| Westbrook vs Kazuya | 15–25 | 37.50% |
| Westbrook vs Paul | 16–14 | 53.33% |
| Westbrook vs Reina | 18–10 | 64.29% |
| Westbrook vs Azucena | 16–4 | 80.00% |
| Westbrook vs Asuka | 7–12 | 36.84% |
| Westbrook vs Dragunov | 5–14 | 26.32% |
| Westbrook vs Lars | 11–6 | 64.71% |
| Westbrook vs Jun | 11–6 | 64.71% |
| Westbrook vs Jin | 8–8 | 50.00% |
| Westbrook vs Bryan | 11–5 | 68.75% |
| Westbrook vs Devil Jin | 9–6 | 60.00% |
| Westbrook vs Victor | 6–8 | 42.86% |
| Westbrook vs Lili | 11–2 | 84.62% |
| Westbrook vs Eddy | 3–10 | 23.08% |
| Westbrook vs Feng | 7–5 | 58.33% |
| Westbrook vs Alisa | 5–7 | 41.67% |
| Westbrook vs King | 5–6 | 45.45% |
| Westbrook vs Hwoarang | 4–7 | 36.36% |
| Westbrook vs Xiaoyu | 6–4 | 60.00% |
| Westbrook vs Yoshimitsu | 7–2 | 77.78% |
| Westbrook vs Claudio | 4–5 | 44.44% |
| Westbrook vs Lee | 5–4 | 55.56% |
| Westbrook vs Shaheen | 3–5 | 37.50% |
| Westbrook vs Leroy | 2–6 | 25.00% |
| Westbrook vs Leo | 6–1 | 85.71% |
| Westbrook vs Anna | 4–3 | 57.14% |
| Westbrook vs Law | 1–4 | 20.00% |
| Westbrook vs Steve | 3–2 | 60.00% |
| Westbrook vs Jack-8 | 1–4 | 20.00% |
| Westbrook vs Kuma | 2–3 | 40.00% |
| Westbrook vs Nina | 2–2 | 50.00% |
| Westbrook vs Raven | 1–2 | 33.33% |
| Westbrook vs Miary Zo | 1–2 | 33.33% |
| Westbrook vs Panda | 2–0 | 100.00% |
| Westbrook vs Zafina | 2–0 | 100.00% |
| Westbrook vs Clive | 2–0 | 100.00% |
| Westbrook vs Heihachi | 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.