| Iwin vs Jin | 17–9 | 65.38% |
| Iwin vs Azucena | 7–12 | 36.84% |
| Iwin vs Kazuya | 11–5 | 68.75% |
| Iwin vs Hwoarang | 12–3 | 80.00% |
| Iwin vs Steve | 13–2 | 86.67% |
| Iwin vs Yoshimitsu | 6–7 | 46.15% |
| Iwin vs Bryan | 9–3 | 75.00% |
| Iwin vs Reina | 8–4 | 66.67% |
| Iwin vs Heihachi | 8–3 | 72.73% |
| Iwin vs Law | 6–3 | 66.67% |
| Iwin vs Dragunov | 8–0 | 100.00% |
| Iwin vs Victor | 6–2 | 75.00% |
| Iwin vs Eddy | 7–1 | 87.50% |
| Iwin vs Leo | 5–2 | 71.43% |
| Iwin vs Paul | 6–0 | 100.00% |
| Iwin vs Lars | 4–2 | 66.67% |
| Iwin vs Alisa | 3–3 | 50.00% |
| Iwin vs King | 3–2 | 60.00% |
| Iwin vs Jun | 5–0 | 100.00% |
| Iwin vs Anna | 2–2 | 50.00% |
| Iwin vs Asuka | 3–0 | 100.00% |
| Iwin vs Nina | 1–2 | 33.33% |
| Iwin vs Leroy | 1–2 | 33.33% |
| Iwin vs Feng | 2–0 | 100.00% |
| Iwin vs Lili | 2–0 | 100.00% |
| Iwin vs Shaheen | 2–0 | 100.00% |
| Iwin vs Zafina | 1–1 | 50.00% |
| Iwin vs Armor King | 2–0 | 100.00% |
| Iwin vs Miary Zo | 2–0 | 100.00% |
| Iwin vs Xiaoyu | 1–0 | 100.00% |
| Iwin vs Lee | 1–0 | 100.00% |
| Iwin 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.