| KingKoopa vs Kazuya | 17–16 | 51.52% |
| KingKoopa vs King | 17–11 | 60.71% |
| KingKoopa vs Reina | 16–7 | 69.57% |
| KingKoopa vs Clive | 16–7 | 69.57% |
| KingKoopa vs Yoshimitsu | 13–6 | 68.42% |
| KingKoopa vs Hwoarang | 15–3 | 83.33% |
| KingKoopa vs Steve | 10–6 | 62.50% |
| KingKoopa vs Victor | 13–3 | 81.25% |
| KingKoopa vs Law | 10–5 | 66.67% |
| KingKoopa vs Lee | 4–11 | 26.67% |
| KingKoopa vs Jun | 12–3 | 80.00% |
| KingKoopa vs Leo | 8–2 | 80.00% |
| KingKoopa vs Armor King | 8–2 | 80.00% |
| KingKoopa vs Jin | 3–6 | 33.33% |
| KingKoopa vs Bryan | 5–4 | 55.56% |
| KingKoopa vs Jack-8 | 6–3 | 66.67% |
| KingKoopa vs Claudio | 3–5 | 37.50% |
| KingKoopa vs Nina | 8–0 | 100.00% |
| KingKoopa vs Dragunov | 4–3 | 57.14% |
| KingKoopa vs Lidia | 4–3 | 57.14% |
| KingKoopa vs Lili | 4–2 | 66.67% |
| KingKoopa vs Lars | 5–1 | 83.33% |
| KingKoopa vs Azucena | 2–4 | 33.33% |
| KingKoopa vs Xiaoyu | 4–1 | 80.00% |
| KingKoopa vs Asuka | 4–1 | 80.00% |
| KingKoopa vs Shaheen | 4–1 | 80.00% |
| KingKoopa vs Feng | 3–1 | 75.00% |
| KingKoopa vs Alisa | 4–0 | 100.00% |
| KingKoopa vs Heihachi | 4–0 | 100.00% |
| KingKoopa vs Kuma | 0–2 | 0.00% |
| KingKoopa vs Zafina | 0–2 | 0.00% |
| KingKoopa vs Leroy | 2–0 | 100.00% |
| KingKoopa vs Eddy | 2–0 | 100.00% |
| KingKoopa vs Fahkumram | 2–0 | 100.00% |
| KingKoopa vs Paul | 1–0 | 100.00% |
| KingKoopa vs Raven | 0–1 | 0.00% |
| KingKoopa vs Miary Zo | 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.