| Sleepysion vs Kazuya | 28–68 | 29.17% |
| Sleepysion vs Jin | 30–53 | 36.14% |
| Sleepysion vs King | 36–46 | 43.90% |
| Sleepysion vs Armor King | 39–38 | 50.65% |
| Sleepysion vs Law | 17–52 | 24.64% |
| Sleepysion vs Steve | 35–29 | 54.69% |
| Sleepysion vs Fahkumram | 18–46 | 28.12% |
| Sleepysion vs Lili | 21–34 | 38.18% |
| Sleepysion vs Hwoarang | 24–28 | 46.15% |
| Sleepysion vs Eddy | 25–26 | 49.02% |
| Sleepysion vs Reina | 24–21 | 53.33% |
| Sleepysion vs Heihachi | 19–25 | 43.18% |
| Sleepysion vs Bryan | 16–26 | 38.10% |
| Sleepysion vs Dragunov | 12–29 | 29.27% |
| Sleepysion vs Asuka | 19–20 | 48.72% |
| Sleepysion vs Paul | 14–21 | 40.00% |
| Sleepysion vs Lee | 16–18 | 47.06% |
| Sleepysion vs Jack-8 | 12–18 | 40.00% |
| Sleepysion vs Clive | 17–13 | 56.67% |
| Sleepysion vs Miary Zo | 8–22 | 26.67% |
| Sleepysion vs Yoshimitsu | 10–17 | 37.04% |
| Sleepysion vs Lars | 11–16 | 40.74% |
| Sleepysion vs Victor | 5–22 | 18.52% |
| Sleepysion vs Anna | 5–21 | 19.23% |
| Sleepysion vs Jun | 10–15 | 40.00% |
| Sleepysion vs Devil Jin | 10–14 | 41.67% |
| Sleepysion vs Feng | 8–15 | 34.78% |
| Sleepysion vs Azucena | 9–13 | 40.91% |
| Sleepysion vs Nina | 8–11 | 42.11% |
| Sleepysion vs Xiaoyu | 9–9 | 50.00% |
| Sleepysion vs Lidia | 11–4 | 73.33% |
| Sleepysion vs Leo | 5–9 | 35.71% |
| Sleepysion vs Raven | 6–8 | 42.86% |
| Sleepysion vs Claudio | 5–8 | 38.46% |
| Sleepysion vs Leroy | 6–7 | 46.15% |
| Sleepysion vs Shaheen | 5–7 | 41.67% |
| Sleepysion vs Alisa | 6–4 | 60.00% |
| Sleepysion vs Panda | 4–4 | 50.00% |
| Sleepysion vs Zafina | 7–1 | 87.50% |
| Sleepysion vs Kuma | 2–5 | 28.57% |
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.