| Tamasese vs Jin | 48–30 | 61.54% |
| Tamasese vs Lili | 33–36 | 47.83% |
| Tamasese vs Kazuya | 27–31 | 46.55% |
| Tamasese vs King | 30–27 | 52.63% |
| Tamasese vs Reina | 35–22 | 61.40% |
| Tamasese vs Hwoarang | 29–26 | 52.73% |
| Tamasese vs Steve | 32–22 | 59.26% |
| Tamasese vs Law | 23–30 | 43.40% |
| Tamasese vs Bryan | 25–27 | 48.08% |
| Tamasese vs Heihachi | 16–32 | 33.33% |
| Tamasese vs Lidia | 22–18 | 55.00% |
| Tamasese vs Paul | 15–24 | 38.46% |
| Tamasese vs Lars | 21–15 | 58.33% |
| Tamasese vs Asuka | 15–15 | 50.00% |
| Tamasese vs Victor | 14–16 | 46.67% |
| Tamasese vs Yoshimitsu | 16–12 | 57.14% |
| Tamasese vs Nina | 14–14 | 50.00% |
| Tamasese vs Xiaoyu | 16–11 | 59.26% |
| Tamasese vs Kuma | 9–17 | 34.62% |
| Tamasese vs Jun | 13–13 | 50.00% |
| Tamasese vs Alisa | 16–9 | 64.00% |
| Tamasese vs Dragunov | 11–13 | 45.83% |
| Tamasese vs Eddy | 5–19 | 20.83% |
| Tamasese vs Jack-8 | 5–17 | 22.73% |
| Tamasese vs Leo | 11–11 | 50.00% |
| Tamasese vs Shaheen | 14–6 | 70.00% |
| Tamasese vs Azucena | 5–15 | 25.00% |
| Tamasese vs Lee | 8–11 | 42.11% |
| Tamasese vs Leroy | 11–7 | 61.11% |
| Tamasese vs Feng | 8–4 | 66.67% |
| Tamasese vs Claudio | 5–6 | 45.45% |
| Tamasese vs Raven | 5–6 | 45.45% |
| Tamasese vs Devil Jin | 2–8 | 20.00% |
| Tamasese vs Panda | 3–2 | 60.00% |
| Tamasese vs Zafina | 0–4 | 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.