| Ir2a vs Hwoarang | 5–6 | 45.45% |
| Ir2a vs Asuka | 0–9 | 0.00% |
| Ir2a vs Yoshimitsu | 1–6 | 14.29% |
| Ir2a vs Jack-8 | 0–6 | 0.00% |
| Ir2a vs Leroy | 0–6 | 0.00% |
| Ir2a vs Lili | 0–5 | 0.00% |
| Ir2a vs Law | 0–4 | 0.00% |
| Ir2a vs Steve | 2–2 | 50.00% |
| Ir2a vs Reina | 1–3 | 25.00% |
| Ir2a vs Victor | 2–2 | 50.00% |
| Ir2a vs Paul | 1–2 | 33.33% |
| Ir2a vs Xiaoyu | 1–2 | 33.33% |
| Ir2a vs Jun | 2–1 | 66.67% |
| Ir2a vs Azucena | 1–2 | 33.33% |
| Ir2a vs King | 0–2 | 0.00% |
| Ir2a vs Devil Jin | 0–2 | 0.00% |
| Ir2a vs Lars | 0–2 | 0.00% |
| Ir2a vs Nina | 2–0 | 100.00% |
| Ir2a vs Kuma | 0–2 | 0.00% |
| Ir2a vs Zafina | 2–0 | 100.00% |
| Ir2a vs Raven | 0–2 | 0.00% |
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.