| Neptune99 vs Hwoarang | 5–7 | 41.67% |
| Neptune99 vs Reina | 3–4 | 42.86% |
| Neptune99 vs Lee | 5–1 | 83.33% |
| Neptune99 vs Jin | 1–4 | 20.00% |
| Neptune99 vs Jack-8 | 3–1 | 75.00% |
| Neptune99 vs Jun | 2–2 | 50.00% |
| Neptune99 vs Eddy | 2–2 | 50.00% |
| Neptune99 vs Paul | 1–2 | 33.33% |
| Neptune99 vs King | 0–3 | 0.00% |
| Neptune99 vs Yoshimitsu | 2–1 | 66.67% |
| Neptune99 vs Dragunov | 1–2 | 33.33% |
| Neptune99 vs Leo | 1–2 | 33.33% |
| Neptune99 vs Alisa | 1–2 | 33.33% |
| Neptune99 vs Leroy | 0–3 | 0.00% |
| Neptune99 vs Lidia | 2–1 | 66.67% |
| Neptune99 vs Law | 0–2 | 0.00% |
| Neptune99 vs Lars | 1–1 | 50.00% |
| Neptune99 vs Nina | 0–2 | 0.00% |
| Neptune99 vs Steve | 1–0 | 100.00% |
| Neptune99 vs Asuka | 0–1 | 0.00% |
| Neptune99 vs Azucena | 1–0 | 100.00% |
| Neptune99 vs Victor | 0–1 | 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.