| Fatty Tuna vs Steve | 34–28 | 54.84% |
| Fatty Tuna vs Heihachi | 33–19 | 63.46% |
| Fatty Tuna vs King | 39–10 | 79.59% |
| Fatty Tuna vs Jin | 21–24 | 46.67% |
| Fatty Tuna vs Reina | 26–17 | 60.47% |
| Fatty Tuna vs Kazuya | 22–19 | 53.66% |
| Fatty Tuna vs Yoshimitsu | 17–18 | 48.57% |
| Fatty Tuna vs Hwoarang | 21–13 | 61.76% |
| Fatty Tuna vs Paul | 21–9 | 70.00% |
| Fatty Tuna vs Bryan | 19–10 | 65.52% |
| Fatty Tuna vs Asuka | 17–10 | 62.96% |
| Fatty Tuna vs Dragunov | 18–9 | 66.67% |
| Fatty Tuna vs Law | 11–14 | 44.00% |
| Fatty Tuna vs Lili | 13–12 | 52.00% |
| Fatty Tuna vs Armor King | 15–9 | 62.50% |
| Fatty Tuna vs Lars | 13–10 | 56.52% |
| Fatty Tuna vs Victor | 16–5 | 76.19% |
| Fatty Tuna vs Raven | 6–14 | 30.00% |
| Fatty Tuna vs Lidia | 13–7 | 65.00% |
| Fatty Tuna vs Eddy | 7–11 | 38.89% |
| Fatty Tuna vs Xiaoyu | 9–7 | 56.25% |
| Fatty Tuna vs Lee | 7–8 | 46.67% |
| Fatty Tuna vs Azucena | 9–6 | 60.00% |
| Fatty Tuna vs Leo | 6–8 | 42.86% |
| Fatty Tuna vs Nina | 5–9 | 35.71% |
| Fatty Tuna vs Clive | 12–2 | 85.71% |
| Fatty Tuna vs Jack-8 | 8–5 | 61.54% |
| Fatty Tuna vs Fahkumram | 10–3 | 76.92% |
| Fatty Tuna vs Alisa | 6–6 | 50.00% |
| Fatty Tuna vs Feng | 4–7 | 36.36% |
| Fatty Tuna vs Shaheen | 9–2 | 81.82% |
| Fatty Tuna vs Leroy | 9–2 | 81.82% |
| Fatty Tuna vs Kuma | 6–3 | 66.67% |
| Fatty Tuna vs Miary Zo | 7–2 | 77.78% |
| Fatty Tuna vs Jun | 4–4 | 50.00% |
| Fatty Tuna vs Claudio | 3–4 | 42.86% |
| Fatty Tuna vs Devil Jin | 2–4 | 33.33% |
| Fatty Tuna vs Panda | 2–0 | 100.00% |
| Fatty Tuna vs Zafina | 2–0 | 100.00% |
| Fatty Tuna vs Anna | 2–0 | 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.