| Piedini vs Kazuya | 64–45 | 58.72% |
| Piedini vs Armor King | 44–41 | 51.76% |
| Piedini vs Reina | 44–40 | 52.38% |
| Piedini vs Jin | 45–33 | 57.69% |
| Piedini vs Heihachi | 44–22 | 66.67% |
| Piedini vs Hwoarang | 32–29 | 52.46% |
| Piedini vs Bryan | 35–26 | 57.38% |
| Piedini vs King | 39–17 | 69.64% |
| Piedini vs Paul | 36–19 | 65.45% |
| Piedini vs Law | 32–14 | 69.57% |
| Piedini vs Lee | 23–23 | 50.00% |
| Piedini vs Dragunov | 25–18 | 58.14% |
| Piedini vs Fahkumram | 20–23 | 46.51% |
| Piedini vs Steve | 26–16 | 61.90% |
| Piedini vs Jun | 17–19 | 47.22% |
| Piedini vs Devil Jin | 17–16 | 51.52% |
| Piedini vs Yoshimitsu | 16–14 | 53.33% |
| Piedini vs Asuka | 19–10 | 65.52% |
| Piedini vs Eddy | 13–15 | 46.43% |
| Piedini vs Lili | 14–10 | 58.33% |
| Piedini vs Nina | 10–10 | 50.00% |
| Piedini vs Jack-8 | 12–5 | 70.59% |
| Piedini vs Victor | 12–5 | 70.59% |
| Piedini vs Clive | 10–6 | 62.50% |
| Piedini vs Xiaoyu | 6–9 | 40.00% |
| Piedini vs Lars | 6–8 | 42.86% |
| Piedini vs Raven | 4–10 | 28.57% |
| Piedini vs Lidia | 5–9 | 35.71% |
| Piedini vs Anna | 5–8 | 38.46% |
| Piedini vs Azucena | 7–5 | 58.33% |
| Piedini vs Alisa | 5–5 | 50.00% |
| Piedini vs Claudio | 7–2 | 77.78% |
| Piedini vs Feng | 5–2 | 71.43% |
| Piedini vs Miary Zo | 4–3 | 57.14% |
| Piedini vs Leo | 3–3 | 50.00% |
| Piedini vs Zafina | 4–2 | 66.67% |
| Piedini vs Leroy | 3–3 | 50.00% |
| Piedini vs Panda | 2–2 | 50.00% |
| Piedini vs Kuma | 1–1 | 50.00% |
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.