| Sapinighi vs Jin | 19–14 | 57.58% |
| Sapinighi vs King | 13–5 | 72.22% |
| Sapinighi vs Hwoarang | 15–3 | 83.33% |
| Sapinighi vs Feng | 14–1 | 93.33% |
| Sapinighi vs Lili | 11–4 | 73.33% |
| Sapinighi vs Law | 14–0 | 100.00% |
| Sapinighi vs Kazuya | 12–2 | 85.71% |
| Sapinighi vs Dragunov | 11–2 | 84.62% |
| Sapinighi vs Steve | 9–3 | 75.00% |
| Sapinighi vs Paul | 11–0 | 100.00% |
| Sapinighi vs Jun | 6–5 | 54.55% |
| Sapinighi vs Bryan | 8–2 | 80.00% |
| Sapinighi vs Lee | 5–5 | 50.00% |
| Sapinighi vs Raven | 6–4 | 60.00% |
| Sapinighi vs Yoshimitsu | 9–0 | 100.00% |
| Sapinighi vs Victor | 4–5 | 44.44% |
| Sapinighi vs Nina | 7–1 | 87.50% |
| Sapinighi vs Leroy | 6–2 | 75.00% |
| Sapinighi vs Fahkumram | 6–2 | 75.00% |
| Sapinighi vs Xiaoyu | 2–4 | 33.33% |
| Sapinighi vs Devil Jin | 4–2 | 66.67% |
| Sapinighi vs Alisa | 4–2 | 66.67% |
| Sapinighi vs Reina | 6–0 | 100.00% |
| Sapinighi vs Azucena | 0–6 | 0.00% |
| Sapinighi vs Eddy | 4–2 | 66.67% |
| Sapinighi vs Lidia | 6–0 | 100.00% |
| Sapinighi vs Asuka | 3–2 | 60.00% |
| Sapinighi vs Leo | 3–2 | 60.00% |
| Sapinighi vs Lars | 1–3 | 25.00% |
| Sapinighi vs Jack-8 | 2–0 | 100.00% |
| Sapinighi vs Claudio | 2–0 | 100.00% |
| Sapinighi vs Heihachi | 0–2 | 0.00% |
| Sapinighi vs Clive | 2–0 | 100.00% |
| Sapinighi vs Panda | 1–0 | 100.00% |
| Sapinighi vs Zafina | 1–0 | 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.