KarthusSupport counters

Off-meta Support

Jungle64%Bot21%Mid8%Top4%Support3%
Win
45.7%
▼4.3 vs Support
LP a game
+1.00
±1.09
Games
1,492
a win +22.4 · a loss −17.4
Pick · Ban
0.06 · 0.45%
as Support · any role

How we measure

Champions against Karthus

Counters02+ pts over expected

Even1

Countered02+ pts under expected

Highest estimate first · the opponent's estimated win rate

Lux: Even lane, Lux 56.7% over 120 games.

Even lanemet in 8.0% of games

Lux

23rd of 41 Support · 49.7% in Support · 120 games

Lux win rate

56.7%

120 games · 47.7%–65.2%

▲ 4.0 pts over expectedThe range holds expected

Estimate 53.8%: the win rate pulled toward expected, more so the fewer games there are (120 here).

Lane at 15

Lux minus Karthus · 115 games
Gold+271
CS−1.8
XP+240

Dotted: Karthus's opponents on average (+271 gold).

Karthus LP a game

−0.2est.

From the win rate: +22.4 a win, −17.4 a loss.

Too few games to show what is played against Karthus: 300 are needed, this pair has 120.

Every opponent as a table29 with 20+ games
Support Karthus against each lane opponent with 20 games or more
Opponent
Leona7259.7%48%–70%56.2%+4.4−414−9.8−107
Braum2763.0%44%–78%56.0%+7.6−398−11.6−108
Milio3167.7%50%–81%55.8%+13.3−715−9.4−251
Janna2867.9%49%–82%55.7%+13.3−516−13.4−278
Zyra2766.7%48%–81%55.2%+12.5−330−4.2−57
Soraka3661.1%45%–75%55.2%+6.6−601−14.7−224
Sona2466.7%47%–82%55.2%+12.5−191−9.0+79
Senna3966.7%51%–79%55.1%+13.1+392−5.8+247
Nami4957.1%43%–70%54.8%+2.7−654−9.8−148
Rell2458.3%39%–76%54.7%+4.0−673−6.1−257
Thresh6753.7%42%–65%54.1%−0.4−485−9.8−156
Lux12056.7%48%–65%53.8%+4.0+271−1.8+240
Seraphine8354.2%44%–65%53.8%+0.6−199−10.1−150
Alistar2445.8%28%–65%53.5%−8.3−699−10.8−429
Vel'Koz2352.2%33%–71%53.4%−1.3+62−10.5+36
Rakan2050.0%30%–70%53.4%−3.6−920−15.4−659
Lulu4151.2%36%–66%53.2%−2.3−698−13.2−199
Pyke5459.3%46%–71%52.6%+7.8+103−8.0+33
Tahm Kench3354.6%38%–70%52.3%+2.5+151−5.3+173
Nautilus7150.7%39%–62%52.3%−2.0−649−10.4−379

Questions

Who counters Karthus in Support?

No opponent clearly beats Karthus in Support yet. Lux has the highest win rate: 56.7% over 120 games (95% range 47.7–65.2%). all servers Ranked, all ranks, patch 26.19.

What does Karthus beat in Support?

No opponent is clearly beaten yet. Karthus wins 43.3% of 120 games against Lux, its highest. all servers Ranked, all ranks, patch 26.19.

What is Karthus's win rate in Support?

45.7% over 1,492 games (95% range 43.2–48.3%). all servers Ranked, all ranks, patch 26.19.

Which matchups are even for Karthus in Support?

1 of 1 opponents with 100+ games, such as Lux: their win rate range includes 50%, so neither side has a clear edge.

How many games is this based on?

1,492 Karthus games in Support, against 1 opponents with 100+ games each. all servers Ranked, all ranks, patch 26.19, 23 Sep – 7 Oct 2026.