| IRLTEFFERSON vs King | 16–5 | 76.19% |
| IRLTEFFERSON vs Jin | 17–4 | 80.95% |
| IRLTEFFERSON vs Jun | 16–3 | 84.21% |
| IRLTEFFERSON vs Paul | 11–6 | 64.71% |
| IRLTEFFERSON vs Law | 14–3 | 82.35% |
| IRLTEFFERSON vs Kazuya | 14–2 | 87.50% |
| IRLTEFFERSON vs Reina | 14–1 | 93.33% |
| IRLTEFFERSON vs Yoshimitsu | 8–6 | 57.14% |
| IRLTEFFERSON vs Hwoarang | 12–2 | 85.71% |
| IRLTEFFERSON vs Xiaoyu | 7–6 | 53.85% |
| IRLTEFFERSON vs Claudio | 4–7 | 36.36% |
| IRLTEFFERSON vs Bryan | 7–3 | 70.00% |
| IRLTEFFERSON vs Steve | 8–2 | 80.00% |
| IRLTEFFERSON vs Asuka | 6–4 | 60.00% |
| IRLTEFFERSON vs Victor | 8–2 | 80.00% |
| IRLTEFFERSON vs Lee | 4–5 | 44.44% |
| IRLTEFFERSON vs Eddy | 5–4 | 55.56% |
| IRLTEFFERSON vs Dragunov | 7–0 | 100.00% |
| IRLTEFFERSON vs Azucena | 3–4 | 42.86% |
| IRLTEFFERSON vs Feng | 2–4 | 33.33% |
| IRLTEFFERSON vs Lili | 4–2 | 66.67% |
| IRLTEFFERSON vs Raven | 5–1 | 83.33% |
| IRLTEFFERSON vs Nina | 4–1 | 80.00% |
| IRLTEFFERSON vs Leroy | 3–2 | 60.00% |
| IRLTEFFERSON vs Anna | 2–3 | 40.00% |
| IRLTEFFERSON vs Leo | 3–1 | 75.00% |
| IRLTEFFERSON vs Lars | 2–2 | 50.00% |
| IRLTEFFERSON vs Alisa | 4–0 | 100.00% |
| IRLTEFFERSON vs Fahkumram | 3–1 | 75.00% |
| IRLTEFFERSON vs Jack-8 | 2–0 | 100.00% |
| IRLTEFFERSON vs Zafina | 2–0 | 100.00% |
| IRLTEFFERSON vs Clive | 2–0 | 100.00% |
| IRLTEFFERSON vs Devil Jin | 1–0 | 100.00% |
| IRLTEFFERSON vs Shaheen | 0–1 | 0.00% |
| IRLTEFFERSON vs Lidia | 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.