| Leonidas_1245 vs Kazuya | 35–28 | 55.56% |
| Leonidas_1245 vs Jin | 41–21 | 66.13% |
| Leonidas_1245 vs King | 31–24 | 56.36% |
| Leonidas_1245 vs Steve | 27–22 | 55.10% |
| Leonidas_1245 vs Armor King | 21–24 | 46.67% |
| Leonidas_1245 vs Hwoarang | 26–15 | 63.41% |
| Leonidas_1245 vs Bryan | 21–20 | 51.22% |
| Leonidas_1245 vs Reina | 22–19 | 53.66% |
| Leonidas_1245 vs Dragunov | 21–14 | 60.00% |
| Leonidas_1245 vs Heihachi | 22–13 | 62.86% |
| Leonidas_1245 vs Lee | 26–8 | 76.47% |
| Leonidas_1245 vs Paul | 18–14 | 56.25% |
| Leonidas_1245 vs Law | 18–14 | 56.25% |
| Leonidas_1245 vs Lili | 21–10 | 67.74% |
| Leonidas_1245 vs Lars | 16–8 | 66.67% |
| Leonidas_1245 vs Yoshimitsu | 16–5 | 76.19% |
| Leonidas_1245 vs Asuka | 13–7 | 65.00% |
| Leonidas_1245 vs Devil Jin | 8–11 | 42.11% |
| Leonidas_1245 vs Alisa | 10–9 | 52.63% |
| Leonidas_1245 vs Shaheen | 11–7 | 61.11% |
| Leonidas_1245 vs Eddy | 13–5 | 72.22% |
| Leonidas_1245 vs Lidia | 8–9 | 47.06% |
| Leonidas_1245 vs Jack-8 | 9–7 | 56.25% |
| Leonidas_1245 vs Nina | 11–5 | 68.75% |
| Leonidas_1245 vs Fahkumram | 6–10 | 37.50% |
| Leonidas_1245 vs Leroy | 12–3 | 80.00% |
| Leonidas_1245 vs Raven | 8–7 | 53.33% |
| Leonidas_1245 vs Clive | 3–9 | 25.00% |
| Leonidas_1245 vs Jun | 7–4 | 63.64% |
| Leonidas_1245 vs Xiaoyu | 5–5 | 50.00% |
| Leonidas_1245 vs Feng | 7–3 | 70.00% |
| Leonidas_1245 vs Claudio | 7–3 | 70.00% |
| Leonidas_1245 vs Azucena | 3–7 | 30.00% |
| Leonidas_1245 vs Anna | 6–4 | 60.00% |
| Leonidas_1245 vs Zafina | 4–4 | 50.00% |
| Leonidas_1245 vs Victor | 2–6 | 25.00% |
| Leonidas_1245 vs Miary Zo | 4–2 | 66.67% |
| Leonidas_1245 vs Panda | 2–3 | 40.00% |
| Leonidas_1245 vs Leo | 2–0 | 100.00% |
| Leonidas_1245 vs Kuma | 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.