By rank
Karthus win rate against Kai'Sa in each rank.
| Rank | Win Rate | Kai'Sa wins50 %Karthus wins | Games |
|---|---|---|---|
 Iron | too few games | 4 | |
 Bronze | too few games | 1 | |
 Silver | too few games | — | |
 Gold | too few games | 1 | |
 Platinum | too few games | 7 | |
 Emerald | too few games | 9 | |
 Diamond | 68.8 % | 32 | |
 Master | too few games | 25 | |
 Grandmaster | too few games | 13 | |
 Challenger | too few games | 9 |
Patch 26.19: 26 games, too few for a win rate Games from patch 26.15 to 26.19
Karthus's other Bot matchups
Opponents with at least 100 games.
| Champion | Win Rate | 50 % | Games |
|---|---|---|---|
 Kai'Sa | 55.4 % | 101 | |
 Jhin | 53.2 % | 109 |
From ranked games ggez.gg collected through the Riot API.