| Naoyama vs King | 127–135 | 48.47% |
| Naoyama vs Bryan | 113–119 | 48.71% |
| Naoyama vs Kazuya | 102–127 | 44.54% |
| Naoyama vs Dragunov | 110–118 | 48.25% |
| Naoyama vs Paul | 86–136 | 38.74% |
| Naoyama vs Reina | 109–89 | 55.05% |
| Naoyama vs Jin | 83–101 | 45.11% |
| Naoyama vs Asuka | 100–78 | 56.18% |
| Naoyama vs Hwoarang | 86–89 | 49.14% |
| Naoyama vs Law | 71–98 | 42.01% |
| Naoyama vs Steve | 78–88 | 46.99% |
| Naoyama vs Lili | 89–74 | 54.60% |
| Naoyama vs Yoshimitsu | 89–60 | 59.73% |
| Naoyama vs Feng | 59–89 | 39.86% |
| Naoyama vs Lidia | 71–77 | 47.97% |
| Naoyama vs Lars | 71–67 | 51.45% |
| Naoyama vs Armor King | 69–66 | 51.11% |
| Naoyama vs Jack-8 | 69–65 | 51.49% |
| Naoyama vs Jun | 68–66 | 50.75% |
| Naoyama vs Victor | 67–65 | 50.76% |
| Naoyama vs Claudio | 58–72–1 | 44.62% |
| Naoyama vs Alisa | 57–71 | 44.53% |
| Naoyama vs Leo | 62–65 | 48.82% |
| Naoyama vs Xiaoyu | 56–70 | 44.44% |
| Naoyama vs Nina | 56–69 | 44.80% |
| Naoyama vs Azucena | 56–58 | 49.12% |
| Naoyama vs Clive | 58–56 | 50.88% |
| Naoyama vs Heihachi | 50–60 | 45.45% |
| Naoyama vs Raven | 53–54 | 49.53% |
| Naoyama vs Eddy | 57–47 | 54.81% |
| Naoyama vs Devil Jin | 50–45 | 52.63% |
| Naoyama vs Lee | 30–58 | 34.09% |
| Naoyama vs Leroy | 27–38 | 41.54% |
| Naoyama vs Shaheen | 29–32 | 47.54% |
| Naoyama vs Zafina | 29–30 | 49.15% |
| Naoyama vs Miary Zo | 24–29 | 45.28% |
| Naoyama vs Kuma | 17–28 | 37.78% |
| Naoyama vs Panda | 16–27 | 37.21% |
| Naoyama vs Anna | 13–27 | 32.50% |
| Naoyama vs Fahkumram | 15–20 | 42.86% |
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.