| StarStream2121 vs King | 19–17 | 52.78% |
| StarStream2121 vs Eddy | 10–16 | 38.46% |
| StarStream2121 vs Jin | 13–12 | 52.00% |
| StarStream2121 vs Armor King | 12–13 | 48.00% |
| StarStream2121 vs Hwoarang | 11–13 | 45.83% |
| StarStream2121 vs Steve | 18–6 | 75.00% |
| StarStream2121 vs Miary Zo | 14–9 | 60.87% |
| StarStream2121 vs Law | 15–6 | 71.43% |
| StarStream2121 vs Dragunov | 11–8 | 57.89% |
| StarStream2121 vs Clive | 9–7 | 56.25% |
| StarStream2121 vs Kazuya | 8–6 | 57.14% |
| StarStream2121 vs Paul | 5–8 | 38.46% |
| StarStream2121 vs Leo | 11–2 | 84.62% |
| StarStream2121 vs Jun | 3–10 | 23.08% |
| StarStream2121 vs Azucena | 10–3 | 76.92% |
| StarStream2121 vs Lili | 5–7 | 41.67% |
| StarStream2121 vs Reina | 4–8 | 33.33% |
| StarStream2121 vs Yoshimitsu | 5–6 | 45.45% |
| StarStream2121 vs Xiaoyu | 6–4 | 60.00% |
| StarStream2121 vs Nina | 1–9 | 10.00% |
| StarStream2121 vs Victor | 5–5 | 50.00% |
| StarStream2121 vs Fahkumram | 5–5 | 50.00% |
| StarStream2121 vs Lars | 3–5 | 37.50% |
| StarStream2121 vs Kuma | 2–6 | 25.00% |
| StarStream2121 vs Heihachi | 3–5 | 37.50% |
| StarStream2121 vs Lee | 6–1 | 85.71% |
| StarStream2121 vs Devil Jin | 2–4 | 33.33% |
| StarStream2121 vs Zafina | 5–1 | 83.33% |
| StarStream2121 vs Lidia | 5–1 | 83.33% |
| StarStream2121 vs Bryan | 3–2 | 60.00% |
| StarStream2121 vs Alisa | 3–2 | 60.00% |
| StarStream2121 vs Feng | 0–4 | 0.00% |
| StarStream2121 vs Leroy | 2–2 | 50.00% |
| StarStream2121 vs Asuka | 0–3 | 0.00% |
| StarStream2121 vs Jack-8 | 1–1 | 50.00% |
| StarStream2121 vs Claudio | 0–2 | 0.00% |
| StarStream2121 vs Anna | 2–0 | 100.00% |
| StarStream2121 vs Raven | 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.