| Mardy vs King | 226–187 | 54.72% |
| Mardy vs Hwoarang | 182–173 | 51.27% |
| Mardy vs Jin | 166–165 | 50.15% |
| Mardy vs Bryan | 152–164 | 48.10% |
| Mardy vs Law | 165–136 | 54.82% |
| Mardy vs Kazuya | 160–140 | 53.33% |
| Mardy vs Reina | 144–132 | 52.17% |
| Mardy vs Steve | 143–125 | 53.36% |
| Mardy vs Paul | 129–114 | 53.09% |
| Mardy vs Lili | 109–121 | 47.39% |
| Mardy vs Dragunov | 106–114 | 48.18% |
| Mardy vs Yoshimitsu | 106–113 | 48.40% |
| Mardy vs Lee | 81–136 | 37.33% |
| Mardy vs Lars | 101–112 | 47.42% |
| Mardy vs Nina | 93–89 | 51.10% |
| Mardy vs Eddy | 97–77 | 55.75% |
| Mardy vs Raven | 80–80 | 50.00% |
| Mardy vs Azucena | 77–82 | 48.43% |
| Mardy vs Asuka | 78–77 | 50.32% |
| Mardy vs Heihachi | 79–73 | 51.97% |
| Mardy vs Devil Jin | 76–75 | 50.33% |
| Mardy vs Victor | 68–81 | 45.64% |
| Mardy vs Feng | 78–67 | 53.79% |
| Mardy vs Xiaoyu | 64–79 | 44.76% |
| Mardy vs Alisa | 68–73 | 48.23% |
| Mardy vs Jun | 56–79 | 41.48% |
| Mardy vs Leo | 55–57 | 49.11% |
| Mardy vs Leroy | 52–46 | 53.06% |
| Mardy vs Kuma | 48–43 | 52.75% |
| Mardy vs Lidia | 41–41 | 50.00% |
| Mardy vs Zafina | 35–44 | 44.30% |
| Mardy vs Jack-8 | 37–40 | 48.05% |
| Mardy vs Shaheen | 31–46 | 40.26% |
| Mardy vs Claudio | 32–37 | 46.38% |
| Mardy vs Clive | 19–29 | 39.58% |
| Mardy vs Anna | 15–29 | 34.09% |
| Mardy vs Panda | 25–14 | 64.10% |
| Mardy vs Fahkumram | 16–21 | 43.24% |
| Mardy vs Miary Zo | 14–15 | 48.28% |
| Mardy vs Armor King | 10–18 | 35.71% |
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.