| Ishikawa vs Jin | 28–17 | 62.22% |
| Ishikawa vs Reina | 17–21 | 44.74% |
| Ishikawa vs King | 19–11 | 63.33% |
| Ishikawa vs Kazuya | 22–7–1 | 75.86% |
| Ishikawa vs Lili | 15–14 | 51.72% |
| Ishikawa vs Yoshimitsu | 11–8 | 57.89% |
| Ishikawa vs Hwoarang | 12–5 | 70.59% |
| Ishikawa vs Eddy | 9–8 | 52.94% |
| Ishikawa vs Law | 9–7 | 56.25% |
| Ishikawa vs Bryan | 7–9 | 43.75% |
| Ishikawa vs Jack-8 | 7–7 | 50.00% |
| Ishikawa vs Dragunov | 9–5 | 64.29% |
| Ishikawa vs Lars | 10–4 | 71.43% |
| Ishikawa vs Nina | 10–3 | 76.92% |
| Ishikawa vs Heihachi | 13–0 | 100.00% |
| Ishikawa vs Azucena | 5–7 | 41.67% |
| Ishikawa vs Feng | 3–8 | 27.27% |
| Ishikawa vs Victor | 8–3 | 72.73% |
| Ishikawa vs Lidia | 7–4 | 63.64% |
| Ishikawa vs Steve | 8–2 | 80.00% |
| Ishikawa vs Devil Jin | 5–4 | 55.56% |
| Ishikawa vs Jun | 3–6 | 33.33% |
| Ishikawa vs Lee | 5–3 | 62.50% |
| Ishikawa vs Armor King | 7–1 | 87.50% |
| Ishikawa vs Kuma | 2–5 | 28.57% |
| Ishikawa vs Zafina | 2–5 | 28.57% |
| Ishikawa vs Clive | 4–3 | 57.14% |
| Ishikawa vs Paul | 5–1 | 83.33% |
| Ishikawa vs Alisa | 0–6 | 0.00% |
| Ishikawa vs Raven | 2–4 | 33.33% |
| Ishikawa vs Leroy | 1–4 | 20.00% |
| Ishikawa vs Leo | 0–4 | 0.00% |
| Ishikawa vs Fahkumram | 2–2 | 50.00% |
| Ishikawa vs Claudio | 2–1 | 66.67% |
| Ishikawa vs Xiaoyu | 0–2 | 0.00% |
| Ishikawa vs Asuka | 0–2 | 0.00% |
| Ishikawa vs Shaheen | 0–2 | 0.00% |
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.