| Naoyama vs King | 120–128 | 48.39% |
| Naoyama vs Kazuya | 90–115 | 43.90% |
| Naoyama vs Bryan | 102–102 | 50.00% |
| Naoyama vs Paul | 75–119 | 38.66% |
| Naoyama vs Reina | 102–84 | 54.84% |
| Naoyama vs Dragunov | 88–97 | 47.57% |
| Naoyama vs Jin | 76–96 | 44.19% |
| Naoyama vs Asuka | 94–72 | 56.63% |
| Naoyama vs Hwoarang | 79–77 | 50.64% |
| Naoyama vs Lili | 84–71 | 54.19% |
| Naoyama vs Law | 64–88 | 42.11% |
| Naoyama vs Lidia | 71–76 | 48.30% |
| Naoyama vs Steve | 65–78 | 45.45% |
| Naoyama vs Yoshimitsu | 85–57 | 59.86% |
| Naoyama vs Feng | 55–87 | 38.73% |
| Naoyama vs Claudio | 58–70–1 | 45.31% |
| Naoyama vs Jack-8 | 64–62 | 50.79% |
| Naoyama vs Jun | 63–63 | 50.00% |
| Naoyama vs Lars | 64–61 | 51.20% |
| Naoyama vs Nina | 55–69 | 44.35% |
| Naoyama vs Victor | 61–62 | 49.59% |
| Naoyama vs Alisa | 54–66 | 45.00% |
| Naoyama vs Armor King | 63–57 | 52.50% |
| Naoyama vs Xiaoyu | 54–63 | 46.15% |
| Naoyama vs Leo | 58–58 | 50.00% |
| Naoyama vs Azucena | 54–53 | 50.47% |
| Naoyama vs Eddy | 57–47 | 54.81% |
| Naoyama vs Clive | 52–49 | 51.49% |
| Naoyama vs Raven | 49–50 | 49.49% |
| Naoyama vs Heihachi | 39–52 | 42.86% |
| Naoyama vs Devil Jin | 45–42 | 51.72% |
| Naoyama vs Lee | 30–57 | 34.48% |
| Naoyama vs Leroy | 25–38 | 39.68% |
| Naoyama vs Shaheen | 27–32 | 45.76% |
| Naoyama vs Zafina | 27–29 | 48.21% |
| Naoyama vs Panda | 16–27 | 37.21% |
| Naoyama vs Kuma | 15–26 | 36.59% |
| Naoyama vs Anna | 9–24 | 27.27% |
| Naoyama vs Miary Zo | 11–18 | 37.93% |
| Naoyama vs Fahkumram | 10–10 | 50.00% |
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.