| Roubailay vs Kazuya | 94–64 | 59.49% |
| Roubailay vs Reina | 73–35 | 67.59% |
| Roubailay vs Jin | 50–51 | 49.50% |
| Roubailay vs Heihachi | 54–41 | 56.84% |
| Roubailay vs Bryan | 45–44 | 50.56% |
| Roubailay vs King | 45–39 | 53.57% |
| Roubailay vs Steve | 45–24 | 65.22% |
| Roubailay vs Yoshimitsu | 48–16 | 75.00% |
| Roubailay vs Paul | 30–30 | 50.00% |
| Roubailay vs Dragunov | 25–32 | 43.86% |
| Roubailay vs Hwoarang | 27–26 | 50.94% |
| Roubailay vs Lili | 29–21 | 58.00% |
| Roubailay vs Jun | 30–19 | 61.22% |
| Roubailay vs Asuka | 29–15 | 65.91% |
| Roubailay vs Lee | 18–23 | 43.90% |
| Roubailay vs Devil Jin | 23–17 | 57.50% |
| Roubailay vs Law | 18–20 | 47.37% |
| Roubailay vs Victor | 16–17 | 48.48% |
| Roubailay vs Lidia | 17–16 | 51.52% |
| Roubailay vs Jack-8 | 17–15 | 53.12% |
| Roubailay vs Xiaoyu | 18–11 | 62.07% |
| Roubailay vs Azucena | 15–12 | 55.56% |
| Roubailay vs Claudio | 16–9 | 64.00% |
| Roubailay vs Armor King | 11–12 | 47.83% |
| Roubailay vs Feng | 11–10 | 52.38% |
| Roubailay vs Leo | 12–9 | 57.14% |
| Roubailay vs Alisa | 7–9 | 43.75% |
| Roubailay vs Nina | 9–7 | 56.25% |
| Roubailay vs Eddy | 7–8 | 46.67% |
| Roubailay vs Fahkumram | 7–8 | 46.67% |
| Roubailay vs Leroy | 9–5 | 64.29% |
| Roubailay vs Clive | 10–4 | 71.43% |
| Roubailay vs Kuma | 7–6 | 53.85% |
| Roubailay vs Raven | 7–5 | 58.33% |
| Roubailay vs Lars | 5–6 | 45.45% |
| Roubailay vs Shaheen | 5–4 | 55.56% |
| Roubailay vs Miary Zo | 7–1 | 87.50% |
| Roubailay vs Panda | 4–2 | 66.67% |
| Roubailay vs Zafina | 1–2 | 33.33% |
| Roubailay vs Anna | 0–2 | 0.00% |
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.