| Napstablook vs King | 20–12 | 62.50% |
| Napstablook vs Hwoarang | 17–7 | 70.83% |
| Napstablook vs Bryan | 17–6 | 73.91% |
| Napstablook vs Yoshimitsu | 15–4 | 78.95% |
| Napstablook vs Azucena | 9–9 | 50.00% |
| Napstablook vs Kazuya | 13–4 | 76.47% |
| Napstablook vs Lili | 10–6 | 62.50% |
| Napstablook vs Alisa | 7–7 | 50.00% |
| Napstablook vs Devil Jin | 10–3 | 76.92% |
| Napstablook vs Law | 9–2 | 81.82% |
| Napstablook vs Xiaoyu | 6–5 | 54.55% |
| Napstablook vs Jin | 11–0 | 100.00% |
| Napstablook vs Asuka | 11–0 | 100.00% |
| Napstablook vs Leo | 6–4 | 60.00% |
| Napstablook vs Lars | 10–0 | 100.00% |
| Napstablook vs Steve | 9–0 | 100.00% |
| Napstablook vs Dragunov | 9–0 | 100.00% |
| Napstablook vs Reina | 8–0 | 100.00% |
| Napstablook vs Kuma | 4–3 | 57.14% |
| Napstablook vs Victor | 4–3 | 57.14% |
| Napstablook vs Feng | 4–0 | 100.00% |
| Napstablook vs Claudio | 2–1 | 66.67% |
| Napstablook vs Nina | 0–3 | 0.00% |
| Napstablook vs Jun | 3–0 | 100.00% |
| Napstablook vs Raven | 3–0 | 100.00% |
| Napstablook vs Paul | 2–0 | 100.00% |
| Napstablook vs Zafina | 1–1 | 50.00% |
| Napstablook vs Leroy | 2–0 | 100.00% |
| Napstablook vs Lidia | 2–0 | 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.