| GuessWhoSBack vs Reina | 14–15 | 48.28% |
| GuessWhoSBack vs Jin | 10–15 | 40.00% |
| GuessWhoSBack vs Kazuya | 9–14 | 39.13% |
| GuessWhoSBack vs Law | 13–8 | 61.90% |
| GuessWhoSBack vs Steve | 8–12 | 40.00% |
| GuessWhoSBack vs King | 9–9 | 50.00% |
| GuessWhoSBack vs Lidia | 8–10 | 44.44% |
| GuessWhoSBack vs Bryan | 5–12 | 29.41% |
| GuessWhoSBack vs Heihachi | 6–10 | 37.50% |
| GuessWhoSBack vs Lars | 6–8 | 42.86% |
| GuessWhoSBack vs Dragunov | 8–5 | 61.54% |
| GuessWhoSBack vs Hwoarang | 7–5 | 58.33% |
| GuessWhoSBack vs Jun | 7–5 | 58.33% |
| GuessWhoSBack vs Lili | 4–7 | 36.36% |
| GuessWhoSBack vs Feng | 3–6 | 33.33% |
| GuessWhoSBack vs Eddy | 4–5 | 44.44% |
| GuessWhoSBack vs Devil Jin | 4–4 | 50.00% |
| GuessWhoSBack vs Kuma | 2–6 | 25.00% |
| GuessWhoSBack vs Xiaoyu | 5–2 | 71.43% |
| GuessWhoSBack vs Asuka | 3–3 | 50.00% |
| GuessWhoSBack vs Lee | 2–4 | 33.33% |
| GuessWhoSBack vs Raven | 4–2 | 66.67% |
| GuessWhoSBack vs Jack-8 | 2–3 | 40.00% |
| GuessWhoSBack vs Shaheen | 3–2 | 60.00% |
| GuessWhoSBack vs Nina | 4–1 | 80.00% |
| GuessWhoSBack vs Azucena | 3–2 | 60.00% |
| GuessWhoSBack vs Leo | 1–2 | 33.33% |
| GuessWhoSBack vs Claudio | 1–2 | 33.33% |
| GuessWhoSBack vs Victor | 2–1 | 66.67% |
| GuessWhoSBack vs Yoshimitsu | 2–0 | 100.00% |
| GuessWhoSBack vs Zafina | 0–2 | 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.