| Kojirosasaki vs Kazuya | 94–76 | 55.29% |
| Kojirosasaki vs Dragunov | 77–89 | 46.39% |
| Kojirosasaki vs King | 74–90 | 45.12% |
| Kojirosasaki vs Jin | 83–81 | 50.61% |
| Kojirosasaki vs Bryan | 72–64 | 52.94% |
| Kojirosasaki vs Reina | 75–58 | 56.39% |
| Kojirosasaki vs Hwoarang | 57–54 | 51.35% |
| Kojirosasaki vs Steve | 57–46 | 55.34% |
| Kojirosasaki vs Law | 42–48 | 46.67% |
| Kojirosasaki vs Paul | 49–19 | 72.06% |
| Kojirosasaki vs Devil Jin | 33–34 | 49.25% |
| Kojirosasaki vs Victor | 25–37 | 40.32% |
| Kojirosasaki vs Jun | 37–24 | 60.66% |
| Kojirosasaki vs Lili | 36–23 | 61.02% |
| Kojirosasaki vs Yoshimitsu | 26–32 | 44.83% |
| Kojirosasaki vs Eddy | 30–27 | 52.63% |
| Kojirosasaki vs Xiaoyu | 25–31 | 44.64% |
| Kojirosasaki vs Feng | 26–30 | 46.43% |
| Kojirosasaki vs Heihachi | 24–30 | 44.44% |
| Kojirosasaki vs Lee | 22–31 | 41.51% |
| Kojirosasaki vs Lars | 23–28 | 45.10% |
| Kojirosasaki vs Raven | 29–18 | 61.70% |
| Kojirosasaki vs Azucena | 14–27 | 34.15% |
| Kojirosasaki vs Leo | 16–22 | 42.11% |
| Kojirosasaki vs Jack-8 | 10–25 | 28.57% |
| Kojirosasaki vs Asuka | 16–19 | 45.71% |
| Kojirosasaki vs Alisa | 20–14 | 58.82% |
| Kojirosasaki vs Nina | 14–18 | 43.75% |
| Kojirosasaki vs Claudio | 16–15 | 51.61% |
| Kojirosasaki vs Leroy | 16–15 | 51.61% |
| Kojirosasaki vs Zafina | 18–12 | 60.00% |
| Kojirosasaki vs Clive | 10–19 | 34.48% |
| Kojirosasaki vs Shaheen | 9–18 | 33.33% |
| Kojirosasaki vs Lidia | 8–15 | 34.78% |
| Kojirosasaki vs Kuma | 8–8 | 50.00% |
| Kojirosasaki vs Panda | 5–9 | 35.71% |
| Kojirosasaki vs Fahkumram | 3–10–1 | 23.08% |
| Kojirosasaki vs Armor King | 4–4 | 50.00% |
| Kojirosasaki vs Anna | 2–3 | 40.00% |
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.