| ItsMrKey vs Kazuya | 133–153 | 46.50% |
| ItsMrKey vs King | 127–89 | 58.80% |
| ItsMrKey vs Reina | 114–102 | 52.78% |
| ItsMrKey vs Jin | 114–100 | 53.27% |
| ItsMrKey vs Bryan | 86–123 | 41.15% |
| ItsMrKey vs Heihachi | 106–101 | 51.21% |
| ItsMrKey vs Steve | 63–83 | 43.15% |
| ItsMrKey vs Lee | 45–91 | 33.09% |
| ItsMrKey vs Lili | 68–64 | 51.52% |
| ItsMrKey vs Dragunov | 46–85 | 35.11% |
| ItsMrKey vs Azucena | 59–69 | 46.09% |
| ItsMrKey vs Hwoarang | 72–54 | 57.14% |
| ItsMrKey vs Law | 63–61 | 50.81% |
| ItsMrKey vs Paul | 43–77 | 35.83% |
| ItsMrKey vs Eddy | 56–60 | 48.28% |
| ItsMrKey vs Jun | 55–55 | 50.00% |
| ItsMrKey vs Yoshimitsu | 46–53 | 46.46% |
| ItsMrKey vs Miary Zo | 47–41 | 53.41% |
| ItsMrKey vs Asuka | 36–48 | 42.86% |
| ItsMrKey vs Leo | 40–42 | 48.78% |
| ItsMrKey vs Lidia | 35–43 | 44.87% |
| ItsMrKey vs Feng | 26–51 | 33.77% |
| ItsMrKey vs Xiaoyu | 27–44 | 38.03% |
| ItsMrKey vs Lars | 25–45 | 35.71% |
| ItsMrKey vs Devil Jin | 37–29 | 56.06% |
| ItsMrKey vs Alisa | 27–39 | 40.91% |
| ItsMrKey vs Nina | 29–35 | 45.31% |
| ItsMrKey vs Fahkumram | 33–28 | 54.10% |
| ItsMrKey vs Victor | 28–28 | 50.00% |
| ItsMrKey vs Raven | 16–37 | 30.19% |
| ItsMrKey vs Jack-8 | 20–27 | 42.55% |
| ItsMrKey vs Armor King | 26–20 | 56.52% |
| ItsMrKey vs Claudio | 16–23 | 41.03% |
| ItsMrKey vs Kuma | 16–21 | 43.24% |
| ItsMrKey vs Anna | 22–13 | 62.86% |
| ItsMrKey vs Clive | 14–20 | 41.18% |
| ItsMrKey vs Shaheen | 14–19 | 42.42% |
| ItsMrKey vs Zafina | 18–13 | 58.06% |
| ItsMrKey vs Leroy | 11–14 | 44.00% |
| ItsMrKey vs Panda | 2–2 | 50.00% |
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.