| Guachunay vs Kazuya | 89–119 | 42.79% |
| Guachunay vs Jin | 93–75 | 55.36% |
| Guachunay vs King | 68–61 | 52.71% |
| Guachunay vs Bryan | 59–66 | 47.20% |
| Guachunay vs Reina | 67–51 | 56.78% |
| Guachunay vs Hwoarang | 58–58 | 50.00% |
| Guachunay vs Heihachi | 53–48 | 52.48% |
| Guachunay vs Lili | 52–44 | 54.17% |
| Guachunay vs Paul | 44–51 | 46.32% |
| Guachunay vs Law | 43–44 | 49.43% |
| Guachunay vs Yoshimitsu | 38–47 | 44.71% |
| Guachunay vs Dragunov | 41–40 | 50.62% |
| Guachunay vs Steve | 31–36 | 46.27% |
| Guachunay vs Jun | 29–28 | 50.88% |
| Guachunay vs Xiaoyu | 24–30 | 44.44% |
| Guachunay vs Asuka | 25–26 | 49.02% |
| Guachunay vs Lee | 24–23 | 51.06% |
| Guachunay vs Lidia | 28–19 | 59.57% |
| Guachunay vs Nina | 23–23 | 50.00% |
| Guachunay vs Eddy | 29–17 | 63.04% |
| Guachunay vs Victor | 29–16 | 64.44% |
| Guachunay vs Lars | 25–16 | 60.98% |
| Guachunay vs Alisa | 17–22 | 43.59% |
| Guachunay vs Devil Jin | 13–25 | 34.21% |
| Guachunay vs Feng | 14–21 | 40.00% |
| Guachunay vs Azucena | 17–15 | 53.12% |
| Guachunay vs Leroy | 13–17 | 43.33% |
| Guachunay vs Jack-8 | 12–15 | 44.44% |
| Guachunay vs Leo | 17–8 | 68.00% |
| Guachunay vs Clive | 8–14 | 36.36% |
| Guachunay vs Claudio | 8–13 | 38.10% |
| Guachunay vs Shaheen | 8–9 | 47.06% |
| Guachunay vs Zafina | 8–8 | 50.00% |
| Guachunay vs Anna | 10–5 | 66.67% |
| Guachunay vs Raven | 6–8 | 42.86% |
| Guachunay vs Fahkumram | 5–7 | 41.67% |
| Guachunay vs Kuma | 6–5 | 54.55% |
| Guachunay vs Armor King | 4–7 | 36.36% |
| Guachunay vs Panda | 4–0 | 100.00% |
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.