| Monkey D. Ruffy vs Kazuya | 193–151 | 56.10% |
| Monkey D. Ruffy vs Jin | 183–160 | 53.35% |
| Monkey D. Ruffy vs Hwoarang | 148–136 | 52.11% |
| Monkey D. Ruffy vs Law | 157–104 | 60.15% |
| Monkey D. Ruffy vs King | 115–117 | 49.57% |
| Monkey D. Ruffy vs Heihachi | 126–89 | 58.60% |
| Monkey D. Ruffy vs Paul | 78–99 | 44.07% |
| Monkey D. Ruffy vs Bryan | 81–93 | 46.55% |
| Monkey D. Ruffy vs Steve | 90–82 | 52.33% |
| Monkey D. Ruffy vs Nina | 60–73 | 45.11% |
| Monkey D. Ruffy vs Lili | 60–72 | 45.45% |
| Monkey D. Ruffy vs Reina | 68–61 | 52.71% |
| Monkey D. Ruffy vs Clive | 60–63 | 48.78% |
| Monkey D. Ruffy vs Dragunov | 63–59 | 51.64% |
| Monkey D. Ruffy vs Eddy | 62–60 | 50.82% |
| Monkey D. Ruffy vs Yoshimitsu | 62–58 | 51.67% |
| Monkey D. Ruffy vs Victor | 68–50 | 57.63% |
| Monkey D. Ruffy vs Jun | 62–45 | 57.94% |
| Monkey D. Ruffy vs Fahkumram | 51–50 | 50.50% |
| Monkey D. Ruffy vs Lee | 44–55 | 44.44% |
| Monkey D. Ruffy vs Feng | 37–54 | 40.66% |
| Monkey D. Ruffy vs Azucena | 55–36 | 60.44% |
| Monkey D. Ruffy vs Asuka | 46–41 | 52.87% |
| Monkey D. Ruffy vs Alisa | 42–43 | 49.41% |
| Monkey D. Ruffy vs Devil Jin | 40–44 | 47.62% |
| Monkey D. Ruffy vs Xiaoyu | 39–44 | 46.99% |
| Monkey D. Ruffy vs Lars | 39–42 | 48.15% |
| Monkey D. Ruffy vs Anna | 32–28 | 53.33% |
| Monkey D. Ruffy vs Leroy | 27–28 | 49.09% |
| Monkey D. Ruffy vs Jack-8 | 29–22 | 56.86% |
| Monkey D. Ruffy vs Lidia | 23–28 | 45.10% |
| Monkey D. Ruffy vs Claudio | 22–25 | 46.81% |
| Monkey D. Ruffy vs Raven | 19–25 | 43.18% |
| Monkey D. Ruffy vs Kuma | 24–14 | 63.16% |
| Monkey D. Ruffy vs Armor King | 13–20 | 39.39% |
| Monkey D. Ruffy vs Leo | 18–11 | 62.07% |
| Monkey D. Ruffy vs Zafina | 7–21 | 25.00% |
| Monkey D. Ruffy vs Shaheen | 8–7 | 53.33% |
| Monkey D. Ruffy vs Miary Zo | 9–4 | 69.23% |
| Monkey D. Ruffy vs Panda | 7–5 | 58.33% |
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.