| Riffzilla vs Kazuya | 74–54 | 57.81% |
| Riffzilla vs Bryan | 41–35 | 53.95% |
| Riffzilla vs Jin | 34–33 | 50.75% |
| Riffzilla vs King | 29–33 | 46.77% |
| Riffzilla vs Heihachi | 31–29 | 51.67% |
| Riffzilla vs Law | 26–29 | 47.27% |
| Riffzilla vs Lili | 27–28 | 49.09% |
| Riffzilla vs Steve | 29–19 | 60.42% |
| Riffzilla vs Reina | 25–23 | 52.08% |
| Riffzilla vs Lidia | 22–26 | 45.83% |
| Riffzilla vs Paul | 16–30 | 34.78% |
| Riffzilla vs Hwoarang | 18–26 | 40.91% |
| Riffzilla vs Yoshimitsu | 24–15 | 61.54% |
| Riffzilla vs Victor | 17–19 | 47.22% |
| Riffzilla vs Devil Jin | 15–18 | 45.45% |
| Riffzilla vs Dragunov | 17–15 | 53.12% |
| Riffzilla vs Nina | 15–13 | 53.57% |
| Riffzilla vs Jun | 20–8 | 71.43% |
| Riffzilla vs Clive | 14–14 | 50.00% |
| Riffzilla vs Feng | 14–13 | 51.85% |
| Riffzilla vs Azucena | 14–13 | 51.85% |
| Riffzilla vs Lee | 10–15 | 40.00% |
| Riffzilla vs Eddy | 14–11 | 56.00% |
| Riffzilla vs Asuka | 12–12 | 50.00% |
| Riffzilla vs Xiaoyu | 13–8 | 61.90% |
| Riffzilla vs Leo | 8–8 | 50.00% |
| Riffzilla vs Lars | 7–9 | 43.75% |
| Riffzilla vs Leroy | 9–7 | 56.25% |
| Riffzilla vs Jack-8 | 2–12 | 14.29% |
| Riffzilla vs Alisa | 9–5 | 64.29% |
| Riffzilla vs Claudio | 4–9 | 30.77% |
| Riffzilla vs Anna | 6–7 | 46.15% |
| Riffzilla vs Raven | 5–5 | 50.00% |
| Riffzilla vs Kuma | 2–5 | 28.57% |
| Riffzilla vs Zafina | 2–4 | 33.33% |
| Riffzilla vs Fahkumram | 4–1 | 80.00% |
| Riffzilla vs Panda | 0–3 | 0.00% |
| Riffzilla vs Shaheen | 2–0 | 100.00% |
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.