune tree - Fizz primary runes vs KarthusPrecision
Press the Attack - best Fizz rune vs KarthusTriumph - best Fizz rune vs KarthusLegend: Alacrity - best Fizz rune vs KarthusCoup de Grace - best Fizz rune vs Karthus
Domination rune tree - Fizz secondary runes vs KarthusDomination
Sudden Impact - best Fizz rune vs KarthusTreasure Hunter - best Fizz rune vs Karthus
100.0% WR

The Precision and Domination rune setup gives Fizz the best tools to compete against Karthus in this difficult matchup, compensating for the statistical disadvantages with optimal rune synergies.


Fizz matchup data for League of Legends patch 26.7. The table below shows Fizz'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 Fizz build, runes, laning stats, and early vs late game analysis for that specific matchup.

Fizz 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
49.69%1616.183612,63852.4%46.8%
58.60%1576.083112,41260.3%57.0%
57.27%1106.275312,60458.3%56.5%
39.42%1045.983512,28947.2%31.4%
48.31%895.773412,63650.0%47.1%
64.04%895.891413,30157.5%69.4%
48.28%875.990912,21551.2%45.6%
60.24%836.085812,59853.9%65.9%
62.20%826.187813,34462.9%61.7%
46.25%806.079612,29251.4%41.9%
57.33%756.185913,74760.0%55.6%
50.67%755.473312,18251.4%50.0%
52.05%735.874611,99857.5%45.5%
49.30%715.688012,86823.1%64.4%
64.29%706.370711,85260.6%67.6%
45.45%665.779512,48144.8%46.0%
40.00%655.686212,73951.4%26.7%
45.61%575.084712,02238.9%57.1%
50.88%576.290513,75060.0%46.0%
36.54%525.976312,82040.0%34.4%
42.86%494.982213,42742.1%43.3%
59.18%496.281312,87376.2%46.4%
48.94%476.278411,90939.1%58.3%
41.30%466.580912,54345.5%37.5%
57.78%456.078412,93965.0%52.0%
53.66%411.668713,31844.4%60.9%
52.50%405.478212,48442.9%63.2%
47.50%406.082112,72840.0%52.0%
40.00%405.276012,36838.9%40.9%
37.84%375.789613,27050.0%33.3%
62.86%356.279611,83352.6%75.0%
54.29%355.777912,41661.5%50.0%
41.18%346.088811,85352.9%29.4%
52.94%346.079412,15365.0%35.7%
45.45%335.989912,72928.6%57.9%
39.39%331.368712,67347.6%25.0%
68.75%322.280513,38561.1%78.6%
48.39%311.374713,47746.7%50.0%
45.16%316.295311,90528.6%58.8%
40.00%306.189612,71754.5%31.6%
46.43%286.283713,14237.5%50.0%
46.43%281.576813,15358.3%37.5%
48.15%275.885012,55650.0%46.7%
53.85%261.572312,40570.0%43.8%
48.00%251.180413,68660.0%40.0%
40.00%255.276813,10446.7%30.0%
45.83%244.890213,04941.7%50.0%
60.87%235.679713,69844.4%71.4%
54.55%222.276411,17757.1%50.0%
42.86%216.084812,00033.3%50.0%
52.38%216.075111,38561.5%37.5%
55.56%191.573612,74670.0%37.5%
47.37%191.561912,26762.5%36.4%
57.89%191.171112,34170.0%44.4%
47.37%191.179614,96380.0%35.7%
50.00%184.583612,63371.4%36.4%
55.56%186.086312,52460.0%50.0%
61.11%186.086211,69971.4%54.5%
41.18%172.381113,39625.0%55.6%
41.18%171.872814,25537.5%44.4%
41.18%172.475613,54133.3%45.5%
50.00%161.288713,84537.5%62.5%
68.75%161.477712,63866.7%70.0%
62.50%165.075710,06244.4%85.7%
50.00%163.672912,76160.0%33.3%
33.33%155.780713,29125.0%36.4%
71.43%145.588912,69475.0%66.7%
53.85%131.476613,79442.9%66.7%
61.54%135.094113,45340.0%75.0%
30.77%131.280615,14650.0%22.2%
58.33%125.984812,77666.7%50.0%
83.33%123.483314,33680.0%85.7%
25.00%121.171513,29060.0%0.0%
75.00%125.71,02113,15662.5%100.0%
54.55%111.462113,23871.4%25.0%
27.27%114.588513,0200.0%37.5%
54.55%112.474112,12550.0%60.0%
60.00%105.477912,31866.7%50.0%
80.00%101.066612,11575.0%100.0%
30.00%101.877713,14340.0%20.0%
55.56%92.877313,01666.7%50.0%
44.44%91.466914,420100.0%28.6%
55.56%92.284815,87966.7%50.0%
77.78%95.884114,163100.0%60.0%
44.44%94.074711,87350.0%42.9%
50.00%87.01,06813,71466.7%40.0%
37.50%86.182914,03550.0%25.0%
50.00%81.982312,56550.0%50.0%
37.50%85.676711,23033.3%40.0%
25.00%81.468810,2520.0%66.7%
62.50%83.590612,45960.0%66.7%
42.86%75.477712,18150.0%33.3%
71.43%71.066114,1490.0%83.3%
57.14%76.098315,935100.0%40.0%
57.14%71.477214,60850.0%60.0%
28.57%74.483811,07833.3%25.0%
33.33%62.368912,31450.0%25.0%
33.33%66.077012,7060.0%100.0%
66.67%65.579912,85450.0%75.0%
33.33%63.972214,725100.0%20.0%
50.00%63.68709,57460.0%0.0%
50.00%65.562612,75333.3%66.7%
66.67%61.478916,379100.0%50.0%
40.00%56.288013,7280.0%66.7%
40.00%55.98528,49840.0%0.0%
60.00%54.975311,13333.3%100.0%
60.00%55.683312,5550.0%60.0%
60.00%54.58479,40066.7%50.0%

Get the MetaBot Desktop App

Level up your gameplay with real-time overlays, automatic game detection, and instant stats — all on your desktop.

In-game overlaysAuto game detectionMulti-game supportPersonal dashboard
Download NowFree download
🔍

Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.

Report an Issue

Fizz vs Karthus - Frequently Asked Questions

How does Fizz do against Karthus in League of Legends?

Karthus wins the Fizz vs Karthus matchup with a 66.7% win rate compared to Fizz's 33.3%, a 33.3 percentage point difference. This data is based on 6 recent ranked games in patch 26.7.

How does Fizz do against Karthus in the early game?

In the early game, Fizz has the advantage against Karthus with a 100.0% win rate versus 0.0%. Fizz players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Fizz do against Karthus in the late game?

In the late game, Karthus takes over the Fizz vs Karthus matchup with a 80.0% win rate compared to 20.0%. Karthus scales better into team fights and objective contests after 25 minutes.

Who wins the Fizz vs Karthus matchup?

Karthus wins the matchup against Fizz with a 66.7% win rate in League of Legends patch 26.7. The 33.3 percentage point advantage means Karthus is significantly favored in this lane matchup based on 6 games analyzed.

What is the best Fizz build against Karthus?

The best Fizz build against Karthus includes Luden's Echo, Zhonya's Hourglass, Lich Bane with Spellslinger's Shoes. Check the matchup breakdown above for the full item path and build order.

What are the best Fizz runes against Karthus?

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

Does Fizz counter Karthus?

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

How do I play Fizz against Karthus?

When playing Fizz against Karthus, play cautiously and avoid Karthus's power spikes. Look for jungle assistance and team-dependent plays since Karthus has the statistical advantage at most stages. Use the matchup-specific build and runes above to optimize your chances.