| Leonidus vs King | 63–63 | 50.00% |
| Leonidus vs Kazuya | 47–77 | 37.90% |
| Leonidus vs Jin | 43–75 | 36.44% |
| Leonidus vs Steve | 41–47 | 46.59% |
| Leonidus vs Dragunov | 33–54 | 37.93% |
| Leonidus vs Bryan | 42–42 | 50.00% |
| Leonidus vs Reina | 38–40 | 48.72% |
| Leonidus vs Law | 26–34 | 43.33% |
| Leonidus vs Paul | 24–27 | 47.06% |
| Leonidus vs Asuka | 12–35 | 25.53% |
| Leonidus vs Devil Jin | 20–27 | 42.55% |
| Leonidus vs Clive | 23–23 | 50.00% |
| Leonidus vs Lidia | 23–22 | 51.11% |
| Leonidus vs Jun | 14–30 | 31.82% |
| Leonidus vs Hwoarang | 16–27 | 37.21% |
| Leonidus vs Eddy | 22–20 | 52.38% |
| Leonidus vs Yoshimitsu | 21–20 | 51.22% |
| Leonidus vs Alisa | 22–19 | 53.66% |
| Leonidus vs Lili | 26–11 | 70.27% |
| 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 Shaheen | 6–17 | 26.09% |
| Leonidus vs Xiaoyu | 14–7 | 66.67% |
| Leonidus vs Azucena | 10–11 | 47.62% |
| Leonidus vs Anna | 6–15 | 28.57% |
| Leonidus vs Lee | 4–16 | 20.00% |
| Leonidus vs Leroy | 8–12 | 40.00% |
| Leonidus vs Armor King | 12–6 | 66.67% |
| Leonidus vs Fahkumram | 7–8 | 46.67% |
| Leonidus vs Miary Zo | 8–7 | 53.33% |
| Leonidus vs Raven | 6–6 | 50.00% |
| Leonidus vs Leo | 3–8 | 27.27% |
| Leonidus vs Kuma | 5–5 | 50.00% |
| Leonidus vs Jack-8 | 3–5 | 37.50% |
| Leonidus vs Zafina | 1–6 | 14.29% |
| 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.