| Shadow21GX vs Jin | 89–125 | 41.59% |
| Shadow21GX vs King | 107–104 | 50.71% |
| Shadow21GX vs Kazuya | 74–115 | 39.15% |
| Shadow21GX vs Law | 96–92 | 51.06% |
| Shadow21GX vs Hwoarang | 81–94 | 46.29% |
| Shadow21GX vs Eddy | 85–79 | 51.83% |
| Shadow21GX vs Heihachi | 67–82 | 44.97% |
| Shadow21GX vs Bryan | 56–81 | 40.88% |
| Shadow21GX vs Reina | 57–80 | 41.61% |
| Shadow21GX vs Dragunov | 62–72 | 46.27% |
| Shadow21GX vs Steve | 66–59 | 52.80% |
| Shadow21GX vs Clive | 64–57 | 52.89% |
| Shadow21GX vs Jun | 50–52 | 49.02% |
| Shadow21GX vs Yoshimitsu | 33–67 | 33.00% |
| Shadow21GX vs Lili | 44–55 | 44.44% |
| Shadow21GX vs Lars | 39–52 | 42.86% |
| Shadow21GX vs Paul | 34–56 | 37.78% |
| Shadow21GX vs Lidia | 39–41 | 48.75% |
| Shadow21GX vs Lee | 28–50 | 35.90% |
| Shadow21GX vs Xiaoyu | 35–42 | 45.45% |
| Shadow21GX vs Azucena | 34–35 | 49.28% |
| Shadow21GX vs Leroy | 26–42 | 38.24% |
| Shadow21GX vs Victor | 28–37 | 43.08% |
| Shadow21GX vs Armor King | 29–35 | 45.31% |
| Shadow21GX vs Asuka | 32–29 | 52.46% |
| Shadow21GX vs Nina | 28–33 | 45.90% |
| Shadow21GX vs Leo | 26–32 | 44.83% |
| Shadow21GX vs Feng | 20–28 | 41.67% |
| Shadow21GX vs Alisa | 25–22 | 53.19% |
| Shadow21GX vs Claudio | 25–19 | 56.82% |
| Shadow21GX vs Devil Jin | 14–27 | 34.15% |
| Shadow21GX vs Jack-8 | 13–19 | 40.62% |
| Shadow21GX vs Raven | 11–20 | 35.48% |
| Shadow21GX vs Fahkumram | 15–11 | 57.69% |
| Shadow21GX vs Miary Zo | 9–17 | 34.62% |
| Shadow21GX vs Anna | 8–13 | 38.10% |
| Shadow21GX vs Shaheen | 10–10 | 50.00% |
| Shadow21GX vs Zafina | 8–10 | 44.44% |
| Shadow21GX vs Kuma | 6–7 | 46.15% |
| Shadow21GX vs Panda | 6–2 | 75.00% |
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.