| KLKilliam vs Kazuya | 38–46 | 45.24% |
| KLKilliam vs Reina | 24–23 | 51.06% |
| KLKilliam vs Jin | 15–31 | 32.61% |
| KLKilliam vs King | 21–21 | 50.00% |
| KLKilliam vs Law | 22–17 | 56.41% |
| KLKilliam vs Bryan | 15–17 | 46.88% |
| KLKilliam vs Lili | 18–14 | 56.25% |
| KLKilliam vs Heihachi | 16–16 | 50.00% |
| KLKilliam vs Lars | 15–16 | 48.39% |
| KLKilliam vs Yoshimitsu | 13–17 | 43.33% |
| KLKilliam vs Steve | 10–20 | 33.33% |
| KLKilliam vs Asuka | 9–18 | 33.33% |
| KLKilliam vs Jun | 11–12 | 47.83% |
| KLKilliam vs Hwoarang | 8–14 | 36.36% |
| KLKilliam vs Nina | 13–7 | 65.00% |
| KLKilliam vs Devil Jin | 7–10 | 41.18% |
| KLKilliam vs Dragunov | 5–12 | 29.41% |
| KLKilliam vs Miary Zo | 8–8 | 50.00% |
| KLKilliam vs Azucena | 6–8 | 42.86% |
| KLKilliam vs Alisa | 3–10 | 23.08% |
| KLKilliam vs Victor | 8–5 | 61.54% |
| KLKilliam vs Lidia | 4–9 | 30.77% |
| KLKilliam vs Claudio | 10–2 | 83.33% |
| KLKilliam vs Lee | 2–10 | 16.67% |
| KLKilliam vs Eddy | 5–7 | 41.67% |
| KLKilliam vs Armor King | 6–6 | 50.00% |
| KLKilliam vs Clive | 2–8 | 20.00% |
| KLKilliam vs Xiaoyu | 4–5 | 44.44% |
| KLKilliam vs Feng | 4–3 | 57.14% |
| KLKilliam vs Leo | 5–2 | 71.43% |
| KLKilliam vs Fahkumram | 2–4 | 33.33% |
| KLKilliam vs Kuma | 4–1 | 80.00% |
| KLKilliam vs Paul | 0–4 | 0.00% |
| KLKilliam vs Jack-8 | 3–1 | 75.00% |
| KLKilliam vs Raven | 1–2 | 33.33% |
| KLKilliam vs Anna | 0–2 | 0.00% |
| KLKilliam vs Leroy | 1–0 | 100.00% |
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.