| Sempiternus vs Jin | 25–28 | 47.17% |
| Sempiternus vs Heihachi | 26–24 | 52.00% |
| Sempiternus vs Reina | 23–21 | 52.27% |
| Sempiternus vs Bryan | 16–26 | 38.10% |
| Sempiternus vs Law | 17–18–1 | 48.57% |
| Sempiternus vs Kazuya | 14–19 | 42.42% |
| Sempiternus vs Victor | 14–18 | 43.75% |
| Sempiternus vs King | 11–16 | 40.74% |
| Sempiternus vs Jun | 14–11 | 56.00% |
| Sempiternus vs Asuka | 13–9 | 59.09% |
| Sempiternus vs Hwoarang | 9–12 | 42.86% |
| Sempiternus vs Clive | 15–3 | 83.33% |
| Sempiternus vs Paul | 9–8 | 52.94% |
| Sempiternus vs Eddy | 8–9 | 47.06% |
| Sempiternus vs Lili | 5–11 | 31.25% |
| Sempiternus vs Leo | 9–5 | 64.29% |
| Sempiternus vs Lee | 7–7 | 50.00% |
| Sempiternus vs Xiaoyu | 6–7 | 46.15% |
| Sempiternus vs Nina | 6–7 | 46.15% |
| Sempiternus vs Steve | 7–5 | 58.33% |
| Sempiternus vs Devil Jin | 7–5 | 58.33% |
| Sempiternus vs Dragunov | 6–6 | 50.00% |
| Sempiternus vs Lidia | 5–6 | 45.45% |
| Sempiternus vs Yoshimitsu | 7–2 | 77.78% |
| Sempiternus vs Feng | 3–6 | 33.33% |
| Sempiternus vs Alisa | 1–8 | 11.11% |
| Sempiternus vs Lars | 3–5 | 37.50% |
| Sempiternus vs Leroy | 2–6 | 25.00% |
| Sempiternus vs Azucena | 2–6 | 25.00% |
| Sempiternus vs Anna | 2–6 | 25.00% |
| Sempiternus vs Claudio | 3–4 | 42.86% |
| Sempiternus vs Raven | 3–3 | 50.00% |
| Sempiternus vs Jack-8 | 0–5 | 0.00% |
| Sempiternus vs Zafina | 1–3 | 25.00% |
| Sempiternus vs Kuma | 1–0 | 100.00% |
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.