| Kkallday vs King | 61–39 | 61.00% |
| Kkallday vs Law | 62–29 | 68.13% |
| Kkallday vs Kazuya | 51–34 | 60.00% |
| Kkallday vs Hwoarang | 50–27 | 64.94% |
| Kkallday vs Fahkumram | 43–24 | 64.18% |
| Kkallday vs Steve | 40–25 | 61.54% |
| Kkallday vs Jin | 41–22 | 65.08% |
| Kkallday vs Jun | 31–28–1 | 52.54% |
| Kkallday vs Dragunov | 28–29 | 49.12% |
| Kkallday vs Bryan | 35–19 | 64.81% |
| Kkallday vs Reina | 26–23 | 53.06% |
| Kkallday vs Clive | 29–18 | 61.70% |
| Kkallday vs Asuka | 27–19 | 58.70% |
| Kkallday vs Eddy | 31–14 | 68.89% |
| Kkallday vs Yoshimitsu | 20–21 | 48.78% |
| Kkallday vs Azucena | 21–19 | 52.50% |
| Kkallday vs Heihachi | 26–14 | 65.00% |
| Kkallday vs Paul | 25–13 | 65.79% |
| Kkallday vs Lili | 18–20 | 47.37% |
| Kkallday vs Devil Jin | 21–14 | 60.00% |
| Kkallday vs Jack-8 | 16–18 | 47.06% |
| Kkallday vs Lars | 18–16 | 52.94% |
| Kkallday vs Lidia | 21–10 | 67.74% |
| Kkallday vs Anna | 18–12 | 60.00% |
| Kkallday vs Lee | 20–9 | 68.97% |
| Kkallday vs Xiaoyu | 11–17 | 39.29% |
| Kkallday vs Alisa | 12–16 | 42.86% |
| Kkallday vs Raven | 13–14 | 48.15% |
| Kkallday vs Feng | 16–10 | 61.54% |
| Kkallday vs Claudio | 17–7 | 70.83% |
| Kkallday vs Leroy | 10–13 | 43.48% |
| Kkallday vs Leo | 6–16 | 27.27% |
| Kkallday vs Armor King | 15–7 | 68.18% |
| Kkallday vs Nina | 9–11 | 45.00% |
| Kkallday vs Zafina | 11–8 | 57.89% |
| Kkallday vs Victor | 8–11 | 42.11% |
| Kkallday vs Kuma | 3–6 | 33.33% |
| Kkallday vs Shaheen | 1–4 | 20.00% |
| Kkallday vs Panda | 3–0 | 100.00% |
| Kkallday vs Miary Zo | 2–1 | 66.67% |
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.