| Iota02 vs Kazuya | 32–11 | 74.42% |
| Iota02 vs King | 23–18 | 56.10% |
| Iota02 vs Hwoarang | 18–15 | 54.55% |
| Iota02 vs Jin | 19–13 | 59.38% |
| Iota02 vs Lars | 18–13 | 58.06% |
| Iota02 vs Reina | 20–9 | 68.97% |
| Iota02 vs Jun | 17–11 | 60.71% |
| Iota02 vs Lidia | 19–9 | 67.86% |
| Iota02 vs Law | 12–14 | 46.15% |
| Iota02 vs Azucena | 15–10 | 60.00% |
| Iota02 vs Yoshimitsu | 15–8 | 65.22% |
| Iota02 vs Steve | 12–11 | 52.17% |
| Iota02 vs Lili | 16–7 | 69.57% |
| Iota02 vs Lee | 14–8 | 63.64% |
| Iota02 vs Dragunov | 9–12 | 42.86% |
| Iota02 vs Eddy | 10–9 | 52.63% |
| Iota02 vs Paul | 10–8 | 55.56% |
| Iota02 vs Bryan | 6–11 | 35.29% |
| Iota02 vs Devil Jin | 11–6 | 64.71% |
| Iota02 vs Xiaoyu | 7–8 | 46.67% |
| Iota02 vs Jack-8 | 6–7 | 46.15% |
| Iota02 vs Leo | 10–2 | 83.33% |
| Iota02 vs Nina | 7–5 | 58.33% |
| Iota02 vs Victor | 5–7 | 41.67% |
| Iota02 vs Asuka | 7–4 | 63.64% |
| Iota02 vs Alisa | 7–3 | 70.00% |
| Iota02 vs Feng | 2–7 | 22.22% |
| Iota02 vs Leroy | 1–6 | 14.29% |
| Iota02 vs Zafina | 1–5 | 16.67% |
| Iota02 vs Kuma | 2–3 | 40.00% |
| Iota02 vs Raven | 2–3 | 40.00% |
| Iota02 vs Claudio | 3–0 | 100.00% |
| Iota02 vs Shaheen | 2–1 | 66.67% |
| Iota02 vs Heihachi | 1–0 | 100.00% |
| Iota02 vs Anna | 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.