| Shadowslammer vs Clive | 14–13 | 51.85% |
| Shadowslammer vs King | 18–7 | 72.00% |
| Shadowslammer vs Kazuya | 17–6 | 73.91% |
| Shadowslammer vs Hwoarang | 12–8 | 60.00% |
| Shadowslammer vs Bryan | 8–7 | 53.33% |
| Shadowslammer vs Yoshimitsu | 8–6 | 57.14% |
| Shadowslammer vs Jin | 7–6 | 53.85% |
| Shadowslammer vs Steve | 7–6 | 53.85% |
| Shadowslammer vs Dragunov | 6–7 | 46.15% |
| Shadowslammer vs Paul | 5–6 | 45.45% |
| Shadowslammer vs Devil Jin | 6–5 | 54.55% |
| Shadowslammer vs Lars | 8–3 | 72.73% |
| Shadowslammer vs Jun | 6–5 | 54.55% |
| Shadowslammer vs Victor | 6–5 | 54.55% |
| Shadowslammer vs Heihachi | 7–4 | 63.64% |
| Shadowslammer vs Asuka | 6–4 | 60.00% |
| Shadowslammer vs Law | 7–2 | 77.78% |
| Shadowslammer vs Lili | 3–6 | 33.33% |
| Shadowslammer vs Azucena | 8–1 | 88.89% |
| Shadowslammer vs Leo | 3–5 | 37.50% |
| Shadowslammer vs Shaheen | 3–5 | 37.50% |
| Shadowslammer vs Reina | 5–3 | 62.50% |
| Shadowslammer vs Alisa | 2–5 | 28.57% |
| Shadowslammer vs Leroy | 4–3 | 57.14% |
| Shadowslammer vs Jack-8 | 4–2 | 66.67% |
| Shadowslammer vs Eddy | 2–4 | 33.33% |
| Shadowslammer vs Raven | 3–2 | 60.00% |
| Shadowslammer vs Zafina | 2–2 | 50.00% |
| Shadowslammer vs Xiaoyu | 1–1 | 50.00% |
| Shadowslammer vs Feng | 0–2 | 0.00% |
| Shadowslammer vs Lee | 2–0 | 100.00% |
| Shadowslammer vs Kuma | 2–0 | 100.00% |
| Shadowslammer vs Panda | 1–1 | 50.00% |
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.