| SYSTEM vs Heihachi | 46–36 | 56.10% |
| SYSTEM vs Armor King | 40–27 | 59.70% |
| SYSTEM vs King | 27–31 | 46.55% |
| SYSTEM vs Kazuya | 37–20 | 64.91% |
| SYSTEM vs Jin | 31–22 | 58.49% |
| SYSTEM vs Steve | 26–22 | 54.17% |
| SYSTEM vs Law | 21–20 | 51.22% |
| SYSTEM vs Reina | 23–14 | 62.16% |
| SYSTEM vs Hwoarang | 15–21 | 41.67% |
| SYSTEM vs Asuka | 16–20 | 44.44% |
| SYSTEM vs Azucena | 16–16 | 50.00% |
| SYSTEM vs Lili | 16–15 | 51.61% |
| SYSTEM vs Paul | 16–9 | 64.00% |
| SYSTEM vs Miary Zo | 15–10 | 60.00% |
| SYSTEM vs Yoshimitsu | 18–6 | 75.00% |
| SYSTEM vs Dragunov | 10–12 | 45.45% |
| SYSTEM vs Bryan | 10–10 | 50.00% |
| SYSTEM vs Nina | 7–12 | 36.84% |
| SYSTEM vs Jun | 13–6 | 68.42% |
| SYSTEM vs Clive | 7–12 | 36.84% |
| SYSTEM vs Anna | 12–7 | 63.16% |
| SYSTEM vs Devil Jin | 6–11 | 35.29% |
| SYSTEM vs Xiaoyu | 10–6 | 62.50% |
| SYSTEM vs Lee | 8–8 | 50.00% |
| SYSTEM vs Leo | 9–6 | 60.00% |
| SYSTEM vs Feng | 9–5 | 64.29% |
| SYSTEM vs Kuma | 7–7 | 50.00% |
| SYSTEM vs Fahkumram | 5–9 | 35.71% |
| SYSTEM vs Victor | 5–6 | 45.45% |
| SYSTEM vs Lidia | 5–5 | 50.00% |
| SYSTEM vs Lars | 3–5 | 37.50% |
| SYSTEM vs Zafina | 4–4 | 50.00% |
| SYSTEM vs Jack-8 | 3–4 | 42.86% |
| SYSTEM vs Alisa | 2–5 | 28.57% |
| SYSTEM vs Leroy | 6–0 | 100.00% |
| SYSTEM vs Raven | 1–4 | 20.00% |
| SYSTEM vs Eddy | 3–2 | 60.00% |
| SYSTEM vs Shaheen | 2–2 | 50.00% |
| SYSTEM vs Claudio | 1–0 | 100.00% |
| SYSTEM vs Panda | 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.