| Rock vs Kazuya | 50–54 | 48.08% |
| Rock vs King | 47–47 | 50.00% |
| Rock vs Armor King | 55–36 | 60.44% |
| Rock vs Law | 33–33 | 50.00% |
| Rock vs Jin | 23–39 | 37.10% |
| Rock vs Heihachi | 23–32 | 41.82% |
| Rock vs Bryan | 32–22 | 59.26% |
| Rock vs Steve | 25–21 | 54.35% |
| Rock vs Hwoarang | 16–28 | 36.36% |
| Rock vs Reina | 22–21 | 51.16% |
| Rock vs Azucena | 23–18 | 56.10% |
| Rock vs Dragunov | 22–18 | 55.00% |
| Rock vs Paul | 13–26 | 33.33% |
| Rock vs Jun | 24–13 | 64.86% |
| Rock vs Yoshimitsu | 12–24 | 33.33% |
| Rock vs Lars | 15–18 | 45.45% |
| Rock vs Lee | 11–22 | 33.33% |
| Rock vs Eddy | 17–14 | 54.84% |
| Rock vs Lili | 18–12 | 60.00% |
| Rock vs Lidia | 11–19 | 36.67% |
| Rock vs Fahkumram | 16–14 | 53.33% |
| Rock vs Miary Zo | 12–15 | 44.44% |
| Rock vs Anna | 11–14 | 44.00% |
| Rock vs Clive | 10–13 | 43.48% |
| Rock vs Devil Jin | 13–9 | 59.09% |
| Rock vs Victor | 11–11 | 50.00% |
| Rock vs Raven | 10–11 | 47.62% |
| Rock vs Jack-8 | 9–8–1 | 52.94% |
| Rock vs Asuka | 7–10 | 41.18% |
| Rock vs Claudio | 3–13 | 18.75% |
| Rock vs Feng | 6–9 | 40.00% |
| Rock vs Alisa | 9–5 | 64.29% |
| Rock vs Nina | 9–5 | 64.29% |
| Rock vs Kuma | 4–7 | 36.36% |
| Rock vs Xiaoyu | 6–4 | 60.00% |
| Rock vs Leo | 5–4 | 55.56% |
| Rock vs Shaheen | 1–5 | 16.67% |
| Rock vs Zafina | 1–3 | 25.00% |
| Rock vs Panda | 2–1 | 66.67% |
| Rock vs Leroy | 2–1 | 66.67% |
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.