| NINE MOUNTAIN vs Kazuya | 119–93 | 56.13% |
| NINE MOUNTAIN vs Jin | 132–56 | 70.21% |
| NINE MOUNTAIN vs Bryan | 67–54 | 55.37% |
| NINE MOUNTAIN vs King | 61–44 | 58.10% |
| NINE MOUNTAIN vs Paul | 44–49 | 47.31% |
| NINE MOUNTAIN vs Hwoarang | 49–43 | 53.26% |
| NINE MOUNTAIN vs Dragunov | 58–34 | 63.04% |
| NINE MOUNTAIN vs Law | 44–46 | 48.89% |
| NINE MOUNTAIN vs Reina | 45–42 | 51.72% |
| NINE MOUNTAIN vs Devil Jin | 58–27 | 68.24% |
| NINE MOUNTAIN vs Yoshimitsu | 52–30 | 63.41% |
| NINE MOUNTAIN vs Lee | 24–46 | 34.29% |
| NINE MOUNTAIN vs Lili | 34–30 | 53.12% |
| NINE MOUNTAIN vs Eddy | 27–33 | 45.00% |
| NINE MOUNTAIN vs Nina | 28–31 | 47.46% |
| NINE MOUNTAIN vs Heihachi | 37–22 | 62.71% |
| NINE MOUNTAIN vs Steve | 35–23 | 60.34% |
| NINE MOUNTAIN vs Jun | 23–31 | 42.59% |
| NINE MOUNTAIN vs Alisa | 26–23 | 53.06% |
| NINE MOUNTAIN vs Lars | 20–21 | 48.78% |
| NINE MOUNTAIN vs Jack-8 | 18–18 | 50.00% |
| NINE MOUNTAIN vs Azucena | 22–14 | 61.11% |
| NINE MOUNTAIN vs Asuka | 20–15 | 57.14% |
| NINE MOUNTAIN vs Victor | 22–10 | 68.75% |
| NINE MOUNTAIN vs Feng | 8–21 | 27.59% |
| NINE MOUNTAIN vs Zafina | 14–15 | 48.28% |
| NINE MOUNTAIN vs Lidia | 12–15 | 44.44% |
| NINE MOUNTAIN vs Clive | 10–16 | 38.46% |
| NINE MOUNTAIN vs Armor King | 8–18 | 30.77% |
| NINE MOUNTAIN vs Leo | 8–17 | 32.00% |
| NINE MOUNTAIN vs Xiaoyu | 11–13 | 45.83% |
| NINE MOUNTAIN vs Claudio | 7–17 | 29.17% |
| NINE MOUNTAIN vs Fahkumram | 7–17 | 29.17% |
| NINE MOUNTAIN vs Leroy | 8–15 | 34.78% |
| NINE MOUNTAIN vs Anna | 6–6 | 50.00% |
| NINE MOUNTAIN vs Shaheen | 5–6 | 45.45% |
| NINE MOUNTAIN vs Miary Zo | 2–9 | 18.18% |
| NINE MOUNTAIN vs Raven | 5–5 | 50.00% |
| NINE MOUNTAIN vs Kuma | 2–7 | 22.22% |
| NINE MOUNTAIN vs Panda | 0–2 | 0.00% |
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.