| Heartlessjayy vs Clive | 10–4 | 71.43% |
| Heartlessjayy vs Jin | 8–4 | 66.67% |
| Heartlessjayy vs Steve | 7–3 | 70.00% |
| Heartlessjayy vs Kazuya | 6–3 | 66.67% |
| Heartlessjayy vs Jun | 6–3 | 66.67% |
| Heartlessjayy vs Azucena | 6–3 | 66.67% |
| Heartlessjayy vs Law | 5–1 | 83.33% |
| Heartlessjayy vs King | 5–1 | 83.33% |
| Heartlessjayy vs Hwoarang | 3–3 | 50.00% |
| Heartlessjayy vs Reina | 4–2 | 66.67% |
| Heartlessjayy vs Heihachi | 6–0 | 100.00% |
| Heartlessjayy vs Paul | 4–1 | 80.00% |
| Heartlessjayy vs Dragunov | 3–2 | 60.00% |
| Heartlessjayy vs Leo | 3–2 | 60.00% |
| Heartlessjayy vs Kuma | 3–2 | 60.00% |
| Heartlessjayy vs Yoshimitsu | 3–1 | 75.00% |
| Heartlessjayy vs Xiaoyu | 2–2 | 50.00% |
| Heartlessjayy vs Claudio | 0–4 | 0.00% |
| Heartlessjayy vs Victor | 2–2 | 50.00% |
| Heartlessjayy vs Bryan | 2–1 | 66.67% |
| Heartlessjayy vs Devil Jin | 2–1 | 66.67% |
| Heartlessjayy vs Shaheen | 3–0 | 100.00% |
| Heartlessjayy vs Lee | 2–1 | 66.67% |
| Heartlessjayy vs Zafina | 2–1 | 66.67% |
| Heartlessjayy vs Eddy | 3–0 | 100.00% |
| Heartlessjayy vs Asuka | 2–0 | 100.00% |
| Heartlessjayy vs Lili | 2–0 | 100.00% |
| Heartlessjayy vs Nina | 2–0 | 100.00% |
| Heartlessjayy vs Leroy | 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.