| kotaro vs Kazuya | 146–250 | 36.87% |
| kotaro vs Jin | 121–194 | 38.41% |
| kotaro vs King | 110–187 | 37.04% |
| kotaro vs Reina | 111–158 | 41.26% |
| kotaro vs Dragunov | 85–169 | 33.46% |
| kotaro vs Lili | 65–138 | 32.02% |
| kotaro vs Paul | 63–137 | 31.50% |
| kotaro vs Clive | 70–122 | 36.46% |
| kotaro vs Asuka | 60–127 | 32.09% |
| kotaro vs Bryan | 61–125 | 32.80% |
| kotaro vs Yoshimitsu | 53–123 | 30.11% |
| kotaro vs Hwoarang | 46–120 | 27.71% |
| kotaro vs Heihachi | 56–96 | 36.84% |
| kotaro vs Steve | 48–100 | 32.43% |
| kotaro vs Armor King | 42–106 | 28.38% |
| kotaro vs Law | 40–106 | 27.40% |
| kotaro vs Jun | 41–92 | 30.83% |
| kotaro vs Azucena | 38–83 | 31.40% |
| kotaro vs Victor | 40–80 | 33.33% |
| kotaro vs Fahkumram | 40–79 | 33.61% |
| kotaro vs Devil Jin | 35–83 | 29.66% |
| kotaro vs Claudio | 27–83 | 24.55% |
| kotaro vs Lidia | 35–66 | 34.65% |
| kotaro vs Xiaoyu | 37–61 | 37.76% |
| kotaro vs Leo | 38–53 | 41.76% |
| kotaro vs Alisa | 22–63 | 25.88% |
| kotaro vs Nina | 32–53 | 37.65% |
| kotaro vs Lee | 29–44 | 39.73% |
| kotaro vs Kuma | 23–50 | 31.51% |
| kotaro vs Eddy | 23–49 | 31.94% |
| kotaro vs Feng | 23–45 | 33.82% |
| kotaro vs Lars | 18–50 | 26.47% |
| kotaro vs Anna | 31–32 | 49.21% |
| kotaro vs Shaheen | 20–37 | 35.09% |
| kotaro vs Miary Zo | 22–35 | 38.60% |
| kotaro vs Leroy | 18–37 | 32.73% |
| kotaro vs Jack-8 | 17–27 | 38.64% |
| kotaro vs Raven | 8–28 | 22.22% |
| kotaro vs Panda | 13–18 | 41.94% |
| kotaro vs Zafina | 5–17 | 22.73% |
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.