Patch 26.9 Data
Champion Matchups
Pick two champions and see who wins. Win rates, counters, and tips powered by live ranked data.
Champion 1
Caitlyn
VS
Champion 2
Karthus
vs

46.6%
Caitlyn win rate vs Karthus
Karthus has the edge
483
Games Analyzed
46.6%
Caitlyn WR
53.4%
Karthus WR
-273
Avg Gold Diff @15
Caitlyn
DamageAD
StylePoke
RangeRanged
Difficulty**---
StrongEarly game
RunesFleet Footwork / Inspiration
SummsFlash + Heal
Karthus
DamageAP
StyleSustained
RangeRanged
Difficulty**---
StrongLate game
RunesDark Harvest / Inspiration
SummsFlash + Smite
Power Spike Timeline
Caitlyn
Level 1
Karthus
Level 6
Caitlyn
1 item
Karthus
1 item
Caitlyn
3 items
Karthus
3 items
How to Play This Matchup
Early Aggression
Caitlyn needs to punish Karthus before they scale. Zone them off CS levels 1-5 and look for solo kills before first back. If Karthus reaches 2 items even, you're in trouble.
Mixed Resistances
Caitlyn deals AD damage while Karthus deals AP. Build resistances accordingly  don't stack the wrong type.
Exploit Caitlyn's Weakness
Caitlyn's main weakness: Mid-game dip, assassins, short-range all-in. Play around this to maximize your advantage.
Caitlyn Win Condition
Bully lane with range, trap control, headshot poke
Karthus Win Condition
R global damage, passive keeps dealing damage after death
Recommended Items
Caitlyn

Infinity Edge
Core
Build every game

Rapid Firecannon
Core
Build every game

Lord Dominik's
Core
Build every game

Mercury's Treads
Defensive
MR + tenacity vs Karthus's AP damage and CC

Hexdrinker
Counter
Magic damage shield vs Karthus's burst
Karthus

Liandry's Anguish
Core
Build every game

Shadowflame
Core
Build every game

Rabadon's
Core
Build every game

Plated Steelcaps
Defensive
Armor boots vs Caitlyn's AD damage

Bramble Vest
Counter
Grievous wounds + armor vs Caitlyn's sustain/autos
Caitlyn's Worst Matchups
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