| Onaga vs King | 96–177 | 35.16% |
| Onaga vs Kazuya | 102–138 | 42.50% |
| Onaga vs Jin | 81–128 | 38.76% |
| Onaga vs Steve | 91–109 | 45.50% |
| Onaga vs Law | 71–112 | 38.80% |
| Onaga vs Hwoarang | 82–81 | 50.31% |
| Onaga vs Reina | 65–87 | 42.76% |
| Onaga vs Bryan | 59–83 | 41.55% |
| Onaga vs Eddy | 36–83 | 30.25% |
| Onaga vs Lili | 38–70 | 35.19% |
| Onaga vs Heihachi | 47–53 | 47.00% |
| Onaga vs Asuka | 38–56 | 40.43% |
| Onaga vs Dragunov | 36–56 | 39.13% |
| Onaga vs Yoshimitsu | 34–57 | 37.36% |
| Onaga vs Armor King | 34–55 | 38.20% |
| Onaga vs Fahkumram | 35–51 | 40.70% |
| Onaga vs Jun | 31–52 | 37.35% |
| Onaga vs Azucena | 27–56 | 32.53% |
| Onaga vs Lidia | 39–41 | 48.75% |
| Onaga vs Lars | 33–43 | 43.42% |
| Onaga vs Xiaoyu | 29–44 | 39.73% |
| Onaga vs Lee | 33–34 | 49.25% |
| Onaga vs Victor | 23–40 | 36.51% |
| Onaga vs Paul | 14–46 | 23.33% |
| Onaga vs Feng | 28–30 | 48.28% |
| Onaga vs Jack-8 | 15–42 | 26.32% |
| Onaga vs Leo | 20–36 | 35.71% |
| Onaga vs Nina | 19–37 | 33.93% |
| Onaga vs Clive | 20–34 | 37.04% |
| Onaga vs Alisa | 14–37 | 27.45% |
| Onaga vs Leroy | 24–26 | 48.00% |
| Onaga vs Miary Zo | 23–27 | 46.00% |
| Onaga vs Devil Jin | 23–26 | 46.94% |
| Onaga vs Raven | 20–29 | 40.82% |
| Onaga vs Anna | 19–28 | 40.43% |
| Onaga vs Claudio | 10–27 | 27.03% |
| Onaga vs Zafina | 14–21 | 40.00% |
| Onaga vs Kuma | 11–23 | 32.35% |
| Onaga vs Shaheen | 18–15 | 54.55% |
| Onaga vs Panda | 2–9 | 18.18% |
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.