| Guidetti vs Kazuya | 307–265 | 53.67% |
| Guidetti vs Jin | 222–220 | 50.23% |
| Guidetti vs Hwoarang | 190–213 | 47.15% |
| Guidetti vs Bryan | 187–193 | 49.21% |
| Guidetti vs King | 178–196 | 47.59% |
| Guidetti vs Law | 127–170 | 42.76% |
| Guidetti vs Reina | 163–134 | 54.88% |
| Guidetti vs Paul | 123–155 | 44.24% |
| Guidetti vs Steve | 159–114 | 58.24% |
| Guidetti vs Dragunov | 130–132 | 49.62% |
| Guidetti vs Heihachi | 113–148 | 43.30% |
| Guidetti vs Yoshimitsu | 139–116–1 | 54.51% |
| Guidetti vs Lili | 108–109 | 49.77% |
| Guidetti vs Jun | 113–91 | 55.39% |
| Guidetti vs Devil Jin | 79–119 | 39.90% |
| Guidetti vs Lee | 80–113 | 41.45% |
| Guidetti vs Azucena | 77–98 | 44.00% |
| Guidetti vs Xiaoyu | 84–63 | 57.14% |
| Guidetti vs Asuka | 79–65 | 54.86% |
| Guidetti vs Feng | 54–87 | 38.30% |
| Guidetti vs Alisa | 53–77 | 40.77% |
| Guidetti vs Lars | 49–75 | 39.52% |
| Guidetti vs Armor King | 52–71 | 42.28% |
| Guidetti vs Nina | 59–61 | 49.17% |
| Guidetti vs Lidia | 50–60 | 45.45% |
| Guidetti vs Victor | 40–59 | 40.40% |
| Guidetti vs Eddy | 48–51 | 48.48% |
| Guidetti vs Leo | 42–40 | 51.22% |
| Guidetti vs Claudio | 31–51 | 37.80% |
| Guidetti vs Clive | 37–45 | 45.12% |
| Guidetti vs Leroy | 32–47 | 40.51% |
| Guidetti vs Fahkumram | 36–35 | 50.70% |
| Guidetti vs Raven | 31–36 | 46.27% |
| Guidetti vs Jack-8 | 19–36 | 34.55% |
| Guidetti vs Kuma | 27–16 | 62.79% |
| Guidetti vs Shaheen | 19–22 | 46.34% |
| Guidetti vs Miary Zo | 23–16 | 58.97% |
| Guidetti vs Zafina | 15–23 | 39.47% |
| Guidetti vs Anna | 14–23 | 37.84% |
| Guidetti vs Panda | 2–9 | 18.18% |
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.