
Win rate shows how often the counter hero wins against Io. Based on all matchups (~7 days, all ranks); position is refined with parsed matches from the last 90 days (smoothed with +15 virtual games). "Estimate" means fewer than 10 parsed games in that position, so the hero is placed by its usual role (share ≥15%).
The strongest counters to Io: Techies (64.3% win rate, +14.3 pp advantage), Techies (60.6% win rate, +10.6 pp advantage), Shadow Fiend (60.5% win rate, +10.5 pp advantage). All positions, patch 7.41f.
Good mid picks against Io: Meepo (56.2% win rate, +6.2 pp), Visage (55.9% win rate, +5.9 pp), Earthshaker (55.0% win rate, +5.0 pp).
Weak matchup stats are updating.