| Grotsa vs Kazuya | 181–176 | 50.70% |
| Grotsa vs Jin | 135–152 | 47.04% |
| Grotsa vs Reina | 101–113 | 47.20% |
| Grotsa vs King | 106–104 | 50.48% |
| Grotsa vs Dragunov | 92–100 | 47.92% |
| Grotsa vs Bryan | 78–112 | 41.05% |
| Grotsa vs Hwoarang | 85–100 | 45.95% |
| Grotsa vs Steve | 87–85–1 | 50.58% |
| Grotsa vs Yoshimitsu | 62–81 | 43.36% |
| Grotsa vs Paul | 49–90 | 35.25% |
| Grotsa vs Law | 52–83 | 38.52% |
| Grotsa vs Lili | 70–55 | 56.00% |
| Grotsa vs Asuka | 56–62 | 47.46% |
| Grotsa vs Jun | 48–67 | 41.74% |
| Grotsa vs Devil Jin | 43–65 | 39.81% |
| Grotsa vs Azucena | 44–58 | 43.14% |
| Grotsa vs Eddy | 46–47 | 49.46% |
| Grotsa vs Xiaoyu | 45–43 | 51.14% |
| Grotsa vs Lars | 35–53 | 39.77% |
| Grotsa vs Lee | 34–54 | 38.64% |
| Grotsa vs Nina | 47–36 | 56.63% |
| Grotsa vs Heihachi | 36–43 | 45.57% |
| Grotsa vs Feng | 33–37 | 47.14% |
| Grotsa vs Victor | 21–43 | 32.81% |
| Grotsa vs Alisa | 35–26 | 57.38% |
| Grotsa vs Claudio | 24–36 | 40.00% |
| Grotsa vs Leroy | 28–32 | 46.67% |
| Grotsa vs Jack-8 | 22–32 | 40.74% |
| Grotsa vs Armor King | 15–34 | 30.61% |
| Grotsa vs Leo | 21–25 | 45.65% |
| Grotsa vs Raven | 19–25 | 43.18% |
| Grotsa vs Clive | 11–26 | 29.73% |
| Grotsa vs Zafina | 10–26 | 27.78% |
| Grotsa vs Lidia | 14–21 | 40.00% |
| Grotsa vs Kuma | 9–20 | 31.03% |
| Grotsa vs Shaheen | 8–18 | 30.77% |
| Grotsa vs Fahkumram | 12–13 | 48.00% |
| Grotsa vs Panda | 11–6 | 64.71% |
| Grotsa vs Anna | 9–4 | 69.23% |
| Grotsa vs Miary Zo | 3–7 | 30.00% |
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.