| Gengko vs Reina | 7–7 | 50.00% |
| Gengko vs Heihachi | 3–8 | 27.27% |
| Gengko vs Kazuya | 2–8 | 20.00% |
| Gengko vs Jun | 7–3 | 70.00% |
| Gengko vs Lili | 6–3 | 66.67% |
| Gengko vs Hwoarang | 2–5 | 28.57% |
| Gengko vs Steve | 6–1 | 85.71% |
| Gengko vs Lidia | 6–1 | 85.71% |
| Gengko vs Paul | 1–5 | 16.67% |
| Gengko vs King | 5–1 | 83.33% |
| Gengko vs Bryan | 5–1 | 83.33% |
| Gengko vs Dragunov | 2–4 | 33.33% |
| Gengko vs Lee | 4–1 | 80.00% |
| Gengko vs Leroy | 3–2 | 60.00% |
| Gengko vs Eddy | 1–4 | 20.00% |
| Gengko vs Yoshimitsu | 3–1 | 75.00% |
| Gengko vs Devil Jin | 2–2 | 50.00% |
| Gengko vs Law | 2–1 | 66.67% |
| Gengko vs Jin | 1–2 | 33.33% |
| Gengko vs Jack-8 | 1–2 | 33.33% |
| Gengko vs Zafina | 2–1 | 66.67% |
| Gengko vs Lars | 1–1 | 50.00% |
| Gengko vs Claudio | 2–0 | 100.00% |
| Gengko vs Nina | 2–0 | 100.00% |
| Gengko vs Victor | 0–2 | 0.00% |
| Gengko vs Asuka | 0–1 | 0.00% |
| Gengko vs Alisa | 0–1 | 0.00% |
| Gengko vs Kuma | 0–1 | 0.00% |
| Gengko vs Azucena | 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.