| KillaDay vs Reina | 22–19 | 53.66% |
| KillaDay vs King | 15–14 | 51.72% |
| KillaDay vs Kazuya | 14–12 | 53.85% |
| KillaDay vs Jin | 18–7 | 72.00% |
| KillaDay vs Law | 12–12 | 50.00% |
| KillaDay vs Eddy | 10–12 | 45.45% |
| KillaDay vs Bryan | 12–9 | 57.14% |
| KillaDay vs Yoshimitsu | 8–11 | 42.11% |
| KillaDay vs Azucena | 10–6 | 62.50% |
| KillaDay vs Steve | 9–5 | 64.29% |
| KillaDay vs Lili | 5–8 | 38.46% |
| KillaDay vs Leroy | 10–3 | 76.92% |
| KillaDay vs Jun | 9–4 | 69.23% |
| KillaDay vs Fahkumram | 5–8 | 38.46% |
| KillaDay vs Hwoarang | 4–8 | 33.33% |
| KillaDay vs Victor | 5–7 | 41.67% |
| KillaDay vs Heihachi | 6–6 | 50.00% |
| KillaDay vs Alisa | 4–7 | 36.36% |
| KillaDay vs Shaheen | 6–5 | 54.55% |
| KillaDay vs Paul | 9–1 | 90.00% |
| KillaDay vs Xiaoyu | 6–4 | 60.00% |
| KillaDay vs Asuka | 9–1 | 90.00% |
| KillaDay vs Lee | 5–4 | 55.56% |
| KillaDay vs Kuma | 6–3 | 66.67% |
| KillaDay vs Anna | 4–5 | 44.44% |
| KillaDay vs Nina | 3–5 | 37.50% |
| KillaDay vs Lars | 3–3 | 50.00% |
| KillaDay vs Clive | 5–1 | 83.33% |
| KillaDay vs Jack-8 | 3–2 | 60.00% |
| KillaDay vs Devil Jin | 3–2 | 60.00% |
| KillaDay vs Dragunov | 3–2 | 60.00% |
| KillaDay vs Raven | 2–3 | 40.00% |
| KillaDay vs Lidia | 3–2 | 60.00% |
| KillaDay vs Armor King | 3–2 | 60.00% |
| KillaDay vs Miary Zo | 1–4 | 20.00% |
| KillaDay vs Feng | 0–4 | 0.00% |
| KillaDay vs Leo | 2–2 | 50.00% |
| KillaDay vs Panda | 0–1 | 0.00% |
| KillaDay vs Zafina | 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.