| Iowayyed vs Jin | 8–10 | 44.44% |
| Iowayyed vs Law | 7–9 | 43.75% |
| Iowayyed vs Heihachi | 13–2 | 86.67% |
| Iowayyed vs King | 10–4 | 71.43% |
| Iowayyed vs Kazuya | 7–5 | 58.33% |
| Iowayyed vs Bryan | 7–3 | 70.00% |
| Iowayyed vs Dragunov | 6–3 | 66.67% |
| Iowayyed vs Jun | 6–2 | 75.00% |
| Iowayyed vs Yoshimitsu | 5–2 | 71.43% |
| Iowayyed vs Paul | 2–4 | 33.33% |
| Iowayyed vs Steve | 5–1 | 83.33% |
| Iowayyed vs Feng | 2–4 | 33.33% |
| Iowayyed vs Lili | 4–2 | 66.67% |
| Iowayyed vs Lidia | 2–4 | 33.33% |
| Iowayyed vs Anna | 3–3 | 50.00% |
| Iowayyed vs Jack-8 | 2–3 | 40.00% |
| Iowayyed vs Zafina | 1–4 | 20.00% |
| Iowayyed vs Devil Jin | 0–4 | 0.00% |
| Iowayyed vs Azucena | 4–0 | 100.00% |
| Iowayyed vs Victor | 4–0 | 100.00% |
| Iowayyed vs Clive | 4–0 | 100.00% |
| Iowayyed vs Hwoarang | 3–0 | 100.00% |
| Iowayyed vs Reina | 2–1 | 66.67% |
| Iowayyed vs Claudio | 0–2 | 0.00% |
| Iowayyed vs Nina | 2–0 | 100.00% |
| Iowayyed vs Leo | 1–0 | 100.00% |
| Iowayyed vs Lars | 1–0 | 100.00% |
| Iowayyed vs Lee | 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.