| Sleepy vs Kazuya | 3–12 | 20.00% |
| Sleepy vs Clive | 9–5 | 64.29% |
| Sleepy vs Steve | 2–10 | 16.67% |
| Sleepy vs Jin | 8–3 | 72.73% |
| Sleepy vs Hwoarang | 6–4 | 60.00% |
| Sleepy vs Reina | 8–2 | 80.00% |
| Sleepy vs Bryan | 7–2 | 77.78% |
| Sleepy vs King | 3–4 | 42.86% |
| Sleepy vs Lili | 7–0 | 100.00% |
| Sleepy vs Claudio | 4–3 | 57.14% |
| Sleepy vs Nina | 3–4 | 42.86% |
| Sleepy vs Asuka | 2–4 | 33.33% |
| Sleepy vs Leroy | 5–1 | 83.33% |
| Sleepy vs Lidia | 5–1 | 83.33% |
| Sleepy vs Paul | 1–4 | 20.00% |
| Sleepy vs Law | 2–3 | 40.00% |
| Sleepy vs Dragunov | 4–0 | 100.00% |
| Sleepy vs Zafina | 1–3 | 25.00% |
| Sleepy vs Azucena | 2–2 | 50.00% |
| Sleepy vs Victor | 2–2 | 50.00% |
| Sleepy vs Jack-8 | 0–3 | 0.00% |
| Sleepy vs Leo | 1–2 | 33.33% |
| Sleepy vs Lars | 2–1 | 66.67% |
| Sleepy vs Alisa | 1–2 | 33.33% |
| Sleepy vs Lee | 3–0 | 100.00% |
| Sleepy vs Eddy | 1–2 | 33.33% |
| Sleepy vs Heihachi | 2–1 | 66.67% |
| Sleepy vs Xiaoyu | 0–2 | 0.00% |
| Sleepy vs Devil Jin | 1–1 | 50.00% |
| Sleepy vs Feng | 0–2 | 0.00% |
| Sleepy vs Jun | 0–2 | 0.00% |
| Sleepy vs Yoshimitsu | 1–0 | 100.00% |
| Sleepy vs Kuma | 1–0 | 100.00% |
| Sleepy vs Panda | 0–1 | 0.00% |
| Sleepy vs Anna | 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.