| Leonidus vs Kazuya | 50–80 | 38.46% |
| Leonidus vs King | 63–63 | 50.00% |
| Leonidus vs Jin | 45–77 | 36.89% |
| Leonidus vs Dragunov | 36–56 | 39.13% |
| Leonidus vs Steve | 41–49 | 45.56% |
| Leonidus vs Bryan | 44–42 | 51.16% |
| Leonidus vs Reina | 38–40 | 48.72% |
| Leonidus vs Law | 26–34 | 43.33% |
| Leonidus vs Paul | 27–28 | 49.09% |
| Leonidus vs Devil Jin | 22–27 | 44.90% |
| Leonidus vs Asuka | 12–35 | 25.53% |
| Leonidus vs Alisa | 26–20 | 56.52% |
| Leonidus vs Clive | 23–23 | 50.00% |
| Leonidus vs Lidia | 23–22 | 51.11% |
| Leonidus vs Jun | 14–30 | 31.82% |
| Leonidus vs Yoshimitsu | 21–22 | 48.84% |
| Leonidus vs Hwoarang | 16–27 | 37.21% |
| Leonidus vs Eddy | 22–20 | 52.38% |
| Leonidus vs Lili | 27–13 | 67.50% |
| Leonidus vs Lars | 18–18 | 50.00% |
| Leonidus vs Heihachi | 16–20 | 44.44% |
| Leonidus vs Victor | 14–18 | 43.75% |
| Leonidus vs Claudio | 17–14 | 54.84% |
| Leonidus vs Nina | 18–12 | 60.00% |
| Leonidus vs Xiaoyu | 14–11 | 56.00% |
| Leonidus vs Leroy | 9–16 | 36.00% |
| Leonidus vs Shaheen | 6–17 | 26.09% |
| Leonidus vs Anna | 8–15 | 34.78% |
| Leonidus vs Azucena | 10–11 | 47.62% |
| Leonidus vs Armor King | 14–7 | 66.67% |
| Leonidus vs Lee | 4–16 | 20.00% |
| Leonidus vs Fahkumram | 7–8 | 46.67% |
| Leonidus vs Miary Zo | 8–7 | 53.33% |
| Leonidus vs Leo | 4–10 | 28.57% |
| Leonidus vs Raven | 6–6 | 50.00% |
| Leonidus vs Kuma | 5–5 | 50.00% |
| Leonidus vs Zafina | 1–8 | 11.11% |
| Leonidus vs Jack-8 | 3–5 | 37.50% |
| Leonidus vs Feng | 2–4 | 33.33% |
| Leonidus vs Panda | 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.