| MasaMasa vs Armor King | 222–175 | 55.92% |
| MasaMasa vs Bryan | 139–117 | 54.30% |
| MasaMasa vs King | 116–117 | 49.79% |
| MasaMasa vs Steve | 99–91 | 52.11% |
| MasaMasa vs Asuka | 93–71 | 56.71% |
| MasaMasa vs Fahkumram | 87–72 | 54.72% |
| MasaMasa vs Kazuya | 90–67 | 57.32% |
| MasaMasa vs Dragunov | 83–62 | 57.24% |
| MasaMasa vs Paul | 76–67 | 53.15% |
| MasaMasa vs Jin | 85–51 | 62.50% |
| MasaMasa vs Law | 70–60 | 53.85% |
| MasaMasa vs Hwoarang | 59–60 | 49.58% |
| MasaMasa vs Feng | 78–41 | 65.55% |
| MasaMasa vs Lars | 56–63 | 47.06% |
| MasaMasa vs Anna | 63–53 | 54.31% |
| MasaMasa vs Lili | 59–49 | 54.63% |
| MasaMasa vs Heihachi | 52–56 | 48.15% |
| MasaMasa vs Miary Zo | 43–60 | 41.75% |
| MasaMasa vs Yoshimitsu | 57–45 | 55.88% |
| MasaMasa vs Reina | 46–51 | 47.42% |
| MasaMasa vs Claudio | 61–33 | 64.89% |
| MasaMasa vs Lidia | 45–48 | 48.39% |
| MasaMasa vs Xiaoyu | 49–41 | 54.44% |
| MasaMasa vs Lee | 34–47 | 41.98% |
| MasaMasa vs Alisa | 39–40 | 49.37% |
| MasaMasa vs Devil Jin | 43–33 | 56.58% |
| MasaMasa vs Jun | 32–44 | 42.11% |
| MasaMasa vs Nina | 43–32 | 57.33% |
| MasaMasa vs Victor | 29–42 | 40.85% |
| MasaMasa vs Leo | 35–34 | 50.72% |
| MasaMasa vs Leroy | 22–46 | 32.35% |
| MasaMasa vs Clive | 28–35 | 44.44% |
| MasaMasa vs Jack-8 | 30–29 | 50.85% |
| MasaMasa vs Raven | 23–31 | 42.59% |
| MasaMasa vs Eddy | 24–24 | 50.00% |
| MasaMasa vs Azucena | 22–25 | 46.81% |
| MasaMasa vs Zafina | 23–20 | 53.49% |
| MasaMasa vs Shaheen | 21–18 | 53.85% |
| MasaMasa vs Kuma | 8–20 | 28.57% |
| MasaMasa vs Panda | 5–9 | 35.71% |
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.