| sleepy isza vs Kazuya | 36–53 | 40.45% |
| sleepy isza vs King | 32–44 | 42.11% |
| sleepy isza vs Jin | 40–35 | 53.33% |
| sleepy isza vs Steve | 25–32 | 43.86% |
| sleepy isza vs Bryan | 31–25 | 55.36% |
| sleepy isza vs Reina | 23–26 | 46.94% |
| sleepy isza vs Hwoarang | 19–28 | 40.43% |
| sleepy isza vs Jun | 17–28 | 37.78% |
| sleepy isza vs Yoshimitsu | 22–18 | 55.00% |
| sleepy isza vs Lili | 14–26 | 35.00% |
| sleepy isza vs Eddy | 12–23 | 34.29% |
| sleepy isza vs Heihachi | 17–17 | 50.00% |
| sleepy isza vs Azucena | 18–15 | 54.55% |
| sleepy isza vs Law | 12–20 | 37.50% |
| sleepy isza vs Asuka | 11–19–1 | 36.67% |
| sleepy isza vs Devil Jin | 12–16 | 42.86% |
| sleepy isza vs Dragunov | 12–15 | 44.44% |
| sleepy isza vs Leo | 9–15 | 37.50% |
| sleepy isza vs Victor | 9–15 | 37.50% |
| sleepy isza vs Lidia | 13–11 | 54.17% |
| sleepy isza vs Nina | 7–15 | 31.82% |
| sleepy isza vs Leroy | 11–10 | 52.38% |
| sleepy isza vs Paul | 6–12 | 33.33% |
| sleepy isza vs Jack-8 | 11–6 | 64.71% |
| sleepy isza vs Alisa | 4–12 | 25.00% |
| sleepy isza vs Lars | 5–10 | 33.33% |
| sleepy isza vs Raven | 7–8 | 46.67% |
| sleepy isza vs Kuma | 2–12 | 14.29% |
| sleepy isza vs Xiaoyu | 6–6 | 50.00% |
| sleepy isza vs Feng | 2–10 | 16.67% |
| sleepy isza vs Clive | 2–9 | 18.18% |
| sleepy isza vs Lee | 1–9 | 10.00% |
| sleepy isza vs Zafina | 6–4 | 60.00% |
| sleepy isza vs Shaheen | 3–5 | 37.50% |
| sleepy isza vs Claudio | 4–3 | 57.14% |
| sleepy isza vs Panda | 2–4 | 33.33% |
| sleepy isza vs Fahkumram | 1–4 | 20.00% |
| sleepy isza vs Anna | 1–2 | 33.33% |
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.