| GuiOttoni vs Kazuya | 47–44 | 51.65% |
| GuiOttoni vs Jin | 42–45 | 48.28% |
| GuiOttoni vs Reina | 50–32 | 60.98% |
| GuiOttoni vs Steve | 36–41 | 46.75% |
| GuiOttoni vs Eddy | 33–33 | 50.00% |
| GuiOttoni vs Law | 36–27 | 57.14% |
| GuiOttoni vs King | 28–35 | 44.44% |
| GuiOttoni vs Lili | 30–20 | 60.00% |
| GuiOttoni vs Dragunov | 25–23 | 52.08% |
| GuiOttoni vs Azucena | 18–24 | 42.86% |
| GuiOttoni vs Heihachi | 26–14 | 65.00% |
| GuiOttoni vs Bryan | 18–20 | 47.37% |
| GuiOttoni vs Hwoarang | 18–16 | 52.94% |
| GuiOttoni vs Asuka | 14–17 | 45.16% |
| GuiOttoni vs Devil Jin | 17–10 | 62.96% |
| GuiOttoni vs Lars | 15–12 | 55.56% |
| GuiOttoni vs Leo | 7–19 | 26.92% |
| GuiOttoni vs Jun | 11–15 | 42.31% |
| GuiOttoni vs Paul | 13–12 | 52.00% |
| GuiOttoni vs Leroy | 15–10 | 60.00% |
| GuiOttoni vs Yoshimitsu | 12–12 | 50.00% |
| GuiOttoni vs Feng | 13–11 | 54.17% |
| GuiOttoni vs Nina | 12–12 | 50.00% |
| GuiOttoni vs Armor King | 12–12 | 50.00% |
| GuiOttoni vs Alisa | 12–11 | 52.17% |
| GuiOttoni vs Claudio | 8–13 | 38.10% |
| GuiOttoni vs Lidia | 5–16 | 23.81% |
| GuiOttoni vs Lee | 6–14 | 30.00% |
| GuiOttoni vs Victor | 11–8 | 57.89% |
| GuiOttoni vs Xiaoyu | 6–11 | 35.29% |
| GuiOttoni vs Jack-8 | 6–9 | 40.00% |
| GuiOttoni vs Miary Zo | 5–7 | 41.67% |
| GuiOttoni vs Raven | 4–6 | 40.00% |
| GuiOttoni vs Fahkumram | 4–6 | 40.00% |
| GuiOttoni vs Zafina | 4–5 | 44.44% |
| GuiOttoni vs Shaheen | 3–3 | 50.00% |
| GuiOttoni vs Kuma | 2–4 | 33.33% |
| GuiOttoni vs Panda | 2–3 | 40.00% |
| GuiOttoni vs Anna | 2–3 | 40.00% |
| GuiOttoni vs Clive | 2–1 | 66.67% |
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.