| Musashi Son vs Kazuya | 123–145 | 45.90% |
| Musashi Son vs Jin | 121–119 | 50.42% |
| Musashi Son vs King | 110–124 | 47.01% |
| Musashi Son vs Reina | 63–103 | 37.95% |
| Musashi Son vs Heihachi | 70–91 | 43.48% |
| Musashi Son vs Bryan | 51–105 | 32.69% |
| Musashi Son vs Steve | 71–73 | 49.31% |
| Musashi Son vs Hwoarang | 66–70 | 48.53% |
| Musashi Son vs Yoshimitsu | 46–67 | 40.71% |
| Musashi Son vs Paul | 45–63 | 41.67% |
| Musashi Son vs Law | 45–63 | 41.67% |
| Musashi Son vs Lili | 51–51 | 50.00% |
| Musashi Son vs Clive | 49–50 | 49.49% |
| Musashi Son vs Dragunov | 31–56 | 35.63% |
| Musashi Son vs Fahkumram | 39–48 | 44.83% |
| Musashi Son vs Jun | 45–40 | 52.94% |
| Musashi Son vs Nina | 34–49 | 40.96% |
| Musashi Son vs Asuka | 31–51 | 37.80% |
| Musashi Son vs Eddy | 35–32 | 52.24% |
| Musashi Son vs Victor | 25–40 | 38.46% |
| Musashi Son vs Lars | 20–44 | 31.25% |
| Musashi Son vs Azucena | 27–37 | 42.19% |
| Musashi Son vs Devil Jin | 20–42 | 32.26% |
| Musashi Son vs Lidia | 28–32 | 46.67% |
| Musashi Son vs Jack-8 | 27–29 | 48.21% |
| Musashi Son vs Alisa | 25–30 | 45.45% |
| Musashi Son vs Feng | 29–24 | 54.72% |
| Musashi Son vs Lee | 16–36 | 30.77% |
| Musashi Son vs Xiaoyu | 20–26 | 43.48% |
| Musashi Son vs Leroy | 13–20 | 39.39% |
| Musashi Son vs Claudio | 17–15 | 53.12% |
| Musashi Son vs Kuma | 11–16 | 40.74% |
| Musashi Son vs Raven | 7–16 | 30.43% |
| Musashi Son vs Leo | 8–14 | 36.36% |
| Musashi Son vs Shaheen | 10–12 | 45.45% |
| Musashi Son vs Anna | 9–11 | 45.00% |
| Musashi Son vs Zafina | 6–9 | 40.00% |
| Musashi Son vs Panda | 2–6 | 25.00% |
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.