| MasterFlex vs King | 103–99 | 50.99% |
| MasterFlex vs Kazuya | 92–85 | 51.98% |
| MasterFlex vs Hwoarang | 74–93 | 44.31% |
| MasterFlex vs Jin | 72–88 | 45.00% |
| MasterFlex vs Bryan | 62–87 | 41.61% |
| MasterFlex vs Dragunov | 62–79 | 43.97% |
| MasterFlex vs Reina | 57–78 | 42.22% |
| MasterFlex vs Steve | 52–75 | 40.94% |
| MasterFlex vs Lili | 57–70 | 44.88% |
| MasterFlex vs Law | 48–63 | 43.24% |
| MasterFlex vs Paul | 47–59 | 44.34% |
| MasterFlex vs Asuka | 55–47 | 53.92% |
| MasterFlex vs Victor | 54–45 | 54.55% |
| MasterFlex vs Lars | 44–51 | 46.32% |
| MasterFlex vs Azucena | 48–47 | 50.53% |
| MasterFlex vs Eddy | 48–40 | 54.55% |
| MasterFlex vs Jun | 43–41 | 51.19% |
| MasterFlex vs Lee | 36–44 | 45.00% |
| MasterFlex vs Xiaoyu | 37–41 | 47.44% |
| MasterFlex vs Nina | 34–44 | 43.59% |
| MasterFlex vs Leroy | 34–38 | 47.22% |
| MasterFlex vs Feng | 36–34 | 51.43% |
| MasterFlex vs Yoshimitsu | 38–26 | 59.38% |
| MasterFlex vs Heihachi | 26–38 | 40.62% |
| MasterFlex vs Leo | 18–36 | 33.33% |
| MasterFlex vs Armor King | 24–26 | 48.00% |
| MasterFlex vs Raven | 17–29 | 36.96% |
| MasterFlex vs Devil Jin | 24–20 | 54.55% |
| MasterFlex vs Alisa | 23–19 | 54.76% |
| MasterFlex vs Claudio | 17–20 | 45.95% |
| MasterFlex vs Jack-8 | 15–19 | 44.12% |
| MasterFlex vs Lidia | 16–18 | 47.06% |
| MasterFlex vs Clive | 12–20 | 37.50% |
| MasterFlex vs Fahkumram | 15–17 | 46.88% |
| MasterFlex vs Kuma | 8–18 | 30.77% |
| MasterFlex vs Zafina | 8–16 | 33.33% |
| MasterFlex vs Miary Zo | 9–9 | 50.00% |
| MasterFlex vs Shaheen | 6–9 | 40.00% |
| MasterFlex vs Anna | 4–7 | 36.36% |
| MasterFlex vs Panda | 4–1 | 80.00% |
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.