| Eli Effen vs Kazuya | 32–56 | 36.36% |
| Eli Effen vs King | 40–44 | 47.62% |
| Eli Effen vs Steve | 35–31 | 53.03% |
| Eli Effen vs Jin | 35–28 | 55.56% |
| Eli Effen vs Reina | 29–26 | 52.73% |
| Eli Effen vs Law | 23–27 | 46.00% |
| Eli Effen vs Clive | 26–16 | 61.90% |
| Eli Effen vs Hwoarang | 19–21 | 47.50% |
| Eli Effen vs Bryan | 16–21 | 43.24% |
| Eli Effen vs Asuka | 22–15 | 59.46% |
| Eli Effen vs Lili | 22–13 | 62.86% |
| Eli Effen vs Feng | 14–18 | 43.75% |
| Eli Effen vs Heihachi | 16–16 | 50.00% |
| Eli Effen vs Azucena | 17–14 | 54.84% |
| Eli Effen vs Lidia | 16–13 | 55.17% |
| Eli Effen vs Lars | 20–8 | 71.43% |
| Eli Effen vs Xiaoyu | 9–18 | 33.33% |
| Eli Effen vs Leo | 14–13 | 51.85% |
| Eli Effen vs Jun | 7–14 | 33.33% |
| Eli Effen vs Raven | 7–13 | 35.00% |
| Eli Effen vs Eddy | 7–13 | 35.00% |
| Eli Effen vs Jack-8 | 12–7 | 63.16% |
| Eli Effen vs Paul | 9–9 | 50.00% |
| Eli Effen vs Yoshimitsu | 10–7 | 58.82% |
| Eli Effen vs Lee | 5–11 | 31.25% |
| Eli Effen vs Victor | 6–10 | 37.50% |
| Eli Effen vs Dragunov | 8–7 | 53.33% |
| Eli Effen vs Leroy | 6–9 | 40.00% |
| Eli Effen vs Nina | 6–8 | 42.86% |
| Eli Effen vs Devil Jin | 5–8 | 38.46% |
| Eli Effen vs Zafina | 3–6 | 33.33% |
| Eli Effen vs Claudio | 2–5 | 28.57% |
| Eli Effen vs Kuma | 2–5 | 28.57% |
| Eli Effen vs Alisa | 1–5 | 16.67% |
| Eli Effen vs Shaheen | 4–0 | 100.00% |
| Eli Effen vs Panda | 2–2 | 50.00% |
| Eli Effen 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.