| Watanabe vs Kazuya | 40–34 | 54.05% |
| Watanabe vs Reina | 31–30 | 50.82% |
| Watanabe vs Jin | 28–29 | 49.12% |
| Watanabe vs King | 32–20 | 61.54% |
| Watanabe vs Hwoarang | 24–21 | 53.33% |
| Watanabe vs Eddy | 15–29 | 34.09% |
| Watanabe vs Bryan | 23–19 | 54.76% |
| Watanabe vs Law | 13–21 | 38.24% |
| Watanabe vs Lili | 9–23 | 28.12% |
| Watanabe vs Dragunov | 14–15 | 48.28% |
| Watanabe vs Lee | 18–10 | 64.29% |
| Watanabe vs Azucena | 15–13 | 53.57% |
| Watanabe vs Asuka | 15–9 | 62.50% |
| Watanabe vs Nina | 11–13 | 45.83% |
| Watanabe vs Paul | 7–16 | 30.43% |
| Watanabe vs Steve | 9–14 | 39.13% |
| Watanabe vs Yoshimitsu | 11–10 | 52.38% |
| Watanabe vs Lars | 9–12 | 42.86% |
| Watanabe vs Victor | 6–14 | 30.00% |
| Watanabe vs Claudio | 8–9–1 | 47.06% |
| Watanabe vs Devil Jin | 9–6 | 60.00% |
| Watanabe vs Jun | 6–9 | 40.00% |
| Watanabe vs Alisa | 4–10 | 28.57% |
| Watanabe vs Feng | 8–5 | 61.54% |
| Watanabe vs Leo | 3–8 | 27.27% |
| Watanabe vs Xiaoyu | 7–3 | 70.00% |
| Watanabe vs Jack-8 | 6–4 | 60.00% |
| Watanabe vs Raven | 4–4 | 50.00% |
| Watanabe vs Leroy | 3–4 | 42.86% |
| Watanabe vs Kuma | 0–6 | 0.00% |
| Watanabe vs Zafina | 0–4 | 0.00% |
| Watanabe vs Panda | 0–3 | 0.00% |
| Watanabe vs Lidia | 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.