| JustFlash vs Bryan | 26–22 | 54.17% |
| JustFlash vs King | 27–16 | 62.79% |
| JustFlash vs Kazuya | 26–17 | 60.47% |
| JustFlash vs Reina | 28–15 | 65.12% |
| JustFlash vs Lee | 16–14 | 53.33% |
| JustFlash vs Law | 15–14 | 51.72% |
| JustFlash vs Steve | 19–10 | 65.52% |
| JustFlash vs Jin | 20–8 | 71.43% |
| JustFlash vs Azucena | 20–8 | 71.43% |
| JustFlash vs Heihachi | 12–16 | 42.86% |
| JustFlash vs Paul | 9–17 | 34.62% |
| JustFlash vs Dragunov | 18–5 | 78.26% |
| JustFlash vs Hwoarang | 11–8–1 | 57.89% |
| JustFlash vs Jun | 10–10 | 50.00% |
| JustFlash vs Devil Jin | 11–8 | 57.89% |
| JustFlash vs Yoshimitsu | 15–3 | 83.33% |
| JustFlash vs Lars | 13–4 | 76.47% |
| JustFlash vs Raven | 14–2 | 87.50% |
| JustFlash vs Xiaoyu | 6–9 | 40.00% |
| JustFlash vs Lili | 9–6 | 60.00% |
| JustFlash vs Clive | 9–6 | 60.00% |
| JustFlash vs Jack-8 | 4–9 | 30.77% |
| JustFlash vs Lidia | 9–4 | 69.23% |
| JustFlash vs Kuma | 2–8 | 20.00% |
| JustFlash vs Victor | 7–3 | 70.00% |
| JustFlash vs Eddy | 2–8 | 20.00% |
| JustFlash vs Leroy | 8–1 | 88.89% |
| JustFlash vs Armor King | 5–3 | 62.50% |
| JustFlash vs Shaheen | 4–2 | 66.67% |
| JustFlash vs Alisa | 2–3 | 40.00% |
| JustFlash vs Asuka | 2–2 | 50.00% |
| JustFlash vs Feng | 1–3 | 25.00% |
| JustFlash vs Nina | 0–4 | 0.00% |
| JustFlash vs Anna | 0–3 | 0.00% |
| JustFlash vs Fahkumram | 1–2 | 33.33% |
| JustFlash vs Zafina | 1–1 | 50.00% |
| JustFlash vs Claudio | 1–0 | 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.