| Mr_Ecchi vs Jin | 336–320 | 51.22% |
| Mr_Ecchi vs Kazuya | 341–262 | 56.55% |
| Mr_Ecchi vs King | 268–265 | 50.28% |
| Mr_Ecchi vs Bryan | 269–251 | 51.73% |
| Mr_Ecchi vs Hwoarang | 210–213 | 49.65% |
| Mr_Ecchi vs Dragunov | 178–196 | 47.59% |
| Mr_Ecchi vs Law | 166–186 | 47.16% |
| Mr_Ecchi vs Paul | 154–167 | 47.98% |
| Mr_Ecchi vs Heihachi | 131–125 | 51.17% |
| Mr_Ecchi vs Yoshimitsu | 120–132 | 47.62% |
| Mr_Ecchi vs Devil Jin | 118–126 | 48.36% |
| Mr_Ecchi vs Steve | 131–105 | 55.51% |
| Mr_Ecchi vs Lars | 117–114 | 50.65% |
| Mr_Ecchi vs Alisa | 102–112 | 47.66% |
| Mr_Ecchi vs Lili | 106–103 | 50.72% |
| Mr_Ecchi vs Lee | 83–106 | 43.92% |
| Mr_Ecchi vs Anna | 94–94 | 50.00% |
| Mr_Ecchi vs Claudio | 74–102 | 42.05% |
| Mr_Ecchi vs Feng | 62–106 | 36.90% |
| Mr_Ecchi vs Reina | 103–62 | 62.42% |
| Mr_Ecchi vs Victor | 54–102 | 34.62% |
| Mr_Ecchi vs Nina | 71–84 | 45.81% |
| Mr_Ecchi vs Leroy | 71–77 | 47.97% |
| Mr_Ecchi vs Jun | 65–81 | 44.52% |
| Mr_Ecchi vs Raven | 79–57 | 58.09% |
| Mr_Ecchi vs Eddy | 75–61 | 55.15% |
| Mr_Ecchi vs Xiaoyu | 66–52 | 55.93% |
| Mr_Ecchi vs Jack-8 | 61–57 | 51.69% |
| Mr_Ecchi vs Azucena | 61–56 | 52.14% |
| Mr_Ecchi vs Fahkumram | 53–60 | 46.90% |
| Mr_Ecchi vs Clive | 45–64 | 41.28% |
| Mr_Ecchi vs Armor King | 39–65 | 37.50% |
| Mr_Ecchi vs Asuka | 55–46 | 54.46% |
| Mr_Ecchi vs Leo | 57–44 | 56.44% |
| Mr_Ecchi vs Shaheen | 42–46 | 47.73% |
| Mr_Ecchi vs Kuma | 34–45 | 43.04% |
| Mr_Ecchi vs Zafina | 33–42 | 44.00% |
| Mr_Ecchi vs Lidia | 21–20 | 51.22% |
| Mr_Ecchi vs Miary Zo | 14–14 | 50.00% |
| Mr_Ecchi vs Panda | 4–6 | 40.00% |
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.