| Killua vs Kazuya | 68–102 | 40.00% |
| Killua vs Jin | 58–53 | 52.25% |
| Killua vs Bryan | 47–63 | 42.73% |
| Killua vs Clive | 44–53 | 45.36% |
| Killua vs King | 52–36 | 59.09% |
| Killua vs Heihachi | 46–40 | 53.49% |
| Killua vs Reina | 36–39 | 48.00% |
| Killua vs Steve | 37–29 | 56.06% |
| Killua vs Paul | 33–27 | 55.00% |
| Killua vs Law | 32–26 | 55.17% |
| Killua vs Hwoarang | 35–20 | 63.64% |
| Killua vs Dragunov | 25–23 | 52.08% |
| Killua vs Yoshimitsu | 22–24 | 47.83% |
| Killua vs Lili | 32–11 | 74.42% |
| Killua vs Devil Jin | 20–18 | 52.63% |
| Killua vs Xiaoyu | 18–18 | 50.00% |
| Killua vs Azucena | 22–14 | 61.11% |
| Killua vs Lars | 19–16 | 54.29% |
| Killua vs Lidia | 18–17 | 51.43% |
| Killua vs Lee | 15–19 | 44.12% |
| Killua vs Jun | 18–14 | 56.25% |
| Killua vs Asuka | 9–22 | 29.03% |
| Killua vs Victor | 19–9 | 67.86% |
| Killua vs Eddy | 18–10 | 64.29% |
| Killua vs Nina | 16–10 | 61.54% |
| Killua vs Feng | 14–8 | 63.64% |
| Killua vs Alisa | 8–14 | 36.36% |
| Killua vs Leo | 9–11–1 | 45.00% |
| Killua vs Leroy | 10–11 | 47.62% |
| Killua vs Jack-8 | 7–12 | 36.84% |
| Killua vs Anna | 9–10 | 47.37% |
| Killua vs Raven | 7–9 | 43.75% |
| Killua vs Kuma | 10–5 | 66.67% |
| Killua vs Claudio | 6–8 | 42.86% |
| Killua vs Fahkumram | 6–5 | 54.55% |
| Killua vs Zafina | 3–4 | 42.86% |
| Killua vs Shaheen | 2–4 | 33.33% |
| Killua vs Panda | 1–1 | 50.00% |
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.