Source: Ranked + player metaPatch: 16.17Window: patchRegion: allRank: emerald_plusQueue: ranked_soloSample: 50Updated 9/11/2026, 8:21:07 PM
Confidence: High-4% vs 50%50 games
Lane phases
Levels 1–2
Rammus edge
Rammus has stronger early trades — respect all-ins.
Levels 3–5
Rammus edge
Master Yi needs to play safe until item spikes.
Level 6+
Rammus edge
Ultimate timing often swings the next two waves.
Mid / late
Even
If Master Yi reaches items, teamfights can neutralize the lane loser.
Why?
Sample-basedHard
- Sample win rate for Master Yi is 46.0% in this matchup.
- Rammus statistically wins more often in the current Emerald+ sample.
Treat this as a Hard matchup for Master Yi into Rammus — prioritize cooldown windows and jungle tracking.
Do
- Give up early shove if Rammus can all-in you.
- Track summoner spells and ultimate cooldowns before committing.
- Play for wave states that let you crash and reset safely.
Don't
- Don't overstay for a plate when behind.
- 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 Master Yi page (Jungle): Hail of Blades Build · 48.3% WR · 58 games
Skill order: Q › W › E
Keystones (player meta)
Most common keystones when master-yi faces rammus in lookup-discovered matches.
Hail of Blades1G0.0%
Patch: 16.17Region: naRank: emerald_plusQueue: ranked_soloSample: 101Updated 9/11/2026, 8:18:15 PM