| Oso Mask vs Kazuya | 62–89 | 41.06% |
| Oso Mask vs King | 50–95 | 34.48% |
| Oso Mask vs Steve | 36–75 | 32.43% |
| Oso Mask vs Hwoarang | 33–68 | 32.67% |
| Oso Mask vs Reina | 34–58 | 36.96% |
| Oso Mask vs Jin | 26–64 | 28.89% |
| Oso Mask vs Law | 29–54 | 34.94% |
| Oso Mask vs Jun | 23–45 | 33.82% |
| Oso Mask vs Yoshimitsu | 22–45 | 32.84% |
| Oso Mask vs Eddy | 17–50 | 25.37% |
| Oso Mask vs Bryan | 23–42 | 35.38% |
| Oso Mask vs Asuka | 26–39 | 40.00% |
| Oso Mask vs Victor | 29–36 | 44.62% |
| Oso Mask vs Heihachi | 26–36 | 41.94% |
| Oso Mask vs Dragunov | 24–37 | 39.34% |
| Oso Mask vs Lili | 23–31 | 42.59% |
| Oso Mask vs Azucena | 14–36 | 28.00% |
| Oso Mask vs Paul | 21–25 | 45.65% |
| Oso Mask vs Clive | 16–30 | 34.78% |
| Oso Mask vs Nina | 15–29 | 34.09% |
| Oso Mask vs Devil Jin | 17–22 | 43.59% |
| Oso Mask vs Feng | 14–25 | 35.90% |
| Oso Mask vs Lars | 15–23 | 39.47% |
| Oso Mask vs Armor King | 10–26 | 27.78% |
| Oso Mask vs Lidia | 11–24 | 31.43% |
| Oso Mask vs Leo | 10–24 | 29.41% |
| Oso Mask vs Lee | 16–18 | 47.06% |
| Oso Mask vs Raven | 13–16 | 44.83% |
| Oso Mask vs Leroy | 7–17 | 29.17% |
| Oso Mask vs Xiaoyu | 8–15 | 34.78% |
| Oso Mask vs Claudio | 3–20 | 13.04% |
| Oso Mask vs Jack-8 | 9–12 | 42.86% |
| Oso Mask vs Fahkumram | 5–14 | 26.32% |
| Oso Mask vs Kuma | 6–12 | 33.33% |
| Oso Mask vs Alisa | 5–11 | 31.25% |
| Oso Mask vs Anna | 3–13 | 18.75% |
| Oso Mask vs Shaheen | 7–8 | 46.67% |
| Oso Mask vs Zafina | 4–6 | 40.00% |
| Oso Mask vs Miary Zo | 0–9 | 0.00% |
| Oso Mask vs Panda | 0–3 | 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.