Cassiopeia - League of Legends Champion
Win Rate
44.1%
Pick Rate
0.8%

Cassiopeiavs Senna

FMage
Patch26.12
Matches328,930
LaneAll Lanes
TierAll Tiers
Last UpdatedJun 24, 2026
MethodologyData Methodology

Cassiopeia vs Senna is a decisive matchup in LoL patch 26.12. Cassiopeia wins with a 66.7% win rate (+33.3%) over Senna based on 6 games. Cassiopeia holds the advantage in both the early and late game. Below you'll find the best Cassiopeia build, runes, laning stats, and strategies for the Cassiopeia vs Senna matchup.

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Cassiopeia Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Cassiopeia 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
Cassiopeia - 66.7% win rate in this matchup
Cassiopeia
66.7% WR
VS
Senna vs Cassiopeia matchup - 33.3% win rate
Senna
33.3% WR

Who Wins the Cassiopeia vs Senna Matchup?

Cassiopeia wins the Cassiopeia vs Senna matchup
Winner
Cassiopeia
Matches: 6
66.7%
Win Rate
33.3%
5.4
CS / min
4.0
939
DMG / min
859
12,791
Gold / game
12,907
298
Heal / min
470
619
DMG Mitigated / min
444
1.6
CC / min
1.5
100.0%
Early Game WR
0.0%
50.0%
Late Game WR
50.0%

Cassiopeia vs Senna Matchup Summary

The Cassiopeia vs Senna matchup is a decisive matchup in League of Legends ranked play. Based on 6 recent matches analyzed, Cassiopeia wins with a 66.7% win rate compared to Senna's 33.3%, giving Cassiopeia a 33.3 percentage point advantage. Cassiopeia 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 CS, where Cassiopeia leads by 1.4 CS/min — a difference that heavily influences the outcome of trades and skirmishes. Cassiopeia players can confidently pick into Senna and play aggressively from level 1. Look to establish lane dominance early through favorable trades and zone Senna away from CS whenever possible. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Cassiopeia vs Senna Laning Phase Breakdown

Cassiopeia wins the laning phase against Senna in League of Legends

Cassiopeia is favored during the laning phase against Senna, winning 4 out of 5 key stat categories. Cassiopeia holds advantages in farming, damage, crowd control and sustain, making them the stronger laner in this matchup.

Farming
5.4Cassiopeia
4.0Senna
Cassiopeia significantly out-farms Senna by 1.4 CS per minute, accumulating an estimated 21 CS lead by mid game. This substantial farming gap gives Cassiopeia a major gold advantage and earlier item completions. Senna players should prioritize wave management techniques like freezing near tower and using abilities efficiently to minimize the deficit.
Damage
939Cassiopeia
859Senna
Cassiopeia deals 80 more champion damage per minute than Senna. While noticeable in extended trades, this gap can be offset by Senna choosing favorable fight windows, such as engaging when Cassiopeia's key abilities are on cooldown or trading immediately after dodging a skillshot.
Economy
12,791Cassiopeia
12,907Senna
Cassiopeia and Senna generate nearly equal gold per game, with just a 116 gold difference. Neither champion has a clear economic advantage, so gold leads will depend on individual play quality, kill participation, and objective contributions.
Utility
1.6Cassiopeia
1.5Senna
Both Cassiopeia and Senna 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
917Cassiopeia
914Senna
Cassiopeia and Senna have comparable sustain profiles, with only 3 HP/min separating their healing and damage mitigation. Neither champion can out-attrition the other in lane, so trades will be decided by burst potential and ability usage rather than sustain.

Best Cassiopeia Build Against Senna

Swiftmarch is the optimal boots choice against Senna, providing the mobility and stats Cassiopeia needs most in this matchup. The top-performing core items for Cassiopeia against Senna are Rod of Ages, Liandry's Torment and Rylai's Crystal Scepter. This combination gives Cassiopeia 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 Cassiopeia vs Senna matchup.

Early Game vs Late Game

Early Game
Cassiopeia
100.0%
+100.0% advantage
Cassiopeia early game win rateCassiopeia100.0%
Senna early game win rateSenna0.0%
Late Game
Cassiopeia
50.0%
+0.0% advantage
Cassiopeia late game win rateCassiopeia50.0%
Senna late game win rateSenna50.0%

Cassiopeia dominates the early game (first 15 minutes) with a commanding 100.0% win rate — a 100.0 percentage point lead over Senna. This lopsided early game means Cassiopeia 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 Cassiopeia at 50.0% win rate — only 0.0 points ahead of Senna. Team fight execution and macro play determine the winner at this stage, not champion matchup advantage.

Cassiopeia 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 Cassiopeia Runes Against Senna

Precision rune tree - Cassiopeia primary runes vs SennaPrecision
Conqueror - best Cassiopeia rune vs SennaPresence of Mind - best Cassiopeia rune vs SennaLegend: Haste - best Cassiopeia rune vs SennaLast Stand - best Cassiopeia rune vs Senna
Sorcery rune tree - Cassiopeia secondary runes vs SennaSorcery
Axiom Arcanist - best Cassiopeia rune vs SennaCelerity - best Cassiopeia rune vs Senna
100.0% WR

Running Precision primary with Sorcery secondary allows Cassiopeia to press their advantage against Senna, amplifying the strengths that make this a favorable matchup.


Cassiopeia matchup data for League of Legends patch 26.12. The table below shows Cassiopeia'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 Cassiopeia build, runes, laning stats, and early vs late game analysis for that specific matchup.

Cassiopeia matchup win rates and stats in League of Legends patch 26.12
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
40.00%206.779211,88355.6%27.3%
50.00%206.592911,64333.3%63.6%
41.18%176.71,01511,12344.4%37.5%
46.67%156.495910,24355.6%33.3%
42.86%146.37109,48744.4%40.0%
30.77%135.592210,24928.6%33.3%
15.38%136.076110,62814.3%16.7%
61.54%136.477510,94160.0%62.5%
41.67%126.91,03710,86050.0%33.3%
33.33%126.787711,06150.0%16.7%
83.33%126.51,05013,02380.0%85.7%
50.00%126.591811,35850.0%50.0%
54.55%116.489211,92560.0%50.0%
54.55%116.669210,30260.0%50.0%
60.00%107.177811,52966.7%50.0%
50.00%106.097712,94433.3%57.1%
40.00%106.299611,76433.3%50.0%
66.67%96.880612,32666.7%66.7%
66.67%96.480812,945100.0%50.0%
55.56%97.579713,01150.0%57.1%
25.00%86.872511,7560.0%40.0%
25.00%87.480712,0730.0%40.0%
37.50%86.478210,86450.0%25.0%
37.50%86.87649,12840.0%33.3%
50.00%86.577410,20350.0%50.0%
62.50%85.378712,00350.0%66.7%
42.86%76.61,02311,4340.0%60.0%
85.71%77.588312,35466.7%100.0%
57.14%76.194114,43050.0%60.0%
14.29%76.462310,02425.0%0.0%
57.14%76.41,00911,58475.0%33.3%
16.67%68.46259,62020.0%0.0%
16.67%66.099714,2990.0%20.0%
33.33%64.697113,24350.0%25.0%
83.33%66.677310,31666.7%100.0%
66.67%65.493912,791100.0%50.0%
50.00%66.974111,02650.0%50.0%
66.67%67.584110,32660.0%100.0%
60.00%56.888612,417100.0%33.3%
80.00%56.65988,87866.7%100.0%
60.00%58.31,05213,68666.7%50.0%
40.00%56.77057,85466.7%0.0%
20.00%56.76127,96320.0%0.0%
60.00%56.872211,03066.7%50.0%
80.00%57.087412,70850.0%100.0%
33.33%36.31,21913,4650.0%50.0%

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Cassiopeia vs Senna - Frequently Asked Questions

How does Cassiopeia do against Senna in League of Legends?

Cassiopeia wins the Cassiopeia vs Senna matchup with a 66.7% win rate compared to Senna's 33.3%, a 33.3 percentage point difference. This data is based on 6 recent ranked games in patch 26.12.

How does Cassiopeia do against Senna in the early game?

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

How does Cassiopeia do against Senna in the late game?

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

Who wins the Cassiopeia vs Senna matchup?

Cassiopeia wins the matchup against Senna with a 66.7% win rate in League of Legends patch 26.12. The 33.3 percentage point advantage means Cassiopeia is significantly favored in this lane matchup based on 6 games analyzed.

What is the best Cassiopeia build against Senna?

The best Cassiopeia build against Senna includes Rod of Ages, Liandry's Torment, Rylai's Crystal Scepter with Swiftmarch. Check the matchup breakdown above for the full item path and build order.

What are the best Cassiopeia runes against Senna?

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

Does Cassiopeia counter Senna?

Yes, Cassiopeia has a favorable matchup against Senna with a 66.7% win rate. Cassiopeia strongly counters Senna in lane based on current patch 26.12 data.

How do I play Cassiopeia against Senna?

When playing Cassiopeia against Senna, 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.