| Heartsyy vs Jin | 30–25 | 54.55% |
| Heartsyy vs Kazuya | 17–34 | 33.33% |
| Heartsyy vs King | 27–15 | 64.29% |
| Heartsyy vs Hwoarang | 21–19 | 52.50% |
| Heartsyy vs Heihachi | 17–22 | 43.59% |
| Heartsyy vs Reina | 18–18 | 50.00% |
| Heartsyy vs Jun | 20–12 | 62.50% |
| Heartsyy vs Dragunov | 8–21 | 27.59% |
| Heartsyy vs Law | 19–9 | 67.86% |
| Heartsyy vs Bryan | 15–12 | 55.56% |
| Heartsyy vs Steve | 14–13 | 51.85% |
| Heartsyy vs Yoshimitsu | 15–11 | 57.69% |
| Heartsyy vs Azucena | 12–13 | 48.00% |
| Heartsyy vs Clive | 14–9 | 60.87% |
| Heartsyy vs Paul | 10–12 | 45.45% |
| Heartsyy vs Nina | 11–11 | 50.00% |
| Heartsyy vs Leo | 9–10 | 47.37% |
| Heartsyy vs Asuka | 7–10 | 41.18% |
| Heartsyy vs Lili | 10–7 | 58.82% |
| Heartsyy vs Eddy | 8–9 | 47.06% |
| Heartsyy vs Jack-8 | 8–8 | 50.00% |
| Heartsyy vs Victor | 8–7 | 53.33% |
| Heartsyy vs Shaheen | 9–5 | 64.29% |
| Heartsyy vs Feng | 5–8 | 38.46% |
| Heartsyy vs Lars | 6–7 | 46.15% |
| Heartsyy vs Devil Jin | 2–10 | 16.67% |
| Heartsyy vs Alisa | 1–11 | 8.33% |
| Heartsyy vs Lidia | 5–6 | 45.45% |
| Heartsyy vs Panda | 5–5 | 50.00% |
| Heartsyy vs Lee | 7–2 | 77.78% |
| Heartsyy vs Leroy | 6–3 | 66.67% |
| Heartsyy vs Xiaoyu | 3–5 | 37.50% |
| Heartsyy vs Claudio | 3–2 | 60.00% |
| Heartsyy vs Kuma | 1–4 | 20.00% |
| Heartsyy vs Zafina | 1–4 | 20.00% |
| Heartsyy vs Raven | 2–3 | 40.00% |
| Heartsyy vs Fahkumram | 2–2 | 50.00% |
| Heartsyy vs Armor King | 0–2 | 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.