| SleepyKoala vs King | 60–53 | 53.10% |
| SleepyKoala vs Hwoarang | 45–47 | 48.91% |
| SleepyKoala vs Kazuya | 41–36 | 53.25% |
| SleepyKoala vs Steve | 44–32 | 57.89% |
| SleepyKoala vs Reina | 51–24 | 68.00% |
| SleepyKoala vs Jin | 34–24 | 58.62% |
| SleepyKoala vs Heihachi | 27–29 | 48.21% |
| SleepyKoala vs Dragunov | 29–26 | 52.73% |
| SleepyKoala vs Bryan | 28–19 | 59.57% |
| SleepyKoala vs Law | 20–22 | 47.62% |
| SleepyKoala vs Paul | 18–23 | 43.90% |
| SleepyKoala vs Lili | 20–20 | 50.00% |
| SleepyKoala vs Leroy | 24–16 | 60.00% |
| SleepyKoala vs Lidia | 19–21 | 47.50% |
| SleepyKoala vs Clive | 28–12 | 70.00% |
| SleepyKoala vs Jack-8 | 14–24 | 36.84% |
| SleepyKoala vs Asuka | 25–13 | 65.79% |
| SleepyKoala vs Lars | 21–13 | 61.76% |
| SleepyKoala vs Jun | 16–15 | 51.61% |
| SleepyKoala vs Yoshimitsu | 14–16 | 46.67% |
| SleepyKoala vs Victor | 16–14 | 53.33% |
| SleepyKoala vs Devil Jin | 16–13 | 55.17% |
| SleepyKoala vs Leo | 15–14 | 51.72% |
| SleepyKoala vs Lee | 21–8 | 72.41% |
| SleepyKoala vs Eddy | 11–18 | 37.93% |
| SleepyKoala vs Xiaoyu | 16–12 | 57.14% |
| SleepyKoala vs Azucena | 13–15 | 46.43% |
| SleepyKoala vs Feng | 19–7 | 73.08% |
| SleepyKoala vs Alisa | 12–8 | 60.00% |
| SleepyKoala vs Nina | 10–10 | 50.00% |
| SleepyKoala vs Miary Zo | 12–8 | 60.00% |
| SleepyKoala vs Fahkumram | 10–8 | 55.56% |
| SleepyKoala vs Claudio | 8–9 | 47.06% |
| SleepyKoala vs Shaheen | 9–6 | 60.00% |
| SleepyKoala vs Kuma | 5–7 | 41.67% |
| SleepyKoala vs Raven | 7–4 | 63.64% |
| SleepyKoala vs Panda | 5–4 | 55.56% |
| SleepyKoala vs Anna | 6–3 | 66.67% |
| SleepyKoala vs Zafina | 1–7 | 12.50% |
| SleepyKoala vs Armor King | 2–3 | 40.00% |
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.