| Björnis vs Kazuya | 43–31 | 58.11% |
| Björnis vs Jin | 40–27 | 59.70% |
| Björnis vs Bryan | 26–32 | 44.83% |
| Björnis vs Reina | 25–26 | 49.02% |
| Björnis vs Lili | 22–27 | 44.90% |
| Björnis vs Hwoarang | 29–17 | 63.04% |
| Björnis vs Armor King | 26–13 | 66.67% |
| Björnis vs Law | 24–14 | 63.16% |
| Björnis vs Dragunov | 23–14 | 62.16% |
| Björnis vs Paul | 13–21 | 38.24% |
| Björnis vs Yoshimitsu | 15–19 | 44.12% |
| Björnis vs Feng | 21–12 | 63.64% |
| Björnis vs Steve | 22–10 | 68.75% |
| Björnis vs King | 14–14 | 50.00% |
| Björnis vs Lee | 11–14 | 44.00% |
| Björnis vs Lars | 6–17 | 26.09% |
| Björnis vs Azucena | 8–14 | 36.36% |
| Björnis vs Asuka | 12–7 | 63.16% |
| Björnis vs Devil Jin | 5–13 | 27.78% |
| Björnis vs Leo | 8–10 | 44.44% |
| Björnis vs Alisa | 6–12 | 33.33% |
| Björnis vs Nina | 10–7 | 58.82% |
| Björnis vs Leroy | 10–7 | 58.82% |
| Björnis vs Xiaoyu | 11–5 | 68.75% |
| Björnis vs Jun | 8–8 | 50.00% |
| Björnis vs Victor | 6–9 | 40.00% |
| Björnis vs Raven | 9–6 | 60.00% |
| Björnis vs Heihachi | 6–8 | 42.86% |
| Björnis vs Claudio | 8–4 | 66.67% |
| Björnis vs Kuma | 1–9 | 10.00% |
| Björnis vs Lidia | 3–7 | 30.00% |
| Björnis vs Shaheen | 4–5 | 44.44% |
| Björnis vs Fahkumram | 7–2 | 77.78% |
| Björnis vs Miary Zo | 2–6 | 25.00% |
| Björnis vs Jack-8 | 2–5 | 28.57% |
| Björnis vs Zafina | 4–3 | 57.14% |
| Björnis vs Eddy | 3–3 | 50.00% |
| Björnis vs Panda | 2–3 | 40.00% |
| Björnis vs Anna | 0–1 | 0.00% |
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.