| Grievous vs Reina | 11–11 | 50.00% |
| Grievous vs King | 4–13 | 23.53% |
| Grievous vs Fahkumram | 5–11 | 31.25% |
| Grievous vs Paul | 2–10 | 16.67% |
| Grievous vs Jin | 2–9 | 18.18% |
| Grievous vs Yoshimitsu | 5–5 | 50.00% |
| Grievous vs Dragunov | 0–8 | 0.00% |
| Grievous vs Azucena | 4–2 | 66.67% |
| Grievous vs Devil Jin | 2–3 | 40.00% |
| Grievous vs Nina | 3–2 | 60.00% |
| Grievous vs Lidia | 2–3 | 40.00% |
| Grievous vs Hwoarang | 1–3 | 25.00% |
| Grievous vs Asuka | 2–2 | 50.00% |
| Grievous vs Raven | 2–2 | 50.00% |
| Grievous vs Xiaoyu | 0–2 | 0.00% |
| Grievous vs Steve | 2–0 | 100.00% |
| Grievous vs Eddy | 0–2 | 0.00% |
| Grievous vs Heihachi | 0–2 | 0.00% |
| Grievous vs Law | 0–1 | 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.