| Mournful_Kuma vs Paul | 109–82 | 57.07% |
| Mournful_Kuma vs Kazuya | 69–59 | 53.91% |
| Mournful_Kuma vs Jin | 52–73 | 41.60% |
| Mournful_Kuma vs King | 37–50 | 42.53% |
| Mournful_Kuma vs Reina | 36–39 | 48.00% |
| Mournful_Kuma vs Bryan | 27–42 | 39.13% |
| Mournful_Kuma vs Hwoarang | 42–24 | 63.64% |
| Mournful_Kuma vs Lee | 26–33 | 44.07% |
| Mournful_Kuma vs Yoshimitsu | 31–22 | 58.49% |
| Mournful_Kuma vs Victor | 29–23 | 55.77% |
| Mournful_Kuma vs Steve | 31–19 | 62.00% |
| Mournful_Kuma vs Lili | 22–28 | 44.00% |
| Mournful_Kuma vs Dragunov | 31–19 | 62.00% |
| Mournful_Kuma vs Devil Jin | 19–24 | 44.19% |
| Mournful_Kuma vs Nina | 22–21 | 51.16% |
| Mournful_Kuma vs Law | 23–19 | 54.76% |
| Mournful_Kuma vs Leo | 18–24 | 42.86% |
| Mournful_Kuma vs Feng | 23–18 | 56.10% |
| Mournful_Kuma vs Alisa | 14–15 | 48.28% |
| Mournful_Kuma vs Azucena | 17–12 | 58.62% |
| Mournful_Kuma vs Asuka | 8–20 | 28.57% |
| Mournful_Kuma vs Lars | 9–18 | 33.33% |
| Mournful_Kuma vs Xiaoyu | 7–19 | 26.92% |
| Mournful_Kuma vs Claudio | 6–18 | 25.00% |
| Mournful_Kuma vs Eddy | 6–17 | 26.09% |
| Mournful_Kuma vs Leroy | 10–12 | 45.45% |
| Mournful_Kuma vs Jun | 6–16 | 27.27% |
| Mournful_Kuma vs Zafina | 6–10 | 37.50% |
| Mournful_Kuma vs Shaheen | 5–7 | 41.67% |
| Mournful_Kuma vs Jack-8 | 5–6 | 45.45% |
| Mournful_Kuma vs Lidia | 6–5 | 54.55% |
| Mournful_Kuma vs Kuma | 2–8 | 20.00% |
| Mournful_Kuma vs Heihachi | 3–7 | 30.00% |
| Mournful_Kuma vs Raven | 3–4 | 42.86% |
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.