| Old_Macdonald vs King | 35–23 | 60.34% |
| Old_Macdonald vs Dragunov | 36–19 | 65.45% |
| Old_Macdonald vs Victor | 22–28 | 44.00% |
| Old_Macdonald vs Jin | 24–20 | 54.55% |
| Old_Macdonald vs Hwoarang | 32–10 | 76.19% |
| Old_Macdonald vs Kazuya | 22–17 | 56.41% |
| Old_Macdonald vs Bryan | 18–20 | 47.37% |
| Old_Macdonald vs Feng | 22–16 | 57.89% |
| Old_Macdonald vs Lili | 21–11 | 65.62% |
| Old_Macdonald vs Reina | 16–16 | 50.00% |
| Old_Macdonald vs Paul | 18–13 | 58.06% |
| Old_Macdonald vs Eddy | 12–18 | 40.00% |
| Old_Macdonald vs Steve | 15–14 | 51.72% |
| Old_Macdonald vs Asuka | 19–6 | 76.00% |
| Old_Macdonald vs Xiaoyu | 16–8 | 66.67% |
| Old_Macdonald vs Yoshimitsu | 4–19 | 17.39% |
| Old_Macdonald vs Alisa | 13–9 | 59.09% |
| Old_Macdonald vs Azucena | 11–11 | 50.00% |
| Old_Macdonald vs Devil Jin | 10–11 | 47.62% |
| Old_Macdonald vs Lee | 8–13 | 38.10% |
| Old_Macdonald vs Jun | 10–11 | 47.62% |
| Old_Macdonald vs Jack-8 | 11–9 | 55.00% |
| Old_Macdonald vs Claudio | 10–10 | 50.00% |
| Old_Macdonald vs Law | 8–11 | 42.11% |
| Old_Macdonald vs Leo | 9–9 | 50.00% |
| Old_Macdonald vs Nina | 10–6 | 62.50% |
| Old_Macdonald vs Leroy | 6–9 | 40.00% |
| Old_Macdonald vs Lars | 6–7 | 46.15% |
| Old_Macdonald vs Kuma | 7–4 | 63.64% |
| Old_Macdonald vs Fahkumram | 3–7 | 30.00% |
| Old_Macdonald vs Shaheen | 7–2 | 77.78% |
| Old_Macdonald vs Zafina | 3–6 | 33.33% |
| Old_Macdonald vs Heihachi | 3–6 | 33.33% |
| Old_Macdonald vs Raven | 6–2 | 75.00% |
| Old_Macdonald vs Clive | 6–1 | 85.71% |
| Old_Macdonald vs Anna | 5–2 | 71.43% |
| Old_Macdonald vs Lidia | 4–2 | 66.67% |
| Old_Macdonald vs Panda | 2–3 | 40.00% |
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.