| Wellaard vs Clive | 25–30 | 45.45% |
| Wellaard vs Kazuya | 15–11 | 57.69% |
| Wellaard vs King | 9–12 | 42.86% |
| Wellaard vs Hwoarang | 9–10 | 47.37% |
| Wellaard vs Lili | 11–8 | 57.89% |
| Wellaard vs Dragunov | 11–7 | 61.11% |
| Wellaard vs Jin | 9–6 | 60.00% |
| Wellaard vs Law | 10–3 | 76.92% |
| Wellaard vs Yoshimitsu | 6–5 | 54.55% |
| Wellaard vs Xiaoyu | 6–3 | 66.67% |
| Wellaard vs Jun | 3–6 | 33.33% |
| Wellaard vs Reina | 4–5 | 44.44% |
| Wellaard vs Alisa | 4–4 | 50.00% |
| Wellaard vs Kuma | 2–6 | 25.00% |
| Wellaard vs Steve | 4–3 | 57.14% |
| Wellaard vs Azucena | 4–3 | 57.14% |
| Wellaard vs Bryan | 2–4 | 33.33% |
| Wellaard vs Asuka | 2–4 | 33.33% |
| Wellaard vs Feng | 1–5 | 16.67% |
| Wellaard vs Claudio | 4–2 | 66.67% |
| Wellaard vs Nina | 4–2 | 66.67% |
| Wellaard vs Devil Jin | 1–4 | 20.00% |
| Wellaard vs Raven | 3–1–1 | 75.00% |
| Wellaard vs Lee | 4–0 | 100.00% |
| Wellaard vs Leroy | 4–0 | 100.00% |
| Wellaard vs Jack-8 | 1–2 | 33.33% |
| Wellaard vs Shaheen | 3–0 | 100.00% |
| Wellaard vs Victor | 1–2 | 33.33% |
| Wellaard vs Heihachi | 1–2 | 33.33% |
| Wellaard vs Paul | 0–2 | 0.00% |
| Wellaard vs Leo | 0–2 | 0.00% |
| Wellaard vs Eddy | 2–0 | 100.00% |
| Wellaard vs Lidia | 0–2 | 0.00% |
| Wellaard vs Lars | 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.