Ireliavs Sylas
Irelia vs Sylas is a very close matchup in LoL patch 26.19. Irelia wins with a 50.0% win rate (+0.0%) over Sylas based on 38 games. Irelia wins the early laning phase while Sylas scales better into the late game. Below you'll find the best Irelia build, runes, laning stats, and strategies for the Irelia vs Sylas matchup.
Irelia Matchup Breakdown
Use the dropdown to select an opponent and see a detailed breakdown of how Irelia 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 Irelia vs Sylas?
Irelia wins 38.6% of these games. With this many games the true rate is most likely between 28.0% and 50.3% (95% range).
- Expected
- 48.7% From both champions' overall Mid win rates
- Matchup effect
- −10.1 pts Observed minus expected
- Sample
- 70 games Lane: Mid
- vs patch 26.18
- −4.3 pts Within normal patch-to-patch noise
Lane: Mid · Ranked Solo/Duo & Flex · North America server · All ranks · Patch 26.19 · Sep 24 – Sep 28
They also met in another lane (Top): 7 games, Irelia won 57.1%.
Key takeaways
- Current data slightly favors Sylas, but the sample is too limited for a strong conclusion: Irelia wins 38.6% of 70 games (95% range 28.0–50.3%).
- Both champions' overall Mid win rates predict 48.7% for Irelia; the result is within the margin of error of that, so this matchup mostly reflects the two champions' general strength.
- Irelia usually wins the lane: 779 gold ahead of Sylas at 15 minutes on average (69 games with a 15-minute snapshot).
- Irelia players pick Kraken Slayer much less often against Sylas: 47.1% of their other Mid games, 31.4% 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 Irelia and Sylas 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 Irelia'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.
Irelia vs Sylas Laning Stats
At 15 minutes
Whole-game averages
Irelia vs Sylas Win Rate by Game Length
Irelia's win rate against Sylas 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: Irelia's results against Sylas in short and long games are within the margin of error of each other.
Irelia vs Sylas 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)IreliaIrelia gold at 15: +779
- First itemSylasIrelia: 11.6 min · Sylas: 11.0 min
- Games under 20 minInsufficient data
- 20–30 min gamesInsufficient data
- 30+ min gamesInsufficient data
What Irelia Changes Against Sylas
Choices Irelia players make noticeably more or less often in this matchup than in their other Mid games.
Kraken SlayerItemUsually47.1%vs Sylas31.4%−15.7 pts45.5% WR here
Death's DanceItemUsually50.3%vs Sylas37.1%−13.2 pts46.2% WR here
Mortal ReminderItemUsually1.3%vs Sylas7.1%+5.9 pts
Best Irelia Build vs Sylas
Usual Irelia build (Mid)
76.9% win rate · 26 games
Against Sylas
Not enough matchup-specific build data: only 7 of 42 Irelia games against Sylas carried a complete build, which is too few to recommend an item path from. Use Irelia's standard build instead.
- Irelia usually completes Blade of The Ruined King first, at 11.6 min (median of 66 games).
- Sylas usually completes Hextech Rocketbelt first, at 11.0 min (median of 44 games).
- Skill priority: Q > W > E — 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 Irelia Runes vs Sylas
Usual Irelia runes (Mid)
Conqueror
53.6% win rate · 358 games
Against Sylas
Conqueror
47.6% win rate · 21 games
Plan your Irelia 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
Irelia matchup data for League of Legends patch 26.19. The table below shows Irelia'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 Irelia build, runes, laning stats, and early vs late game analysis for that specific matchup.
Other Irelia Matchups
Hardest for Irelia
Easiest for Irelia
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.
Irelia vs Sylas FAQ - Patch 26.19
Who wins Irelia vs Sylas?
Current data slightly favors Sylas, but the sample is too limited for a strong conclusion: Irelia wins 38.6% of 70 games (95% range 28.0–50.3%).
What is Irelia's win rate against Sylas?
Irelia wins 38.6% of 70 Mid games against Sylas on patch 26.19 (95% range 28.0–50.3%). Based on both champions' overall Mid win rates, 48.7% would be expected.
Does Irelia counter Sylas?
Not clearly. Irelia wins 38.6% of 70 games against Sylas, and the 95% range (28.0–50.3%) includes 50%, so neither champion reliably counters the other on current data.
Who wins lane, Irelia or Sylas?
Irelia usually wins the lane: 779 gold ahead of Sylas at 15 minutes on average (69 games with a 15-minute snapshot).
Does Irelia outscale Sylas?
There are too few games of each length to tell yet.
When is Sylas strongest against Irelia?
Sylas is measurably ahead in: First item.
What should Irelia build against Sylas?
There are not enough games for a matchup-specific core, so use Irelia's usual Mid core: Kraken Slayer, Death's Dance, Maw of Malmortius. The biggest change against Sylas: Kraken Slayer (47.1% usually, 31.4% here).
What runes should Irelia use against Sylas?
Conqueror with Precision and Resolve — 47.6% over 21 games against Sylas.