Senna - League of Legends Champion
Win Rate
51.7%
Pick Rate
6.7%

Sennavs Karthus

SSupportMarksman
Patch26.11
Matches776,441
LaneAll Lanes
TierAll Tiers
Last UpdatedJun 6, 2026
MethodologyData Methodology

Senna vs Karthus is a decisive matchup in LoL patch 26.11. Karthus wins with a 76.5% win rate (+52.9%) over Senna based on 17 games. Karthus holds the advantage in both the early and late game. Below you'll find the best Senna build, runes, laning stats, and strategies for the Senna vs Karthus matchup.

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Senna Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Senna 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
Senna - 23.5% win rate in this matchup
Senna
23.5% WR
VS
Karthus vs Senna matchup - 76.5% win rate
Karthus
76.5% WR

Who Wins the Senna vs Karthus Matchup?

Karthus wins the Senna vs Karthus matchup
Winner
Karthus
Matches: 17
23.5%
Win Rate
76.5%
6.2
CS / min
6.5
884
DMG / min
1,263
14,683
Gold / game
15,482
458
Heal / min
80
424
DMG Mitigated / min
382
1.3
CC / min
0.7
20.0%
Early Game WR
80.0%
25.0%
Late Game WR
75.0%

Senna vs Karthus Matchup Summary

The Senna vs Karthus matchup is a decisive matchup in League of Legends ranked play. Based on 17 recent matches analyzed, Karthus wins with a 76.5% win rate compared to Senna's 23.5%, giving Karthus a 52.9 percentage point advantage. Karthus dominates at every stage — from early laning through late game team fights. This consistent advantage makes it difficult for Senna players to find favorable windows, so team-dependent strategies and avoiding solo confrontations are essential. The most significant statistical gap is in crowd control, where Senna leads by 0.7s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Karthus has a strong advantage in this matchup. Senna 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.

Senna vs Karthus Laning Phase Breakdown

Karthus wins the laning phase against Senna in League of Legends

Karthus is favored during the laning phase against Senna, 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
6.2Senna
6.5Karthus
Karthus edges out Senna by 0.4 CS per minute — a moderate farming advantage that adds up to roughly 5 CS over a 15-minute laning phase. This translates to earlier component purchases and slightly faster power spikes for Karthus.
Damage
884Senna
1,263Karthus
Karthus heavily out-damages Senna by 379 DMG/min, dominating both short trades and all-in fights. Senna 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
14,683Senna
15,482Karthus
Karthus earns 799 more gold per game than Senna, 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
1.3Senna
0.7Karthus
Senna provides 0.7 seconds more crowd control per minute than Karthus, offering better gank setup potential and slightly more team fight utility. This CC advantage helps Senna coordinate with their jungler and control the pace of skirmishes.
Sustain
882Senna
462Karthus
Senna vastly out-sustains Karthus, healing and mitigating 420 more damage per minute. This massive durability gap means Senna 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 Senna Build Against Karthus

Swiftmarch is the optimal boots choice against Karthus, providing the mobility and stats Senna needs most in this matchup. The top-performing core items for Senna against Karthus are Voltaic Cyclosword, Edge of Night and Stormrazor. This combination gives Senna 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 Karthus. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Senna vs Karthus matchup.

Early Game vs Late Game

Early Game
Karthus
80.0%
+60.0% advantage
Senna early game win rateSenna20.0%
Karthus early game win rateKarthus80.0%
Late Game
Karthus
75.0%
+50.0% advantage
Senna late game win rateSenna25.0%
Karthus late game win rateKarthus75.0%

Karthus dominates the early game (first 15 minutes) with a commanding 80.0% win rate — a 60.0 percentage point lead over Senna. This lopsided early game means Karthus 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 75.0% win rate — 50.0 points above Senna. Extended games heavily favor Karthus, whose kit and scaling make them a dominant force in team fights and objective control.

Karthus holds the advantage at every stage of the game, making this a consistently favorable matchup from lane through late game team fights. Senna players should look for outplays, team-dependent strategies, and picks rather than relying on scaling to win this matchup.

Best Senna Runes Against Karthus

Domination rune tree - Senna primary runes vs KarthusDomination
Dark Harvest - best Senna rune vs KarthusCheap Shot - best Senna rune vs KarthusSixth Sense - best Senna rune vs KarthusUltimate Hunter - best Senna rune vs Karthus
Sorcery rune tree - Senna secondary runes vs KarthusSorcery
Axiom Arcanist - best Senna rune vs KarthusGathering Storm - best Senna rune vs Karthus
100.0% WR

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


Senna matchup data for League of Legends patch 26.11. The table below shows Senna'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 Senna build, runes, laning stats, and early vs late game analysis for that specific matchup.

Senna matchup win rates and stats in League of Legends patch 26.11
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
49.79%4781.960010,12548.4%51.0%
52.43%3916.179712,53348.4%56.2%
46.98%3642.054810,60839.5%52.4%
48.42%3491.662910,54949.0%48.0%
48.37%3375.575412,57847.1%49.5%
57.41%3241.663110,72759.7%55.4%
56.72%3056.291713,61461.5%53.5%
47.47%2971.662710,06144.8%50.0%
43.99%2911.665510,02748.1%40.4%
48.42%2856.081512,84951.2%46.3%
54.78%2726.079212,82650.4%57.9%
51.22%2461.666910,98850.0%52.0%
50.21%2372.863011,28545.3%53.5%
59.31%2315.881312,72658.2%60.3%
54.78%2305.676612,74653.3%56.1%
47.74%1991.669610,23542.2%52.3%
44.92%1871.55659,75657.0%36.1%
54.29%1751.663010,66554.0%54.5%
47.13%1571.662510,80255.9%41.8%
47.30%1481.65929,98050.0%44.3%
50.34%1451.55679,57948.6%52.0%
56.64%1431.783210,66665.2%49.4%
60.84%1436.180113,09759.7%61.8%
52.11%1422.158810,86046.1%55.6%
57.55%1391.558910,21856.9%58.1%
59.42%1381.566510,31160.9%58.1%
43.70%1351.858010,86638.1%46.2%
54.40%1251.46479,76056.7%52.3%
59.35%1231.566610,24255.0%63.5%
55.37%1212.379511,32252.8%57.4%
53.33%1201.869710,47044.9%59.1%
38.98%1182.558210,15332.1%44.6%
57.39%1156.085912,79566.0%50.8%
56.25%1122.765611,46458.3%54.7%
49.53%1075.573211,86550.0%49.1%
56.60%1061.561410,59463.6%51.6%
50.48%1055.976412,78847.7%52.5%
47.96%981.564610,27358.8%36.2%
49.48%971.673710,10051.9%46.5%
52.63%955.982212,59348.9%56.0%
43.68%871.562810,13445.5%41.9%
60.92%875.882512,77061.0%60.9%
47.62%845.887913,30047.2%47.9%
50.00%766.176712,54553.9%46.0%
56.34%711.664310,67355.6%56.8%
53.62%696.186213,25554.8%52.6%
55.22%671.771310,55956.3%54.3%
41.27%631.658210,00632.4%51.7%
40.98%615.979512,54952.0%33.3%
56.14%576.276913,36750.0%60.0%
39.29%566.484312,19240.6%37.5%
53.70%541.571010,49847.6%57.6%
42.31%522.556210,81438.9%44.1%
36.17%474.569212,29931.6%39.3%
57.78%451.75939,92565.2%50.0%
68.18%441.773011,13881.3%60.7%
54.55%446.091013,57950.0%57.1%
50.00%445.676812,22952.6%48.0%
55.81%431.871310,57870.6%46.1%
48.65%375.469212,02433.3%59.1%
52.78%362.071510,73861.1%44.4%
37.14%352.15849,96329.4%44.4%
54.55%333.970812,05214.3%65.4%
48.28%296.195313,54861.5%37.5%
67.86%285.477412,98083.3%56.3%
37.04%271.85929,93950.0%23.1%
56.00%252.364211,17140.0%66.7%
52.17%236.286012,42638.5%70.0%
52.38%216.190314,07744.4%58.3%
61.90%211.95968,42871.4%42.9%
40.00%201.566410,93657.1%30.8%
52.63%192.166110,75344.4%60.0%
52.94%172.883712,69557.1%50.0%
23.53%176.288414,68320.0%25.0%
35.29%175.070612,60114.3%50.0%
43.75%162.365011,94133.3%50.0%
53.33%152.14989,50237.5%71.4%
57.14%142.877211,70271.4%42.9%
42.86%141.75598,86612.5%83.3%
42.86%145.986914,09975.0%30.0%
63.64%116.888712,05550.0%100.0%
45.45%113.772011,78820.0%66.7%
72.73%114.262112,093100.0%62.5%
50.00%103.084610,73050.0%50.0%
60.00%101.86159,07050.0%66.7%
50.00%103.794911,81460.0%40.0%
60.00%102.080412,39150.0%62.5%
50.00%101.76249,60125.0%66.7%
30.00%101.963411,3180.0%42.9%
40.00%105.774810,96740.0%40.0%
50.00%101.657110,36233.3%57.1%
70.00%103.066612,29650.0%83.3%
60.00%105.683813,4100.0%66.7%
66.67%95.956111,32766.7%66.7%
33.33%94.384213,14625.0%40.0%
100.00%92.877610,063100.0%100.0%
44.44%91.86659,94975.0%20.0%
25.00%84.56159,76033.3%20.0%
62.50%82.977911,74950.0%75.0%
25.00%83.55048,14150.0%0.0%
14.29%71.56258,8820.0%33.3%
42.86%74.864610,22233.3%50.0%
42.86%74.91,19511,30533.3%50.0%
28.57%73.958311,6790.0%50.0%
33.33%63.75588,16925.0%50.0%
33.33%61.867512,09650.0%25.0%
83.33%62.847011,681100.0%75.0%
33.33%63.862712,5550.0%40.0%
50.00%64.377213,79866.7%33.3%
33.33%61.956810,50450.0%25.0%
40.00%53.17859,31033.3%50.0%
80.00%51.48609,54666.7%100.0%
60.00%53.275111,74766.7%50.0%
20.00%54.85999,3190.0%50.0%
40.00%54.970312,9070.0%40.0%
40.00%52.18638,0880.0%66.7%
60.00%53.847512,861100.0%0.0%
20.00%55.61,02111,3140.0%50.0%
20.00%54.96469,34225.0%0.0%
80.00%55.389713,097100.0%66.7%
80.00%55.486011,002100.0%50.0%
80.00%53.05319,58866.7%100.0%
60.00%54.758111,34450.0%66.7%

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Senna vs Karthus - Frequently Asked Questions

How does Senna do against Karthus in League of Legends?

Karthus wins the Senna vs Karthus matchup with a 76.5% win rate compared to Senna's 23.5%, a 52.9 percentage point difference. This data is based on 17 recent ranked games in patch 26.11.

How does Senna do against Karthus in the early game?

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

How does Senna do against Karthus in the late game?

In the late game, Karthus takes over the Senna vs Karthus matchup with a 75.0% win rate compared to 25.0%. Karthus scales better into team fights and objective contests after 25 minutes.

Who wins the Senna vs Karthus matchup?

Karthus wins the matchup against Senna with a 76.5% win rate in League of Legends patch 26.11. The 52.9 percentage point advantage means Karthus is significantly favored in this lane matchup based on 17 games analyzed.

What is the best Senna build against Karthus?

The best Senna build against Karthus includes Voltaic Cyclosword, Edge of Night, Stormrazor with Swiftmarch. 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 Senna runes against Karthus?

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

Does Senna counter Karthus?

No, Senna struggles against Karthus with only a 23.5% win rate. Karthus has the advantage in this matchup. Senna players should focus on safe farming and avoiding extended trades to minimize Karthus's lead.

How do I play Senna against Karthus?

When playing Senna 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.