Lane lead
Karthus against Janna at 10 and 15 minutes, average of 118 ranked games (Solo/Duo, last 30 days). Plus = Karthus is ahead.
| at 10 min | at 15 min | |
|---|---|---|
| Gold | +163Karthus against everyone: +104 | +416Karthus against everyone: +284 |
| CS | +5.0Karthus against everyone: +2.6 | +12.3Karthus against everyone: +6.9 |
| Experience | +99Karthus against everyone: +36 | +181Karthus against everyone: +111 |
By rank
Karthus win rate against Janna in each rank.
| Rank | Win Rate | Janna wins50 %Karthus wins | Games |
|---|---|---|---|
 Iron | too few games | 8 | |
 Bronze | too few games | 13 | |
 Silver | too few games | 14 | |
 Gold | too few games | 20 | |
 Platinum | too few games | 35 | |
 Emerald | too few games | 15 | |
 Diamond | too few games | 15 | |
 Master | too few games | 10 | |
 Grandmaster | too few games | 1 | |
 Challenger | too few games | 2 |
Rows count games as played (133 in all). The win rate in the head weights each rank by its share of all ranked players, so it is not the plain average of these rows. Patch 26.22: 35 games, too few for a win rate
Karthus's other Support matchups
Opponents with at least 100 games. Games from patch 26.19 to 26.22.
| Champion | 50 % | Games | ||
|---|---|---|---|---|
 Neeko | 58.1 % | +10.4 | 152 | |
 Ashe | 53.6 % | +3.5 | 106 | |
 Pantheon | 51.0 % | +2.7 | 254 | |
 Vel'Koz | 50.5 % | +5.2 | 167 | |
 Blitzcrank | 50.1 % | +4.5 | 364 | |
 Zyra | 50.1 % | +5.1 | 186 | |
 Sona | 49.9 % | +4.7 | 132 | |
 Karma | 49.8 % | +2.0 | 259 | |
 Rell | 49.0 % | +4.0 | 145 | |
 Swain | 48.2 % | +1.4 | 253 | |
 Thresh | 48.1 % | +2.3 | 567 | |
 Morgana | 48.1 % | +2.3 | 414 | |
 Nautilus | 47.0 % | −0.1 | 535 | |
 Xerath | 46.8 % | +0.8 | 188 | |
 Tahm Kench | 46.5 % | −0.3 | 204 | |
 Lux | 46.4 % | ±0.0 | 782 | |
 Leona | 45.5 % | +0.9 | 470 | |
 Braum | 45.5 % | +0.5 | 165 | |
 Seraphine | 45.4 % | −0.2 | 579 | |
 Pyke | 44.9 % | −3.1 | 310 | |
 Senna | 44.5 % | −1.6 | 316 | |
 Maokai | 44.3 % | −1.4 | 102 | |
 Alistar | 43.9 % | −1.9 | 205 | |
 Milio | 43.3 % | −2.0 | 182 | |
 Malphite | 42.8 % | −5.9 | 102 | |
 Yuumi | 42.7 % | −6.0 | 260 | |
 Lulu | 42.3 % | −4.8 | 393 | |
 Brand | 42.3 % | −3.6 | 252 | |
 Zilean | 41.9 % | −3.4 | 118 | |
 Nami | 40.6 % | −4.7 | 322 | |
 Bard | 38.9 % | −9.7 | 137 | |
 Rakan | 38.3 % | −7.6 | 162 | |
 Janna | 38.0 % | −7.4 | 133 | |
 Soraka | 37.5 % | −8.0 | 251 |
Karthus vs Janna: questions and answers
Who wins, Karthus or Janna?
Janna wins 62.0 % of Support games against Karthus, from 133 ranked games. Karthus wins the other 38.0 %.
Who wins the lane, Karthus or Janna?
At 15 minutes Karthus is 416 gold ahead of Janna on average, with +12.3 CS and +181 XP against Janna, from 118 games with lane data.
Is Janna a hard matchup for Karthus?
Both champions’ own win rates in the Support role predict 45.4 % for Karthus. The real 38.0 % is 7.4 points lower: this matchup is harder for Karthus than the two champions’ strength suggests. By win rate, Janna is place 33 of 34 among Karthus’s Support opponents with at least 100 games.
Who counters Janna?
The highest win rates against Janna in the Support role: Annie (52.9 %), Sona (51.9 %) and Amumu (52.0 %).
From ranked games ggez.gg collected through the Riot API.