| JustMashBro vs Kazuya | 79–49 | 61.72% |
| JustMashBro vs Jin | 42–46 | 47.73% |
| JustMashBro vs Reina | 53–35 | 60.23% |
| JustMashBro vs Bryan | 53–32–1 | 62.35% |
| JustMashBro vs Dragunov | 42–39 | 51.85% |
| JustMashBro vs Heihachi | 41–35 | 53.95% |
| JustMashBro vs King | 31–35 | 46.97% |
| JustMashBro vs Paul | 27–31 | 46.55% |
| JustMashBro vs Hwoarang | 37–20 | 64.91% |
| JustMashBro vs Law | 32–22 | 59.26% |
| JustMashBro vs Azucena | 25–27 | 48.08% |
| JustMashBro vs Steve | 29–19 | 60.42% |
| JustMashBro vs Fahkumram | 25–20 | 55.56% |
| JustMashBro vs Lars | 22–20 | 52.38% |
| JustMashBro vs Lidia | 31–8 | 79.49% |
| JustMashBro vs Armor King | 21–16 | 56.76% |
| JustMashBro vs Devil Jin | 21–12 | 63.64% |
| JustMashBro vs Lee | 20–13 | 60.61% |
| JustMashBro vs Lili | 19–12 | 61.29% |
| JustMashBro vs Yoshimitsu | 12–16 | 42.86% |
| JustMashBro vs Feng | 10–18 | 35.71% |
| JustMashBro vs Miary Zo | 14–13 | 51.85% |
| JustMashBro vs Jun | 11–15 | 42.31% |
| JustMashBro vs Claudio | 13–12 | 52.00% |
| JustMashBro vs Nina | 11–11 | 50.00% |
| JustMashBro vs Asuka | 8–12 | 40.00% |
| JustMashBro vs Eddy | 12–8 | 60.00% |
| JustMashBro vs Xiaoyu | 6–13 | 31.58% |
| JustMashBro vs Alisa | 8–10 | 44.44% |
| JustMashBro vs Raven | 9–9 | 50.00% |
| JustMashBro vs Leroy | 8–5 | 61.54% |
| JustMashBro vs Anna | 5–8 | 38.46% |
| JustMashBro vs Leo | 8–4 | 66.67% |
| JustMashBro vs Shaheen | 7–5 | 58.33% |
| JustMashBro vs Jack-8 | 1–7 | 12.50% |
| JustMashBro vs Kuma | 4–4 | 50.00% |
| JustMashBro vs Victor | 2–6 | 25.00% |
| JustMashBro vs Clive | 5–3 | 62.50% |
| JustMashBro vs Zafina | 2–5 | 28.57% |
| JustMashBro vs Panda | 1–2 | 33.33% |
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.