| OP Old-Head vs Jin | 53–42 | 55.79% |
| OP Old-Head vs Kazuya | 58–35 | 62.37% |
| OP Old-Head vs Steve | 38–39 | 49.35% |
| OP Old-Head vs Law | 37–37 | 50.00% |
| OP Old-Head vs Reina | 37–31 | 54.41% |
| OP Old-Head vs Bryan | 42–25 | 62.69% |
| OP Old-Head vs Hwoarang | 29–34 | 46.03% |
| OP Old-Head vs King | 27–32 | 45.76% |
| OP Old-Head vs Jun | 31–28 | 52.54% |
| OP Old-Head vs Fahkumram | 21–25 | 45.65% |
| OP Old-Head vs Yoshimitsu | 20–24 | 45.45% |
| OP Old-Head vs Azucena | 19–23 | 45.24% |
| OP Old-Head vs Lili | 16–23 | 41.03% |
| OP Old-Head vs Asuka | 15–21 | 41.67% |
| OP Old-Head vs Lars | 17–19 | 47.22% |
| OP Old-Head vs Eddy | 8–27 | 22.86% |
| OP Old-Head vs Paul | 10–22 | 31.25% |
| OP Old-Head vs Victor | 13–18 | 41.94% |
| OP Old-Head vs Devil Jin | 14–16 | 46.67% |
| OP Old-Head vs Feng | 13–17 | 43.33% |
| OP Old-Head vs Xiaoyu | 14–14 | 50.00% |
| OP Old-Head vs Dragunov | 10–17 | 37.04% |
| OP Old-Head vs Alisa | 6–16 | 27.27% |
| OP Old-Head vs Lee | 10–12 | 45.45% |
| OP Old-Head vs Lidia | 6–16 | 27.27% |
| OP Old-Head vs Claudio | 10–10 | 50.00% |
| OP Old-Head vs Nina | 14–6 | 70.00% |
| OP Old-Head vs Leroy | 15–5 | 75.00% |
| OP Old-Head vs Heihachi | 8–12 | 40.00% |
| OP Old-Head vs Leo | 9–9 | 50.00% |
| OP Old-Head vs Raven | 7–11 | 38.89% |
| OP Old-Head vs Jack-8 | 3–9 | 25.00% |
| OP Old-Head vs Panda | 3–8 | 27.27% |
| OP Old-Head vs Anna | 3–7 | 30.00% |
| OP Old-Head vs Zafina | 5–3 | 62.50% |
| OP Old-Head vs Kuma | 1–6 | 14.29% |
| OP Old-Head vs Shaheen | 2–4 | 33.33% |
| OP Old-Head vs Clive | 2–4 | 33.33% |
| OP Old-Head vs Miary Zo | 2–1 | 66.67% |
| OP Old-Head vs Armor King | 0–1 | 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.