| Sonnyboy vs Jin | 47–63 | 42.73% |
| Sonnyboy vs Kazuya | 46–64 | 41.82% |
| Sonnyboy vs King | 45–60 | 42.86% |
| Sonnyboy vs Hwoarang | 36–48 | 42.86% |
| Sonnyboy vs Law | 29–44 | 39.73% |
| Sonnyboy vs Steve | 48–25 | 65.75% |
| Sonnyboy vs Armor King | 38–28 | 57.58% |
| Sonnyboy vs Lee | 22–38 | 36.67% |
| Sonnyboy vs Dragunov | 28–31 | 47.46% |
| Sonnyboy vs Jun | 35–24 | 59.32% |
| Sonnyboy vs Bryan | 13–45 | 22.41% |
| Sonnyboy vs Heihachi | 26–31 | 45.61% |
| Sonnyboy vs Reina | 26–29 | 47.27% |
| Sonnyboy vs Miary Zo | 20–30 | 40.00% |
| Sonnyboy vs Eddy | 19–29 | 39.58% |
| Sonnyboy vs Yoshimitsu | 16–30 | 34.78% |
| Sonnyboy vs Lars | 22–23 | 48.89% |
| Sonnyboy vs Lili | 21–22 | 48.84% |
| Sonnyboy vs Azucena | 19–22 | 46.34% |
| Sonnyboy vs Jack-8 | 13–22 | 37.14% |
| Sonnyboy vs Asuka | 13–22 | 37.14% |
| Sonnyboy vs Victor | 13–19 | 40.62% |
| Sonnyboy vs Paul | 10–19 | 34.48% |
| Sonnyboy vs Leo | 9–20 | 31.03% |
| Sonnyboy vs Leroy | 15–14 | 51.72% |
| Sonnyboy vs Fahkumram | 12–15 | 44.44% |
| Sonnyboy vs Devil Jin | 9–17 | 34.62% |
| Sonnyboy vs Nina | 8–18 | 30.77% |
| Sonnyboy vs Lidia | 11–14 | 44.00% |
| Sonnyboy vs Xiaoyu | 11–9 | 55.00% |
| Sonnyboy vs Feng | 11–9 | 55.00% |
| Sonnyboy vs Claudio | 6–14 | 30.00% |
| Sonnyboy vs Clive | 12–6 | 66.67% |
| Sonnyboy vs Anna | 7–11 | 38.89% |
| Sonnyboy vs Raven | 7–9 | 43.75% |
| Sonnyboy vs Shaheen | 6–8 | 42.86% |
| Sonnyboy vs Zafina | 6–6 | 50.00% |
| Sonnyboy vs Alisa | 1–4 | 20.00% |
| Sonnyboy vs Kuma | 2–1 | 66.67% |
| Sonnyboy vs Panda | 0–3 | 0.00% |
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.