| ItsHeartless vs Eddy | 10–19 | 34.48% |
| ItsHeartless vs Reina | 16–12 | 57.14% |
| ItsHeartless vs King | 9–11 | 45.00% |
| ItsHeartless vs Dragunov | 10–10 | 50.00% |
| ItsHeartless vs Lili | 11–7 | 61.11% |
| ItsHeartless vs Jin | 11–6 | 64.71% |
| ItsHeartless vs Lee | 8–7 | 53.33% |
| ItsHeartless vs Jun | 8–7 | 53.33% |
| ItsHeartless vs Victor | 10–3 | 76.92% |
| ItsHeartless vs Paul | 5–6 | 45.45% |
| ItsHeartless vs Hwoarang | 4–7 | 36.36% |
| ItsHeartless vs Law | 7–3 | 70.00% |
| ItsHeartless vs Yoshimitsu | 2–8 | 20.00% |
| ItsHeartless vs Nina | 4–6 | 40.00% |
| ItsHeartless vs Bryan | 6–3 | 66.67% |
| ItsHeartless vs Steve | 7–2 | 77.78% |
| ItsHeartless vs Feng | 4–5 | 44.44% |
| ItsHeartless vs Lars | 4–5 | 44.44% |
| ItsHeartless vs Asuka | 3–5 | 37.50% |
| ItsHeartless vs Devil Jin | 4–4 | 50.00% |
| ItsHeartless vs Alisa | 6–2 | 75.00% |
| ItsHeartless vs Leroy | 6–2 | 75.00% |
| ItsHeartless vs Clive | 8–0 | 100.00% |
| ItsHeartless vs Kazuya | 4–3 | 57.14% |
| ItsHeartless vs Xiaoyu | 6–0 | 100.00% |
| ItsHeartless vs Lidia | 2–4 | 33.33% |
| ItsHeartless vs Jack-8 | 2–3 | 40.00% |
| ItsHeartless vs Zafina | 5–0 | 100.00% |
| ItsHeartless vs Azucena | 1–4 | 20.00% |
| ItsHeartless vs Leo | 1–3 | 25.00% |
| ItsHeartless vs Claudio | 2–1 | 66.67% |
| ItsHeartless vs Raven | 2–1 | 66.67% |
| ItsHeartless vs Heihachi | 3–0 | 100.00% |
| ItsHeartless vs Panda | 1–1 | 50.00% |
| ItsHeartless vs Shaheen | 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.