| Massacre vs Kazuya | 54–69 | 43.90% |
| Massacre vs King | 46–66 | 41.07% |
| Massacre vs Jin | 51–60 | 45.95% |
| Massacre vs Law | 47–62 | 43.12% |
| Massacre vs Heihachi | 43–59 | 42.16% |
| Massacre vs Steve | 48–43 | 52.75% |
| Massacre vs Reina | 45–37 | 54.88% |
| Massacre vs Jun | 30–39 | 43.48% |
| Massacre vs Bryan | 24–43 | 35.82% |
| Massacre vs Hwoarang | 37–29 | 56.06% |
| Massacre vs Yoshimitsu | 30–32 | 48.39% |
| Massacre vs Dragunov | 26–29 | 47.27% |
| Massacre vs Nina | 21–25 | 45.65% |
| Massacre vs Eddy | 19–23 | 45.24% |
| Massacre vs Lidia | 22–20 | 52.38% |
| Massacre vs Azucena | 17–23 | 42.50% |
| Massacre vs Victor | 22–18 | 55.00% |
| Massacre vs Asuka | 18–21 | 46.15% |
| Massacre vs Lili | 14–24 | 36.84% |
| Massacre vs Clive | 16–22 | 42.11% |
| Massacre vs Paul | 18–19 | 48.65% |
| Massacre vs Lee | 21–16 | 56.76% |
| Massacre vs Devil Jin | 15–19 | 44.12% |
| Massacre vs Jack-8 | 9–17 | 34.62% |
| Massacre vs Alisa | 19–7 | 73.08% |
| Massacre vs Armor King | 10–16 | 38.46% |
| Massacre vs Xiaoyu | 7–17 | 29.17% |
| Massacre vs Lars | 16–8 | 66.67% |
| Massacre vs Leroy | 6–14 | 30.00% |
| Massacre vs Fahkumram | 9–9 | 50.00% |
| Massacre vs Feng | 6–11 | 35.29% |
| Massacre vs Leo | 6–7 | 46.15% |
| Massacre vs Claudio | 6–7 | 46.15% |
| Massacre vs Kuma | 5–6 | 45.45% |
| Massacre vs Raven | 6–5 | 54.55% |
| Massacre vs Anna | 6–5 | 54.55% |
| Massacre vs Zafina | 5–5 | 50.00% |
| Massacre vs Shaheen | 6–3 | 66.67% |
| Massacre vs Miary Zo | 1–4 | 20.00% |
| Massacre vs Panda | 4–0 | 100.00% |
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.