| Diddy vs King | 42–35 | 54.55% |
| Diddy vs Bryan | 26–40 | 39.39% |
| Diddy vs Kazuya | 40–25 | 61.54% |
| Diddy vs Jin | 28–34 | 45.16% |
| Diddy vs Armor King | 29–26 | 52.73% |
| Diddy vs Law | 26–26 | 50.00% |
| Diddy vs Hwoarang | 26–17 | 60.47% |
| Diddy vs Paul | 24–17 | 58.54% |
| Diddy vs Steve | 20–18 | 52.63% |
| Diddy vs Victor | 19–17 | 52.78% |
| Diddy vs Yoshimitsu | 12–15 | 44.44% |
| Diddy vs Dragunov | 9–16 | 36.00% |
| Diddy vs Eddy | 8–15 | 34.78% |
| Diddy vs Asuka | 11–11 | 50.00% |
| Diddy vs Nina | 12–10 | 54.55% |
| Diddy vs Jun | 5–16 | 23.81% |
| Diddy vs Devil Jin | 12–6 | 66.67% |
| Diddy vs Alisa | 8–10 | 44.44% |
| Diddy vs Lars | 12–5 | 70.59% |
| Diddy vs Heihachi | 8–8 | 50.00% |
| Diddy vs Fahkumram | 5–10 | 33.33% |
| Diddy vs Miary Zo | 8–7 | 53.33% |
| Diddy vs Lili | 6–6 | 50.00% |
| Diddy vs Reina | 8–4 | 66.67% |
| Diddy vs Leo | 4–7 | 36.36% |
| Diddy vs Azucena | 7–4 | 63.64% |
| Diddy vs Clive | 6–4 | 60.00% |
| Diddy vs Kuma | 5–4 | 55.56% |
| Diddy vs Lee | 6–2 | 75.00% |
| Diddy vs Xiaoyu | 2–4 | 33.33% |
| Diddy vs Anna | 3–3 | 50.00% |
| Diddy vs Jack-8 | 1–4 | 20.00% |
| Diddy vs Feng | 1–4 | 20.00% |
| Diddy vs Claudio | 3–1 | 75.00% |
| Diddy vs Zafina | 2–1 | 66.67% |
| Diddy vs Shaheen | 0–2 | 0.00% |
| Diddy vs Leroy | 0–2 | 0.00% |
| Diddy vs Lidia | 1–1 | 50.00% |
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.