| Mountain vs King | 30–22 | 57.69% |
| Mountain vs Reina | 25–9 | 73.53% |
| Mountain vs Jin | 22–9 | 70.97% |
| Mountain vs Steve | 17–14 | 54.84% |
| Mountain vs Bryan | 17–12 | 58.62% |
| Mountain vs Kazuya | 13–15 | 46.43% |
| Mountain vs Law | 17–10 | 62.96% |
| Mountain vs Lidia | 13–14 | 48.15% |
| Mountain vs Xiaoyu | 13–9 | 59.09% |
| Mountain vs Leo | 14–8 | 63.64% |
| Mountain vs Lars | 13–8 | 61.90% |
| Mountain vs Dragunov | 10–10 | 50.00% |
| Mountain vs Hwoarang | 8–11 | 42.11% |
| Mountain vs Yoshimitsu | 14–4 | 77.78% |
| Mountain vs Lili | 13–3 | 81.25% |
| Mountain vs Azucena | 12–3 | 80.00% |
| Mountain vs Victor | 7–6 | 53.85% |
| Mountain vs Eddy | 9–4 | 69.23% |
| Mountain vs Paul | 8–4 | 66.67% |
| Mountain vs Nina | 8–3 | 72.73% |
| Mountain vs Leroy | 6–5 | 54.55% |
| Mountain vs Devil Jin | 7–3 | 70.00% |
| Mountain vs Asuka | 3–6 | 33.33% |
| Mountain vs Feng | 5–4 | 55.56% |
| Mountain vs Lee | 4–5 | 44.44% |
| Mountain vs Raven | 5–3 | 62.50% |
| Mountain vs Claudio | 4–3 | 57.14% |
| Mountain vs Kuma | 5–2 | 71.43% |
| Mountain vs Jack-8 | 2–4 | 33.33% |
| Mountain vs Jun | 3–3 | 50.00% |
| Mountain vs Alisa | 3–1 | 75.00% |
| Mountain vs Heihachi | 2–1 | 66.67% |
| Mountain vs Shaheen | 2–0 | 100.00% |
| Mountain vs Zafina | 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.