“Win rate” gets used two different ways in League of Legends, and mixing them up leads to bad conclusions. There’s champion win rate — how often a given champion wins across all games at a certain skill level — and there’s team win rate, which is about competitive results in professional play. Bettors researching esports matches care almost exclusively about the second kind, though understanding both helps make sense of drafting decisions in pro games.
Champion win rates and why they matter to pro play
Solo-queue and ranked champion win-rate data (the kind tracked by community stats sites for the live game itself) feeds directly into professional drafting. When a champion’s win rate spikes after a patch, professional teams take notice, and it often shows up in pick and ban patterns at the next tournament. Understanding which champions are considered strong in the current patch gives useful context for reading a pro draft, even though ranked win rates and pro win rates aren’t the same dataset.
Team win rates in professional play
For competitive research, what actually matters is a team’s win rate in official matches — broken down usefully by:
- Overall record this split or season, as a baseline.
- Recent form over their last several series, which often diverges from the season record.
- Side win rate (blue side vs. red side), since some patches and some teams show a meaningful split advantage.
- Best-of-1 vs. best-of-3/5 performance, since format changes team approach and variance considerably.
- Head-to-head win rate against a specific upcoming opponent, where enough matches exist.
Where to find this data
The official LoL Esports site publishes league standings and match results across LCK, LPL, LEC and other major regions, which is the starting point for confirming a team’s current record. Liquipedia’s League of Legends wiki goes further, archiving historical results, past head-to-head records, and roster changes that provide context for why a win rate might be shifting.
Reading win rates without overreacting to them
A team’s win rate is a lagging indicator — it reflects games already played, not necessarily the team’s current strength if something has changed recently (a new player, a coaching switch, a patch that favors a different playstyle). Treat win-rate data as a strong starting point for research, not a complete answer, and pair it with more recent form and any roster news before drawing conclusions about an upcoming match.