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

Karthusvs Aatrox

DMage
Patch26.7
Matches949,984
LaneAll Lanes
TierAll Tiers
Last UpdatedApr 22, 2026
MethodologyData Methodology

Karthus vs Aatrox is a decisive matchup in LoL patch 26.7. Karthus wins with a 57.1% win rate (+14.3%) over Aatrox based on 7 games. Karthus wins the early laning phase while Aatrox scales better into the late game. Below you'll find the best Karthus build, runes, laning stats, and strategies for the Karthus vs Aatrox 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
Aatrox - 57.1% win rateAatrox(57.1%)
Karthus - 57.1% win rate in this matchup
Karthus
57.1% WR
VS
Aatrox vs Karthus matchup - 42.9% win rate
Aatrox
42.9% WR

Who Wins the Karthus vs Aatrox Matchup?

Karthus wins the Karthus vs Aatrox matchup
Winner
Karthus
Matches: 7
57.1%
Win Rate
42.9%
2.8
CS / min
2.7
1,235
DMG / min
785
15,411
Gold / game
14,663
296
Heal / min
719
560
DMG Mitigated / min
1,144
0.6
CC / min
0.7
100.0%
Early Game WR
0.0%
40.0%
Late Game WR
60.0%

Karthus vs Aatrox Matchup Summary

The Karthus vs Aatrox matchup is a decisive matchup in League of Legends ranked play. Based on 7 recent matches analyzed, Karthus wins with a 57.1% win rate compared to Aatrox's 42.9%, giving Karthus a 14.3 percentage point advantage. Game phase dynamics play a critical role here: Karthus controls the early laning stage, but Aatrox outscales as the game goes longer. The matchup shifts dramatically depending on game length — Karthus needs to press advantages before Aatrox reaches their power spikes, while Aatrox should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in sustain, where Aatrox leads by 1,007 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Karthus players can confidently pick into Aatrox and play aggressively from level 1. Look to establish lane dominance early through favorable trades and zone Aatrox away from CS whenever possible. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Karthus vs Aatrox Laning Phase Breakdown

Karthus wins the laning phase against Aatrox in League of Legends

Karthus is favored during the laning phase against Aatrox, 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
2.8Karthus
2.7Aatrox
Karthus and Aatrox 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
1,235Karthus
785Aatrox
Karthus heavily out-damages Aatrox by 451 DMG/min, dominating both short trades and all-in fights. Aatrox 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
15,411Karthus
14,663Aatrox
Karthus earns 748 more gold per game than Aatrox, equivalent to roughly one additional component item. This economic edge comes from a combination of better farming, kill participation, and objective control, giving Karthus slightly faster item completions.
Utility
0.6Karthus
0.7Aatrox
Both Karthus and Aatrox provide similar amounts of crowd control (0.1s/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
856Karthus
1,863Aatrox
Aatrox vastly out-sustains Karthus, healing and mitigating 1,007 more damage per minute. This massive durability gap means Aatrox 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 Aatrox

Sorcerer's Shoes is the optimal boots choice against Aatrox, providing the mobility and stats Karthus needs most in this matchup. The top-performing core items for Karthus against Aatrox are Shadowflame, Morellonomicon and Void Staff. This combination gives Karthus an effective balance of damage, survivability, and utility for the matchup. This build performs exceptionally well, achieving a 100.0% win rate across 1 games — well above average and making it the top item path against Aatrox. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Karthus vs Aatrox matchup.

Early Game vs Late Game

Early Game
Karthus
100.0%
+100.0% advantage
Karthus early game win rateKarthus100.0%
Aatrox early game win rateAatrox0.0%
Late Game
Aatrox
60.0%
+20.0% advantage
Karthus late game win rateKarthus40.0%
Aatrox late game win rateAatrox60.0%

Karthus dominates the early game (first 15 minutes) with a commanding 100.0% win rate — a 100.0 percentage point lead over Aatrox. This lopsided early game means Karthus can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Aatrox is far superior in the late game (25+ minutes), boasting a 60.0% win rate — 20.0 points above Karthus. Extended games heavily favor Aatrox, whose kit and scaling make them a dominant force in team fights and objective control.

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

Domination rune tree - Karthus primary runes vs AatroxDomination
Dark Harvest - best Karthus rune vs AatroxCheap Shot - best Karthus rune vs AatroxSixth Sense - best Karthus rune vs AatroxUltimate Hunter - best Karthus rune vs Aatrox
Precision rune tree - Karthus secondary runes vs AatroxPrecision
Triumph - best Karthus rune vs AatroxLast Stand - best Karthus rune vs Aatrox
100.0% WR

Running Domination primary with Precision secondary allows Karthus to press their advantage against Aatrox, amplifying the strengths that make this a favorable matchup.


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 Aatrox - Frequently Asked Questions

How does Karthus do against Aatrox in League of Legends?

Karthus wins the Karthus vs Aatrox matchup with a 57.1% win rate compared to Aatrox's 42.9%, a 14.3 percentage point difference. This data is based on 7 recent ranked games in patch 26.7.

How does Karthus do against Aatrox in the early game?

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

How does Karthus do against Aatrox in the late game?

In the late game, Aatrox takes over the Karthus vs Aatrox matchup with a 60.0% win rate compared to 40.0%. Aatrox scales better into team fights and objective contests after 25 minutes.

Who wins the Karthus vs Aatrox matchup?

Karthus wins the matchup against Aatrox with a 57.1% win rate in League of Legends patch 26.7. The 14.3 percentage point advantage means Karthus is significantly favored in this lane matchup based on 7 games analyzed.

What is the best Karthus build against Aatrox?

The best Karthus build against Aatrox includes Shadowflame, Morellonomicon, Void Staff with Sorcerer's Shoes. This build achieves a 100.0% 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 Aatrox?

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

Does Karthus counter Aatrox?

Yes, Karthus has a favorable matchup against Aatrox with a 57.1% win rate. Karthus strongly counters Aatrox in lane based on current patch 26.7 data.

How do I play Karthus against Aatrox?

When playing Karthus against Aatrox, 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.