| Gumm vs King | 11–10 | 52.38% |
| Gumm vs Reina | 6–8 | 42.86% |
| Gumm vs Bryan | 4–8 | 33.33% |
| Gumm vs Asuka | 6–6 | 50.00% |
| Gumm vs Lili | 6–6 | 50.00% |
| Gumm vs Dragunov | 6–5 | 54.55% |
| Gumm vs Nina | 4–6 | 40.00% |
| Gumm vs Azucena | 5–5 | 50.00% |
| Gumm vs Hwoarang | 3–6 | 33.33% |
| Gumm vs Steve | 4–5 | 44.44% |
| Gumm vs Lee | 3–6 | 33.33% |
| Gumm vs Eddy | 2–5 | 28.57% |
| Gumm vs Yoshimitsu | 3–3 | 50.00% |
| Gumm vs Xiaoyu | 3–3 | 50.00% |
| Gumm vs Jin | 2–4 | 33.33% |
| Gumm vs Kazuya | 1–5 | 16.67% |
| Gumm vs Leo | 0–6 | 0.00% |
| Gumm vs Heihachi | 4–2 | 66.67% |
| Gumm vs Law | 3–2 | 60.00% |
| Gumm vs Claudio | 1–4 | 20.00% |
| Gumm vs Leroy | 4–1 | 80.00% |
| Gumm vs Kuma | 3–1 | 75.00% |
| Gumm vs Feng | 0–3 | 0.00% |
| Gumm vs Shaheen | 1–2 | 33.33% |
| Gumm vs Raven | 2–1 | 66.67% |
| Gumm vs Jack-8 | 1–1 | 50.00% |
| Gumm vs Alisa | 2–0 | 100.00% |
| Gumm vs Panda | 0–2 | 0.00% |
| Gumm vs Jun | 1–1 | 50.00% |
| Gumm vs Victor | 0–2 | 0.00% |
| Gumm vs Lidia | 0–2 | 0.00% |
| Gumm vs Lars | 1–0 | 100.00% |
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.