| Wataru vs Eddy | 7–27 | 20.59% |
| Wataru vs Hwoarang | 14–14 | 50.00% |
| Wataru vs Reina | 13–13 | 50.00% |
| Wataru vs Jin | 11–7 | 61.11% |
| Wataru vs Steve | 9–9 | 50.00% |
| Wataru vs Paul | 6–9 | 40.00% |
| Wataru vs Jun | 11–3 | 78.57% |
| Wataru vs Bryan | 7–5 | 58.33% |
| Wataru vs Law | 4–6 | 40.00% |
| Wataru vs King | 1–9 | 10.00% |
| Wataru vs Yoshimitsu | 5–5 | 50.00% |
| Wataru vs Nina | 3–6 | 33.33% |
| Wataru vs Lee | 7–1 | 87.50% |
| Wataru vs Kazuya | 6–1 | 85.71% |
| Wataru vs Leo | 4–3 | 57.14% |
| Wataru vs Victor | 5–2 | 71.43% |
| Wataru vs Alisa | 2–4 | 33.33% |
| Wataru vs Asuka | 1–4 | 20.00% |
| Wataru vs Dragunov | 3–2 | 60.00% |
| Wataru vs Clive | 3–2 | 60.00% |
| Wataru vs Lili | 2–2 | 50.00% |
| Wataru vs Xiaoyu | 2–1 | 66.67% |
| Wataru vs Feng | 2–1 | 66.67% |
| Wataru vs Lars | 3–0 | 100.00% |
| Wataru vs Claudio | 2–1 | 66.67% |
| Wataru vs Leroy | 1–2 | 33.33% |
| Wataru vs Heihachi | 1–2 | 33.33% |
| Wataru vs Devil Jin | 0–2 | 0.00% |
| Wataru vs Kuma | 0–2 | 0.00% |
| Wataru vs Zafina | 0–2 | 0.00% |
| Wataru vs Azucena | 2–0 | 100.00% |
| Wataru vs Jack-8 | 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.