| Onderko vs King | 18–19 | 48.65% |
| Onderko vs Kazuya | 17–14 | 54.84% |
| Onderko vs Reina | 19–8 | 70.37% |
| Onderko vs Dragunov | 12–9 | 57.14% |
| Onderko vs Heihachi | 12–9 | 57.14% |
| Onderko vs Asuka | 14–6 | 70.00% |
| Onderko vs Victor | 12–7 | 63.16% |
| Onderko vs Law | 11–7 | 61.11% |
| Onderko vs Steve | 13–5 | 72.22% |
| Onderko vs Yoshimitsu | 11–6 | 64.71% |
| Onderko vs Bryan | 8–8 | 50.00% |
| Onderko vs Jin | 10–5 | 66.67% |
| Onderko vs Fahkumram | 10–5 | 66.67% |
| Onderko vs Lee | 6–8 | 42.86% |
| Onderko vs Hwoarang | 4–8 | 33.33% |
| Onderko vs Lili | 8–4 | 66.67% |
| Onderko vs Jun | 7–5 | 58.33% |
| Onderko vs Eddy | 6–5 | 54.55% |
| Onderko vs Feng | 4–6 | 40.00% |
| Onderko vs Leo | 4–6 | 40.00% |
| Onderko vs Leroy | 4–6 | 40.00% |
| Onderko vs Raven | 6–4 | 60.00% |
| Onderko vs Paul | 3–5 | 37.50% |
| Onderko vs Azucena | 5–3 | 62.50% |
| Onderko vs Lars | 3–4 | 42.86% |
| Onderko vs Jack-8 | 3–2 | 60.00% |
| Onderko vs Devil Jin | 2–3 | 40.00% |
| Onderko vs Alisa | 2–2 | 50.00% |
| Onderko vs Kuma | 1–3 | 25.00% |
| Onderko vs Xiaoyu | 2–1 | 66.67% |
| Onderko vs Claudio | 1–2 | 33.33% |
| Onderko vs Zafina | 2–1 | 66.67% |
| Onderko vs Clive | 1–2 | 33.33% |
| Onderko vs Nina | 2–0 | 100.00% |
| Onderko vs Panda | 0–2 | 0.00% |
| Onderko vs Anna | 2–0 | 100.00% |
| Onderko vs Armor King | 0–2 | 0.00% |
| Onderko vs Lidia | 0–1 | 0.00% |
| Onderko vs Miary Zo | 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.