| Gecku vs King | 7–9 | 43.75% |
| Gecku vs Hwoarang | 8–5 | 61.54% |
| Gecku vs Jin | 5–5 | 50.00% |
| Gecku vs Law | 4–3 | 57.14% |
| Gecku vs Steve | 4–3 | 57.14% |
| Gecku vs Lili | 5–2 | 71.43% |
| Gecku vs Dragunov | 5–1 | 83.33% |
| Gecku vs Devil Jin | 2–3 | 40.00% |
| Gecku vs Miary Zo | 2–3 | 40.00% |
| Gecku vs Bryan | 3–1 | 75.00% |
| Gecku vs Alisa | 1–3 | 25.00% |
| Gecku vs Paul | 2–1 | 66.67% |
| Gecku vs Shaheen | 2–1 | 66.67% |
| Gecku vs Jun | 1–2 | 33.33% |
| Gecku vs Reina | 2–1 | 66.67% |
| Gecku vs Azucena | 3–0 | 100.00% |
| Gecku vs Armor King | 2–1 | 66.67% |
| Gecku vs Kazuya | 2–0 | 100.00% |
| Gecku vs Asuka | 1–1 | 50.00% |
| Gecku vs Leo | 2–0 | 100.00% |
| Gecku vs Nina | 2–0 | 100.00% |
| Gecku vs Leroy | 2–0 | 100.00% |
| Gecku vs Victor | 2–0 | 100.00% |
| Gecku vs Clive | 2–0 | 100.00% |
| Gecku vs Xiaoyu | 1–0 | 100.00% |
| Gecku vs Zafina | 0–1 | 0.00% |
| Gecku vs Raven | 1–0 | 100.00% |
| Gecku vs Lidia | 1–0 | 100.00% |
| Gecku vs Heihachi | 0–1 | 0.00% |
Limitations
This data is often requested to give insight into which characters you have more trouble with than others, but it is not particularly helpful for that. The main issue is that it is heavily skewed by how strong the opponents you play are.
For example, this data suggests my worst matchup is clearly vs Reina, but that's just because most of those games are vs Yagami.
There is a way to account for this being worked on. The central idea is to assign each matchup a rating vs you which adjusts based on the result, much like the regular rating but also based on the rating of each player. With this, it would give a better summary of how well you perform vs each character.
In the meantime, this page is here to present the data as requested.