| Okumnyama vs Kazuya | 181–218 | 45.36% |
| Okumnyama vs Jin | 153–194 | 44.09% |
| Okumnyama vs King | 147–178 | 45.23% |
| Okumnyama vs Dragunov | 119–156 | 43.27% |
| Okumnyama vs Bryan | 97–151 | 39.11% |
| Okumnyama vs Heihachi | 79–123 | 39.11% |
| Okumnyama vs Law | 77–93 | 45.29% |
| Okumnyama vs Steve | 71–85 | 45.51% |
| Okumnyama vs Paul | 66–86 | 43.42% |
| Okumnyama vs Reina | 61–75 | 44.85% |
| Okumnyama vs Victor | 65–60 | 52.00% |
| Okumnyama vs Yoshimitsu | 49–73 | 40.16% |
| Okumnyama vs Armor King | 50–72 | 40.98% |
| Okumnyama vs Devil Jin | 34–70 | 32.69% |
| Okumnyama vs Lee | 34–58 | 36.96% |
| Okumnyama vs Hwoarang | 40–50 | 44.44% |
| Okumnyama vs Nina | 32–52 | 38.10% |
| Okumnyama vs Eddy | 33–45 | 42.31% |
| Okumnyama vs Lars | 40–36 | 52.63% |
| Okumnyama vs Asuka | 18–49 | 26.87% |
| Okumnyama vs Lili | 24–42 | 36.36% |
| Okumnyama vs Feng | 18–42 | 30.00% |
| Okumnyama vs Clive | 25–32 | 43.86% |
| Okumnyama vs Azucena | 28–27–1 | 50.91% |
| Okumnyama vs Claudio | 21–33 | 38.89% |
| Okumnyama vs Lidia | 22–32 | 40.74% |
| Okumnyama vs Alisa | 26–26 | 50.00% |
| Okumnyama vs Jun | 17–27 | 38.64% |
| Okumnyama vs Xiaoyu | 21–22 | 48.84% |
| Okumnyama vs Shaheen | 15–28 | 34.88% |
| Okumnyama vs Jack-8 | 10–25 | 28.57% |
| Okumnyama vs Leo | 13–19 | 40.62% |
| Okumnyama vs Fahkumram | 13–19 | 40.62% |
| Okumnyama vs Raven | 8–21 | 27.59% |
| Okumnyama vs Leroy | 15–13 | 53.57% |
| Okumnyama vs Kuma | 10–11 | 47.62% |
| Okumnyama vs Anna | 9–11 | 45.00% |
| Okumnyama vs Miary Zo | 8–6 | 57.14% |
| Okumnyama vs Zafina | 2–4 | 33.33% |
| Okumnyama vs Panda | 3–2 | 60.00% |
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.