MacroMind matchup data: real ranked games, not opinions
Caitlyn vs Sivir
What is Caitlyn's win rate vs Sivir?
In ADC, Caitlyn wins 49% against Sivir across 6,401 observed ranked games.
Global ranked sample: games from every region and every rank pooled together, not one server's stats. Data runs through patch 26.12; curves updated 2026-08-07.
By 15 minutes the median game has Caitlyn ahead by 18 gold.
Caitlyn at 15:00
- Gold: +18
- CS: 0
- XP: -74
Typical gap to Sivir, from 6,360 games that reached 15:00.
Does Caitlyn counter Sivir?
Too close to call. Caitlyn sits at 49% over 6,401 games, so neither pick counters the other here. The lane goes to whoever wins the spots below, like the gold lead at 10:00 or staying alive until 15:00, so play for those and let the pick argument go.
How to beat Sivir as Caitlyn
When Caitlyn is ahead in gold at 10:00, this matchup runs 58% over 3,405 games; behind, it drops to 39% over 2,993.
| The spot | Win rate | Games |
|---|---|---|
| Ahead in gold at 10:00 | 58% | 3,405 |
| Behind in gold at 10:00 | 39% | 2,993 |
| First blood | 54% | 3,342 |
| +kills at 10:00 | 60% | 2,456 |
| +CS at 10:00 | 55% | 3,418 |
| 0 deaths at 10:00 | 56% | 1,673 |
| 0 deaths at 15:00 | 64% | 673 |
The median first death in this lane comes at 5:39; the level 6 spike lands around 7:23. Respect the all-in window until your spike is online.
What does Caitlyn build in ADC?
Into Sivir specifically, Caitlyn finishes The Collector first most often: 49.2% over 1,475 games of this matchup.
The most-finished core in this exact matchup is The Collector, Infinity Edge, Lord Dominik's Regards: 54.1% across 481 games.
The most-finished Caitlyn core is The Collector, Infinity Edge, Lord Dominik's Regards: 54.3% across 14,626 games when all three got done. All matchups, patches 26.1-26.12.
Most games start Doran's Blade + Health Potion; the first finished item is usually Hexoptics C44 (47,375 games).
Skill plan: Caitlyn players max Q first and take Q at level 1.