| billyyyy vs Jin | 89–179–1 | 33.21% |
| billyyyy vs King | 56–181 | 23.63% |
| billyyyy vs Steve | 77–152–2 | 33.62% |
| billyyyy vs Hwoarang | 79–99 | 44.38% |
| billyyyy vs Law | 53–123–1 | 30.11% |
| billyyyy vs Kazuya | 40–136 | 22.73% |
| billyyyy vs Dragunov | 33–117 | 22.00% |
| billyyyy vs Eddy | 48–98 | 32.88% |
| billyyyy vs Paul | 23–88–1 | 20.72% |
| billyyyy vs Bryan | 29–81–2 | 26.36% |
| billyyyy vs Victor | 32–70 | 31.37% |
| billyyyy vs Reina | 18–77–1 | 18.95% |
| billyyyy vs Yoshimitsu | 16–77 | 17.20% |
| billyyyy vs Asuka | 7–85–1 | 7.61% |
| billyyyy vs Nina | 13–69–3 | 15.85% |
| billyyyy vs Clive | 14–68–2 | 17.07% |
| billyyyy vs Heihachi | 19–63 | 23.17% |
| billyyyy vs Lars | 25–55 | 31.25% |
| billyyyy vs Jun | 19–59 | 24.36% |
| billyyyy vs Azucena | 22–53 | 29.33% |
| billyyyy vs Lili | 11–60 | 15.49% |
| billyyyy vs Devil Jin | 13–48–2 | 21.31% |
| billyyyy vs Alisa | 6–51 | 10.53% |
| billyyyy vs Lidia | 18–37–2 | 32.73% |
| billyyyy vs Xiaoyu | 8–41–2 | 16.33% |
| billyyyy vs Fahkumram | 8–42 | 16.00% |
| billyyyy vs Jack-8 | 5–41 | 10.87% |
| billyyyy vs Lee | 19–27 | 41.30% |
| billyyyy vs Feng | 8–30 | 21.05% |
| billyyyy vs Armor King | 8–30 | 21.05% |
| billyyyy vs Leroy | 9–23 | 28.12% |
| billyyyy vs Raven | 13–17 | 43.33% |
| billyyyy vs Leo | 10–18–1 | 35.71% |
| billyyyy vs Shaheen | 4–23 | 14.81% |
| billyyyy vs Zafina | 9–13–1 | 40.91% |
| billyyyy vs Anna | 3–19 | 13.64% |
| billyyyy vs Kuma | 3–17 | 15.00% |
| billyyyy vs Claudio | 1–15 | 6.25% |
| billyyyy vs Miary Zo | 1–10 | 9.09% |
| billyyyy vs Panda | 0–10 | 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.