| Guidetti vs Kazuya | 340–289 | 54.05% |
| Guidetti vs Jin | 240–239 | 50.10% |
| Guidetti vs Hwoarang | 195–229 | 45.99% |
| Guidetti vs Bryan | 211–211 | 50.00% |
| Guidetti vs King | 197–214 | 47.93% |
| Guidetti vs Paul | 150–187 | 44.51% |
| Guidetti vs Law | 146–185 | 44.11% |
| Guidetti vs Reina | 176–150 | 53.99% |
| Guidetti vs Steve | 177–134 | 56.91% |
| Guidetti vs Heihachi | 128–166 | 43.54% |
| Guidetti vs Dragunov | 137–148 | 48.07% |
| Guidetti vs Yoshimitsu | 152–130–1 | 53.90% |
| Guidetti vs Lili | 115–126 | 47.72% |
| Guidetti vs Lee | 93–121 | 43.46% |
| Guidetti vs Devil Jin | 85–123 | 40.87% |
| Guidetti vs Jun | 114–94 | 54.81% |
| Guidetti vs Azucena | 85–99 | 46.20% |
| Guidetti vs Armor King | 78–101 | 43.58% |
| Guidetti vs Xiaoyu | 86–68 | 55.84% |
| Guidetti vs Asuka | 81–69 | 54.00% |
| Guidetti vs Feng | 58–91 | 38.93% |
| Guidetti vs Lars | 54–80 | 40.30% |
| Guidetti vs Alisa | 54–80 | 40.30% |
| Guidetti vs Nina | 64–70 | 47.76% |
| Guidetti vs Lidia | 58–63 | 47.93% |
| Guidetti vs Eddy | 54–63 | 46.15% |
| Guidetti vs Victor | 45–65 | 40.91% |
| Guidetti vs Claudio | 39–56 | 41.05% |
| Guidetti vs Clive | 41–50 | 45.05% |
| Guidetti vs Leroy | 38–51 | 42.70% |
| Guidetti vs Leo | 44–42 | 51.16% |
| Guidetti vs Fahkumram | 42–44 | 48.84% |
| Guidetti vs Raven | 33–40 | 45.21% |
| Guidetti vs Jack-8 | 25–39 | 39.06% |
| Guidetti vs Miary Zo | 30–24 | 55.56% |
| Guidetti vs Kuma | 30–18 | 62.50% |
| Guidetti vs Shaheen | 21–24 | 46.67% |
| Guidetti vs Zafina | 15–25 | 37.50% |
| Guidetti vs Anna | 15–23 | 39.47% |
| Guidetti vs Panda | 6–13 | 31.58% |
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.