| King Rex vs Kazuya | 197–215 | 47.82% |
| King Rex vs Hwoarang | 158–192 | 45.14% |
| King Rex vs King | 167–177 | 48.55% |
| King Rex vs Jin | 172–168 | 50.59% |
| King Rex vs Bryan | 159–159 | 50.00% |
| King Rex vs Reina | 167–127 | 56.80% |
| King Rex vs Lili | 123–147 | 45.56% |
| King Rex vs Steve | 136–114 | 54.40% |
| King Rex vs Law | 112–121 | 48.07% |
| King Rex vs Paul | 102–115 | 47.00% |
| King Rex vs Yoshimitsu | 95–113 | 45.67% |
| King Rex vs Lee | 101–104 | 49.27% |
| King Rex vs Dragunov | 90–93 | 49.18% |
| King Rex vs Lars | 72–96 | 42.86% |
| King Rex vs Xiaoyu | 69–98 | 41.32% |
| King Rex vs Asuka | 80–85 | 48.48% |
| King Rex vs Jun | 77–86 | 47.24% |
| King Rex vs Leo | 74–76 | 49.33% |
| King Rex vs Azucena | 67–79 | 45.89% |
| King Rex vs Nina | 71–72 | 49.65% |
| King Rex vs Devil Jin | 67–67 | 50.00% |
| King Rex vs Victor | 63–59 | 51.64% |
| King Rex vs Heihachi | 58–56 | 50.88% |
| King Rex vs Raven | 44–64 | 40.74% |
| King Rex vs Eddy | 38–69 | 35.51% |
| King Rex vs Feng | 52–53 | 49.52% |
| King Rex vs Claudio | 48–44 | 52.17% |
| King Rex vs Leroy | 39–50 | 43.82% |
| King Rex vs Kuma | 33–47 | 41.25% |
| King Rex vs Zafina | 27–45 | 37.50% |
| King Rex vs Alisa | 21–50 | 29.58% |
| King Rex vs Lidia | 32–35 | 47.76% |
| King Rex vs Jack-8 | 24–33 | 42.11% |
| King Rex vs Anna | 31–18 | 63.27% |
| King Rex vs Shaheen | 19–28 | 40.43% |
| King Rex vs Clive | 13–10 | 56.52% |
| King Rex vs Panda | 8–13 | 38.10% |
| King Rex vs Fahkumram | 2–4 | 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.