- Win Rate
- 50.2%
- Pick Rate
- 4.0%
- Ban Rate
- 28.9%
Master Yi vs Zac
- Patch
- 26.21
- Games
- 8,078
- Lane
- All Lanes
- Tier
- All Tiers
- Last Updated
- Nov 3, 2026 UTC
- Author
- Dakota Chinnick
- Methodology
- Data Methodology
Master Yi vs Zac is a moderate matchup in LoL patch 26.21. Zac wins with a 51.8% win rate (+3.6%) over Master Yi based on 112 games. Zac wins the early laning phase while Master Yi scales better into the late game. Below you'll find the best Master Yi build, runes, laning stats, and strategies for the Master Yi vs Zac matchup.
Master Yi Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Master Yi performs against them. You'll get head-to-head win rates, laning stats, the best build and runes for the matchup, and early vs late game analysis — all based on real ranked data.
Who wins Master Yi vs Zac?
Master Yi wins 47.7% of these games. With this many games the true rate is most likely between 38.4% and 57.0% (95% range).
- Expected
- 48.0% From both champions' overall Jungle win rates
- Matchup effect
- −0.4 pts Observed minus expected
- Sample
- 107 games Lane: Jungle
- vs patch 26.20
- +2.7 pts Within normal patch-to-patch noise
Lane: Jungle · Ranked Solo/Duo & Flex · North America server · All ranks · Patch 26.21 · Oct 27 – Nov 3
Key takeaways
- Current data slightly favors Zac, but the sample is too limited for a strong conclusion: Master Yi wins 47.7% of 107 games (95% range 38.4–57.0%).
- Both champions' overall Jungle win rates predict 48.0% for Master Yi; the result is within the margin of error of that, so this matchup mostly reflects the two champions' general strength.
- Master Yi usually wins the lane: 589 gold ahead of Zac at 15 minutes on average (104 games with a 15-minute snapshot).
- Master Yi players pick The Collector much less often against Zac: 36.0% of their other Jungle games, 22.4% here.
How we calculate this
Games: ranked Solo/Duo and Flex games on the North America server from the patch shown. Remakes (games under 5 minutes) are excluded.
A game only counts when Master Yi and Zac played the same position on opposite teams, so roaming, lane swaps within a team or a champion merely being in the same game never count as this matchup.
The 95% range is a Wilson score interval. Confidence comes from how wide that range is: within ±3 points is very high, ±5 high, ±8 moderate, anything wider low. Below 20 games a matchup is not classified at all.
Expected win rate combines both champions’ win rates in this lane (same games and filters) with the log5 formula: E = A(1−B) / (A(1−B) + B(1−A)). Matchup effect = observed − expected.
"What changes" compares Master Yi's choices in this matchup with the same champion's other games in the same lane, and lists a change only when it is at least 3 points and statistically significant (two-proportion z-test, |z| ≥ 2, 20+ games).
Results are not split by rank: the sample per rank is too small for honest per-rank matchup numbers.
Master Yi vs Zac Laning Stats
At 15 minutes
Whole-game averages
Master Yi vs Zac Win Rate by Game Length
Master Yi's win rate against Zac by game length. The dot is the win rate, the bar its 95% range and the dashed line the champion's usual win rate at that length. Lengths with fewer than 25 games are left blank.
No game length stands out: Master Yi's results against Zac in short and long games are within the margin of error of each other.
Master Yi vs Zac Power Spikes
Who is ahead at each stage, measured from these games. A stage reads "Even" when the difference is inside the margin of error, and "Insufficient data" when there are too few games to tell.
- Lane (15 min)Master YiMaster Yi gold at 15: +589
- First itemEvenMaster Yi: 0.2 min · Zac: 0.2 min
- Games under 20 minInsufficient data
- 20–30 min gamesEvenMaster Yi wins 44.0% of 50 games
- 30+ min gamesEvenMaster Yi wins 51.0% of 51 games
What Master Yi Changes Against Zac
Choices Master Yi players make noticeably more or less often in this matchup than in their other Jungle games.
The CollectorItemUsually36.0%vs Zac22.4%−13.6 pts58.3% WR here
Usually46.9%vs Zac57.9%+11.0 pts48.4% WR here
Wit's EndItemUsually16.4%vs Zac25.2%+8.9 pts48.1% WR here
Scorchclaw Pup + Health Potion + Oracle LensStarting itemsUsually1.5%vs Zac5.6%+4.2 pts
Best Master Yi Build vs Zac
Usual Master Yi build (Jungle)
90.9% win rate · 11 games
Against Zac
Not enough matchup-specific build data: only 12 of 70 Master Yi games against Zac carried a complete build, which is too few to recommend an item path from. Use Master Yi's standard build instead.
- Master Yi usually completes Gustwalker Hatchling first, at 0.2 min (median of 52 games).
- Zac usually completes Mosstomper Seedling first, at 0.2 min (median of 66 games).
- Skill priority: Q > E > W — the same as usual.
Builds are ranked by the lower edge of their win rate range, not the raw win rate, so a build seen in a handful of wins never outranks a proven one.
Best Master Yi Runes vs Zac
Usual Master Yi runes (Jungle)
Hail of Blades
50.0% win rate · 2,536 games
Against Zac
Hail of Blades59.0% win rate · 39 games
Plan your Master Yi draft in Draft Lab
Draft Lab lays out both teams lane by lane with live matchup win rates, damage profiles and game-phase lean, and suggests picks and bans from current meta data.
- Full 5v5 draft board
- Lane matchup win rates
- Pick and ban suggestions
Master Yi matchup data for League of Legends patch 26.21. The table below shows Master Yi's win rate, gold difference, and performance stats against every champion in the current meta. Click any champion name to see a detailed head-to-head breakdown including the best Master Yi build, runes, laning stats, and early vs late game analysis for that specific matchup.
Other Master Yi Matchups
Hardest for Master Yi
Easiest for Master Yi
Win rate and games for each matchup. Lists are ranked by the edge of the 95% range so small samples cannot top them; matchups with at least 50 games only.
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Master Yi vs Zac FAQ - Patch 26.21
Who wins Master Yi vs Zac?
Current data slightly favors Zac, but the sample is too limited for a strong conclusion: Master Yi wins 47.7% of 107 games (95% range 38.4–57.0%).
What is Master Yi's win rate against Zac?
Master Yi wins 47.7% of 107 Jungle games against Zac on patch 26.21 (95% range 38.4–57.0%). Based on both champions' overall Jungle win rates, 48.0% would be expected.
Does Master Yi counter Zac?
Not clearly. Master Yi wins 47.7% of 107 games against Zac, and the 95% range (38.4–57.0%) includes 50%, so neither champion reliably counters the other on current data.
Who wins lane, Master Yi or Zac?
Master Yi usually wins the lane: 589 gold ahead of Zac at 15 minutes on average (104 games with a 15-minute snapshot).
Does Master Yi outscale Zac?
There are too few games of each length to tell yet.
When is Zac strongest against Master Yi?
On current data there is no stage of the game where Zac is ahead of Master Yi beyond the margin of error.
What should Master Yi build against Zac?
There are not enough games for a matchup-specific core, so use Master Yi's usual Jungle core: Hubris, The Collector, Lord Dominik's Regards. The biggest change against Zac: The Collector (36.0% usually, 22.4% here).
What runes should Master Yi use against Zac?
Hail of Blades with Domination and Precision — 59.0% over 39 games against Zac.