| Thalassa vs Kazuya | 10–5 | 66.67% |
| Thalassa vs Reina | 15–0 | 100.00% |
| Thalassa vs Jin | 8–6 | 57.14% |
| Thalassa vs Yoshimitsu | 8–3 | 72.73% |
| Thalassa vs Law | 6–1 | 85.71% |
| Thalassa vs Heihachi | 2–5 | 28.57% |
| Thalassa vs Hwoarang | 2–4 | 33.33% |
| Thalassa vs Claudio | 5–1 | 83.33% |
| Thalassa vs Lee | 2–4 | 33.33% |
| Thalassa vs Leroy | 3–3 | 50.00% |
| Thalassa vs Zafina | 5–0 | 100.00% |
| Thalassa vs Devil Jin | 4–0 | 100.00% |
| Thalassa vs Feng | 0–4 | 0.00% |
| Thalassa vs Nina | 1–3 | 25.00% |
| Thalassa vs Kuma | 2–2 | 50.00% |
| Thalassa vs Lidia | 4–0 | 100.00% |
| Thalassa vs King | 2–1 | 66.67% |
| Thalassa vs Steve | 2–1 | 66.67% |
| Thalassa vs Asuka | 2–1 | 66.67% |
| Thalassa vs Dragunov | 2–1 | 66.67% |
| Thalassa vs Jun | 2–1 | 66.67% |
| Thalassa vs Xiaoyu | 2–0 | 100.00% |
| Thalassa vs Bryan | 2–0 | 100.00% |
| Thalassa vs Leo | 2–0 | 100.00% |
| Thalassa vs Lars | 2–0 | 100.00% |
| Thalassa vs Alisa | 2–0 | 100.00% |
| Thalassa vs Victor | 1–1 | 50.00% |
| Thalassa vs Clive | 2–0 | 100.00% |
| Thalassa vs Jack-8 | 1–0 | 100.00% |
| Thalassa vs Azucena | 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.