MacroMind matchup data: real ranked games, not opinions
Kog'Maw vs Sivir
What is Kog'Maw's win rate vs Sivir?
In ADC, Kog'Maw wins 50% against Sivir across 625 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 Kog'Maw behind by 130 gold.
Kog'Maw at 15:00
- Gold: -130
- CS: -6
- XP: -84
Typical gap to Sivir, from 624 games that reached 15:00.
Does Kog'Maw counter Sivir?
Too close to call. Kog'Maw sits at 50% over 625 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 Kog'Maw
When Kog'Maw is ahead in gold at 10:00, this matchup runs 57% over 303 games; behind, it drops to 42% over 322.
| The spot | Win rate | Games |
|---|---|---|
| Ahead in gold at 10:00 | 57% | 303 |
| Behind in gold at 10:00 | 42% | 322 |
| First blood | 55% | 296 |
| +kills at 10:00 | 58% | 259 |
| +CS at 10:00 | 58% | 227 |
| 0 deaths at 10:00 | 58% | 137 |
| 0 deaths at 15:00 | 59% | 65 |
The median first death in this lane comes at 4:50; the level 6 spike lands around 7:41. Respect the all-in window until your spike is online.
What does Kog'Maw build in ADC?
Into Sivir specifically, Kog'Maw finishes Guinsoo's Rageblade first most often: 52.5% over 120 games of this matchup.
The most-finished Kog'Maw core is Blade of The Ruined King, Guinsoo's Rageblade, Runaan's Hurricane: 55.8% across 1,775 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 Guinsoo's Rageblade (4,901 games).
Skill plan: Kog'Maw players max W first and take W at level 1.