| Diddley vs Jin | 20–28 | 41.67% |
| Diddley vs Kazuya | 18–23 | 43.90% |
| Diddley vs Bryan | 21–16 | 56.76% |
| Diddley vs King | 19–17 | 52.78% |
| Diddley vs Reina | 16–15 | 51.61% |
| Diddley vs Yoshimitsu | 13–13 | 50.00% |
| Diddley vs Dragunov | 8–18 | 30.77% |
| Diddley vs Law | 15–10 | 60.00% |
| Diddley vs Paul | 9–12 | 42.86% |
| Diddley vs Nina | 7–11 | 38.89% |
| Diddley vs Hwoarang | 4–11 | 26.67% |
| Diddley vs Asuka | 8–7 | 53.33% |
| Diddley vs Feng | 6–9 | 40.00% |
| Diddley vs Lars | 9–6 | 60.00% |
| Diddley vs Azucena | 5–10 | 33.33% |
| Diddley vs Lili | 8–6 | 57.14% |
| Diddley vs Victor | 7–7 | 50.00% |
| Diddley vs Steve | 9–3 | 75.00% |
| Diddley vs Alisa | 4–8 | 33.33% |
| Diddley vs Lee | 4–8 | 33.33% |
| Diddley vs Leroy | 7–5 | 58.33% |
| Diddley vs Devil Jin | 5–6 | 45.45% |
| Diddley vs Xiaoyu | 5–4 | 55.56% |
| Diddley vs Raven | 4–5 | 44.44% |
| Diddley vs Leo | 2–6 | 25.00% |
| Diddley vs Eddy | 1–7 | 12.50% |
| Diddley vs Zafina | 2–5 | 28.57% |
| Diddley vs Jun | 5–2 | 71.43% |
| Diddley vs Shaheen | 2–4 | 33.33% |
| Diddley vs Kuma | 2–4 | 33.33% |
| Diddley vs Jack-8 | 0–4 | 0.00% |
| Diddley vs Claudio | 3–1 | 75.00% |
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.