| Yoshizuki_Iori vs Reina | 15–10 | 60.00% |
| Yoshizuki_Iori vs Paul | 17–7 | 70.83% |
| Yoshizuki_Iori vs Kazuya | 23–1 | 95.83% |
| Yoshizuki_Iori vs Devil Jin | 18–4 | 81.82% |
| Yoshizuki_Iori vs Lili | 16–6 | 72.73% |
| Yoshizuki_Iori vs Asuka | 11–5 | 68.75% |
| Yoshizuki_Iori vs Dragunov | 14–2 | 87.50% |
| Yoshizuki_Iori vs Claudio | 14–2 | 87.50% |
| Yoshizuki_Iori vs King | 11–4 | 73.33% |
| Yoshizuki_Iori vs Hwoarang | 12–3 | 80.00% |
| Yoshizuki_Iori vs Jin | 12–3 | 80.00% |
| Yoshizuki_Iori vs Bryan | 12–3 | 80.00% |
| Yoshizuki_Iori vs Jun | 11–4 | 73.33% |
| Yoshizuki_Iori vs Lars | 11–3 | 78.57% |
| Yoshizuki_Iori vs Victor | 10–4 | 71.43% |
| Yoshizuki_Iori vs Steve | 9–2 | 81.82% |
| Yoshizuki_Iori vs Leroy | 8–3 | 72.73% |
| Yoshizuki_Iori vs Law | 8–1 | 88.89% |
| Yoshizuki_Iori vs Yoshimitsu | 9–0 | 100.00% |
| Yoshizuki_Iori vs Nina | 7–2 | 77.78% |
| Yoshizuki_Iori vs Alisa | 8–0 | 100.00% |
| Yoshizuki_Iori vs Eddy | 1–7 | 12.50% |
| Yoshizuki_Iori vs Jack-8 | 6–1 | 85.71% |
| Yoshizuki_Iori vs Feng | 7–0 | 100.00% |
| Yoshizuki_Iori vs Leo | 4–2 | 66.67% |
| Yoshizuki_Iori vs Kuma | 6–0 | 100.00% |
| Yoshizuki_Iori vs Anna | 6–0 | 100.00% |
| Yoshizuki_Iori vs Azucena | 5–0 | 100.00% |
| Yoshizuki_Iori vs Shaheen | 3–1 | 75.00% |
| Yoshizuki_Iori vs Zafina | 4–0 | 100.00% |
| Yoshizuki_Iori vs Lee | 2–1 | 66.67% |
| Yoshizuki_Iori vs Lidia | 3–0 | 100.00% |
| Yoshizuki_Iori vs Heihachi | 2–1 | 66.67% |
| Yoshizuki_Iori vs Xiaoyu | 1–0 | 100.00% |
| Yoshizuki_Iori vs Raven | 1–0 | 100.00% |
| Yoshizuki_Iori vs Clive | 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.