Kai'Sa

Key facts

• Played almost exclusively Bot (98.6% of its games).
• Peak popularity in 2021: 840 games, 52.3% win rate.
• Games featuring it run 1.9 min shorter than average (32m 03s against 33m 54s).
• Best duo: alongside Pyke, 65.1% over 43 games (+13.5 pts against its own average).
• Hardest matchup: against Smolder in Bot, 41.4% over 29 duels.
• Longest win streak: 10, from July 9, 2025 to July 26, 2025.
• The team that played it most is FunPlus Phoenix (115 games, 57.4%).

Play profile

Year by year

Bars show pick volume, the line shows win rate. The dashed line marks 50%.

Duos

Allies seen at least 25 times alongside Kai'Sa. The gap is measured against its own 51.6% average, not against 50%. The Role column is the one held by the ally.

Strongest

Ally	Role	Games	WR	Gap
Pyke	Support	43	65.1%	+13.5
Tahm Kench	Support	67	64.2%	+12.6
Lucian	Mid	72	62.5%	+10.9
Naafiri	Jungle	29	62.1%	+10.5
Ivern	Jungle	38	60.5%	+8.9
Yone	Mid	116	60.3%	+8.7
Poppy	Jungle	137	59.9%	+8.3
Neeko	Support	226	59.7%	+8.1

Weakest

Ally	Role	Games	WR	Gap
Seraphine	Mid	34	26.5%	-25.1
Mordekaiser	Top	29	34.5%	-17.1
Blitzcrank	Support	47	38.3%	-13.3
Syndra	Mid	163	39.9%	-11.7
Aurora	Mid	79	41.8%	-9.8
Sett	Support	172	42.4%	-9.2
Karma	Mid	75	42.7%	-8.9
Karthus	Jungle	30	43.3%	-8.3

Lane matchups

Direct opposition in the same role, over at least 25 duels.

Favourable

Opponent	Role	Duels	WR	Gap
Caitlyn	Bot	49	69.4%	+17.8
Kog'Maw	Bot	26	61.5%	+9.9
Jhin	Bot	100	60%	+8.4
Corki	Bot	89	59.6%	+8
Ziggs	Bot	42	59.5%	+7.9
Samira	Bot	101	58.4%	+6.8
Ezreal	Bot	582	54.3%	+2.7
Lucian	Bot	175	53.7%	+2.1

Unfavourable

Opponent	Role	Duels	WR	Gap
Smolder	Bot	29	41.4%	-10.2
Jinx	Bot	94	41.5%	-10.1
Draven	Bot	35	42.9%	-8.7
Kalista	Bot	105	46.7%	-4.9
Vayne	Bot	81	46.9%	-4.7
Yunara	Bot	55	47.3%	-4.3
Zeri	Bot	146	47.9%	-3.7
Aphelios	Bot	204	48.5%	-3.1

Leagues and teams

Common questions

What is the best duo with Kai'Sa?

Pyke, played Pyke as Support: 65.1% wins over 43 games together, +13.5 points against Kai'Sa's 51.6% average.

Which champion counters Kai'Sa in Bot?

Smolder in Bot: Kai'Sa only wins 41.4% of their 29 direct duels, -10.2 points below its average.

Which lane does Kai'Sa play in pro?

Mainly Bot, which accounts for 98.6% of its 3,781 major-league games, with a 51.6% win rate.

Is Kai'Sa good in professional play?

Over 3,781 major-league games since 2018, Kai'Sa holds a 51.6% win rate. Its most played season was 2021 with 840 games, and it was last picked on August 5, 2026.

Streaks and records