The champions that counter Irelia hardest in mid lane are Galio (46.36%), Vex (46.86%) and Fizz (47.25%) — those are Irelia's own pooled win rates. The easiest matchups are Mel (55.37%), Swain (55.01%) and Aurelion Sol (54.42%).
45 researched matchup guides for Irelia in mid lane, most-played first. Win rates are Irelia's side, pooled Emerald+ games sampled July 2026.
| Matchup | Win rate | Games | Favour |
|---|---|---|---|
| Irelia vs Viktor | 49.22% | 7,476 | Leans Viktor |
| Irelia vs Sylas | 47.33% | 6,876 | Leans Sylas |
| Irelia vs Ahri | 48.55% | 6,817 | Leans Ahri |
| Irelia vs Yasuo | 49.62% | 6,517 | Even |
| Irelia vs Zed | 51.34% | 5,977 | Leans Irelia |
| Irelia vs Syndra | 50.6% | 5,903 | Even |
| Irelia vs Yone | 50.33% | 5,746 | Even |
| Irelia vs Katarina | 48.34% | 5,699 | Leans Katarina |
| Irelia vs Akali | 48.38% | 4,998 | Leans Akali |
| Irelia vs Malzahar | 48.17% | 4,636 | Leans Malzahar |
| Irelia vs Lissandra | 48.43% | 4,462 | Leans Lissandra |
| Irelia vs Lux | 50.59% | 4,117 | Even |
| Irelia vs Vladimir | 47.3% | 4,076 | Leans Vladimir |
| Irelia vs Fizz | 47.25% | 3,941 | Leans Fizz |
| Irelia vs Hwei | 49.19% | 3,795 | Leans Hwei |
| Irelia vs Twisted Fate | 49.13% | 3,770 | Leans Twisted Fate |
| Irelia vs Diana | 48.28% | 3,596 | Leans Diana |
| Irelia vs LeBlanc | 50.59% | 3,560 | Even |
| Irelia vs Xerath | 50.64% | 3,549 | Even |
| Irelia vs Naafiri | 51.95% | 3,490 | Leans Irelia |
| Irelia vs Galio | 46.36% | 3,367 | Leans Galio |
| Irelia vs Vex | 46.86% | 2,881 | Leans Vex |
| Irelia vs Ekko | 48.78% | 2,753 | Leans Ekko |
| Irelia vs Akshan | 50.62% | 2,744 | Even |
| Irelia vs Ryze | 52.26% | 2,635 | Leans Irelia |
| Irelia vs Talon | 52.41% | 2,591 | Leans Irelia |
| Irelia vs Karma | 52.11% | 2,554 | Leans Irelia |
| Irelia vs Kassadin | 48.65% | 2,302 | Leans Kassadin |
| Irelia vs Mel | 55.37% | 2,288 | Irelia favoured |
| Irelia vs Veigar | 49.14% | 2,255 | Leans Veigar |
| Irelia vs Orianna | 52.18% | 2,246 | Leans Irelia |
| Irelia vs Zoe | 49.66% | 2,165 | Even |
| Irelia vs Aurora | 50.92% | 2,113 | Leans Irelia |
| Irelia vs Anivia | 48.48% | 2,077 | Leans Anivia |
| Irelia vs Qiyana | 51.21% | 1,951 | Leans Irelia |
| Irelia vs Annie | 47.54% | 1,666 | Leans Annie |
| Irelia vs Brand | 50.93% | 1,355 | Leans Irelia |
| Irelia vs Pantheon | 52.4% | 1,353 | Leans Irelia |
| Irelia vs Cassiopeia | 51.95% | 1,311 | Leans Irelia |
| Irelia vs Taliyah | 51.55% | 1,160 | Leans Irelia |
| Irelia vs Ziggs | 49.91% | 1,124 | Even |
| Irelia vs Swain | 55.01% | 1,118 | Irelia favoured |
| Irelia vs Aurelion Sol | 54.42% | 1,007 | Leans Irelia |
| Irelia vs Azir | 49.03% | 875 | Leans Azir |
| Irelia vs Neeko | 52.37% | 718 | Leans Irelia |