| Mark vs Bryan | 173–138 | 55.63% |
| Mark vs Kazuya | 153–105 | 59.30% |
| Mark vs King | 165–90 | 64.71% |
| Mark vs Jin | 136–92 | 59.65% |
| Mark vs Reina | 102–121 | 45.74% |
| Mark vs Hwoarang | 121–79 | 60.50% |
| Mark vs Steve | 100–96 | 51.02% |
| Mark vs Heihachi | 107–73 | 59.44% |
| Mark vs Law | 132–42 | 75.86% |
| Mark vs Dragunov | 89–75 | 54.27% |
| Mark vs Lili | 100–57 | 63.69% |
| Mark vs Paul | 105–51 | 67.31% |
| Mark vs Lee | 69–72 | 48.94% |
| Mark vs Yoshimitsu | 73–58 | 55.73% |
| Mark vs Jun | 63–65 | 49.22% |
| Mark vs Xiaoyu | 65–48 | 57.52% |
| Mark vs Azucena | 56–56 | 50.00% |
| Mark vs Asuka | 62–44 | 58.49% |
| Mark vs Devil Jin | 59–47 | 55.66% |
| Mark vs Lars | 40–60 | 40.00% |
| Mark vs Lidia | 59–41 | 59.00% |
| Mark vs Nina | 57–39 | 59.38% |
| Mark vs Clive | 49–47 | 51.04% |
| Mark vs Armor King | 41–38 | 51.90% |
| Mark vs Leo | 33–45 | 42.31% |
| Mark vs Leroy | 41–35 | 53.95% |
| Mark vs Claudio | 38–31 | 55.07% |
| Mark vs Feng | 41–27 | 60.29% |
| Mark vs Jack-8 | 23–41 | 35.94% |
| Mark vs Zafina | 32–30 | 51.61% |
| Mark vs Raven | 34–28 | 54.84% |
| Mark vs Eddy | 28–32 | 46.67% |
| Mark vs Alisa | 31–28 | 52.54% |
| Mark vs Victor | 25–34 | 42.37% |
| Mark vs Shaheen | 24–28 | 46.15% |
| Mark vs Kuma | 20–23 | 46.51% |
| Mark vs Anna | 17–16 | 51.52% |
| Mark vs Fahkumram | 15–10 | 60.00% |
| Mark vs Miary Zo | 7–12 | 36.84% |
| Mark vs Panda | 6–9 | 40.00% |
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.