| ItsjustJ vs Reina | 84–62 | 57.53% |
| ItsjustJ vs Kazuya | 67–59 | 53.17% |
| ItsjustJ vs Jin | 46–71 | 39.32% |
| ItsjustJ vs King | 36–62 | 36.73% |
| ItsjustJ vs Steve | 47–35 | 57.32% |
| ItsjustJ vs Dragunov | 39–35 | 52.70% |
| ItsjustJ vs Hwoarang | 36–36 | 50.00% |
| ItsjustJ vs Paul | 31–31 | 50.00% |
| ItsjustJ vs Lili | 27–33 | 45.00% |
| ItsjustJ vs Heihachi | 31–27 | 53.45% |
| ItsjustJ vs Lidia | 28–29 | 49.12% |
| ItsjustJ vs Law | 22–34 | 39.29% |
| ItsjustJ vs Bryan | 21–34 | 38.18% |
| ItsjustJ vs Jun | 28–27 | 50.91% |
| ItsjustJ vs Azucena | 27–25 | 51.92% |
| ItsjustJ vs Yoshimitsu | 26–25 | 50.98% |
| ItsjustJ vs Lee | 19–30 | 38.78% |
| ItsjustJ vs Eddy | 17–26 | 39.53% |
| ItsjustJ vs Asuka | 14–27 | 34.15% |
| ItsjustJ vs Xiaoyu | 20–20 | 50.00% |
| ItsjustJ vs Devil Jin | 25–14 | 64.10% |
| ItsjustJ vs Feng | 21–16 | 56.76% |
| ItsjustJ vs Kuma | 16–19 | 45.71% |
| ItsjustJ vs Raven | 18–17 | 51.43% |
| ItsjustJ vs Nina | 18–16 | 52.94% |
| ItsjustJ vs Leroy | 14–19 | 42.42% |
| ItsjustJ vs Victor | 9–23 | 28.12% |
| ItsjustJ vs Alisa | 13–14 | 48.15% |
| ItsjustJ vs Leo | 14–12 | 53.85% |
| ItsjustJ vs Lars | 8–18 | 30.77% |
| ItsjustJ vs Clive | 10–12 | 45.45% |
| ItsjustJ vs Jack-8 | 10–10 | 50.00% |
| ItsjustJ vs Claudio | 12–8 | 60.00% |
| ItsjustJ vs Anna | 6–13 | 31.58% |
| ItsjustJ vs Miary Zo | 12–5 | 70.59% |
| ItsjustJ vs Zafina | 7–6 | 53.85% |
| ItsjustJ vs Shaheen | 7–4 | 63.64% |
| ItsjustJ vs Fahkumram | 5–6 | 45.45% |
| ItsjustJ vs Armor King | 6–5 | 54.55% |
| ItsjustJ vs Panda | 4–2 | 66.67% |
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.