| Mournelle vs King | 57–49 | 53.77% |
| Mournelle vs Jin | 44–57 | 43.56% |
| Mournelle vs Hwoarang | 46–43 | 51.69% |
| Mournelle vs Dragunov | 50–37 | 57.47% |
| Mournelle vs Paul | 36–48 | 42.86% |
| Mournelle vs Victor | 53–31 | 63.10% |
| Mournelle vs Kazuya | 42–35 | 54.55% |
| Mournelle vs Reina | 40–37 | 51.95% |
| Mournelle vs Lili | 31–37 | 45.59% |
| Mournelle vs Steve | 37–28 | 56.92% |
| Mournelle vs Law | 23–41 | 35.94% |
| Mournelle vs Asuka | 32–31 | 50.79% |
| Mournelle vs Yoshimitsu | 38–22 | 63.33% |
| Mournelle vs Jun | 30–26 | 53.57% |
| Mournelle vs Bryan | 22–27 | 44.90% |
| Mournelle vs Devil Jin | 24–22 | 52.17% |
| Mournelle vs Eddy | 22–19 | 53.66% |
| Mournelle vs Azucena | 21–15 | 58.33% |
| Mournelle vs Xiaoyu | 15–20 | 42.86% |
| Mournelle vs Alisa | 13–19 | 40.62% |
| Mournelle vs Lars | 16–11 | 59.26% |
| Mournelle vs Claudio | 13–13 | 50.00% |
| Mournelle vs Leo | 8–16 | 33.33% |
| Mournelle vs Feng | 11–10 | 52.38% |
| Mournelle vs Raven | 10–11 | 47.62% |
| Mournelle vs Lee | 7–11 | 38.89% |
| Mournelle vs Nina | 2–12 | 14.29% |
| Mournelle vs Leroy | 5–9 | 35.71% |
| Mournelle vs Jack-8 | 8–3 | 72.73% |
| Mournelle vs Shaheen | 2–9 | 18.18% |
| Mournelle vs Lidia | 6–5 | 54.55% |
| Mournelle vs Kuma | 3–7 | 30.00% |
| Mournelle vs Zafina | 3–7 | 30.00% |
| Mournelle vs Heihachi | 7–2 | 77.78% |
| Mournelle vs Armor King | 6–3 | 66.67% |
| Mournelle vs Panda | 3–2 | 60.00% |
| Mournelle vs Clive | 4–1 | 80.00% |
| Mournelle vs Fahkumram | 2–0 | 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.