Source: Ranked + player metaPatch: 16.17Window: patchRegion: allRank: emerald_plusQueue: ranked_soloSample: 59Updated 10/28/2026, 4:38:06 AM
Confidence: High+2.5% vs 50%59 games
Lane phases
AI heuristicLevels 1–2
Yuumi edge
Yuumi can look for early pressure.
Levels 3–5
Yuumi edge
Convert leads before Janna scales or roams.
Level 6+
Yuumi edge
Ultimate timing often swings the next two waves.
Mid / late
Yuumi edge
Close out with vision and objective control.
Why?
AI heuristicFavored
- Sample win rate for Yuumi is 52.5% in this matchup.
- Yuumi is favored in the current Emerald+ sample.
Treat this as a Favored matchup for Yuumi into Janna — prioritize cooldown windows and jungle tracking.
Do
- Look for crash + roam when you hit a spike.
- Track summoner spells and ultimate cooldowns before committing.
- Play for wave states that let you crash and reset safely.
Don't
- Don't throw the lead diving without vision.
- Don't force extended trades when key abilities are down.
- Don't ignore jungle timers when the lane is volatile.
Matchup build callout
Full builds →Most-played Yuumi page (Support): Summon Aery Build · 43.1% WR · 239 games
Skill order: Q › E › W
Keystones (player meta)
Most common keystones when yuumi faces janna in lookup-discovered matches.
Summon Aery12G33.3%
Arcane Comet1G100.0%
Patch: 16.17Region: naRank: emerald_plusQueue: ranked_soloSample: 266Updated 10/22/2026, 1:02:15 PM