| Harper vs Steve | 8–5 | 61.54% |
| Harper vs Reina | 4–2 | 66.67% |
| Harper vs Heihachi | 0–5 | 0.00% |
| Harper vs Law | 3–1 | 75.00% |
| Harper vs Jin | 0–4 | 0.00% |
| Harper vs Kuma | 1–3 | 25.00% |
| Harper vs Lidia | 3–1 | 75.00% |
| Harper vs Clive | 3–1 | 75.00% |
| Harper vs Yoshimitsu | 2–1 | 66.67% |
| Harper vs Bryan | 1–2 | 33.33% |
| Harper vs Kazuya | 0–3 | 0.00% |
| Harper vs Jack-8 | 1–2 | 33.33% |
| Harper vs Devil Jin | 1–2 | 33.33% |
| Harper vs Nina | 2–1 | 66.67% |
| Harper vs Leroy | 0–3 | 0.00% |
| Harper vs Victor | 2–1 | 66.67% |
| Harper vs Hwoarang | 0–2 | 0.00% |
| Harper vs Lili | 2–0 | 100.00% |
| Harper vs Dragunov | 2–0 | 100.00% |
| Harper vs Shaheen | 1–1 | 50.00% |
| Harper vs Lee | 1–1 | 50.00% |
| Harper vs Zafina | 0–2 | 0.00% |
| Harper vs Jun | 1–1 | 50.00% |
| Harper vs Anna | 0–2 | 0.00% |
| Harper vs Armor King | 2–0 | 100.00% |
| Harper vs Leo | 1–0 | 100.00% |
| Harper vs Lars | 0–1 | 0.00% |
| Harper vs Alisa | 1–0 | 100.00% |
| Harper vs Fahkumram | 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.