| Sephinoctis vs Kazuya | 192–140 | 57.83% |
| Sephinoctis vs Jin | 160–140 | 53.33% |
| Sephinoctis vs King | 143–119 | 54.58% |
| Sephinoctis vs Bryan | 135–126 | 51.72% |
| Sephinoctis vs Armor King | 123–101 | 54.91% |
| Sephinoctis vs Hwoarang | 111–92 | 54.68% |
| Sephinoctis vs Dragunov | 96–89 | 51.89% |
| Sephinoctis vs Law | 95–83 | 53.37% |
| Sephinoctis vs Devil Jin | 95–75 | 55.88% |
| Sephinoctis vs Miary Zo | 79–91 | 46.47% |
| Sephinoctis vs Yoshimitsu | 91–76 | 54.49% |
| Sephinoctis vs Steve | 75–88 | 46.01% |
| Sephinoctis vs Lee | 87–71 | 55.06% |
| Sephinoctis vs Paul | 82–73 | 52.90% |
| Sephinoctis vs Lili | 75–72 | 51.02% |
| Sephinoctis vs Reina | 92–54 | 63.01% |
| Sephinoctis vs Clive | 70–64 | 52.24% |
| Sephinoctis vs Anna | 74–60 | 55.22% |
| Sephinoctis vs Heihachi | 71–57 | 55.47% |
| Sephinoctis vs Azucena | 64–63 | 50.39% |
| Sephinoctis vs Jun | 61–59 | 50.83% |
| Sephinoctis vs Lars | 59–60 | 49.58% |
| Sephinoctis vs Asuka | 61–56 | 52.14% |
| Sephinoctis vs Shaheen | 60–53 | 53.10% |
| Sephinoctis vs Alisa | 45–61 | 42.45% |
| Sephinoctis vs Feng | 55–48 | 53.40% |
| Sephinoctis vs Claudio | 58–45 | 56.31% |
| Sephinoctis vs Xiaoyu | 49–48 | 50.52% |
| Sephinoctis vs Fahkumram | 52–45 | 53.61% |
| Sephinoctis vs Zafina | 58–38 | 60.42% |
| Sephinoctis vs Victor | 44–47 | 48.35% |
| Sephinoctis vs Leo | 48–42 | 53.33% |
| Sephinoctis vs Lidia | 56–32 | 63.64% |
| Sephinoctis vs Leroy | 49–38 | 56.32% |
| Sephinoctis vs Nina | 37–45 | 45.12% |
| Sephinoctis vs Eddy | 29–53 | 35.37% |
| Sephinoctis vs Raven | 41–39 | 51.25% |
| Sephinoctis vs Kuma | 26–32 | 44.83% |
| Sephinoctis vs Jack-8 | 25–28 | 47.17% |
| Sephinoctis vs Panda | 14–14 | 50.00% |
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.