| Jayy vs Reina | 92–95 | 49.20% |
| Jayy vs Steve | 112–67 | 62.57% |
| Jayy vs King | 91–80 | 53.22% |
| Jayy vs Jin | 71–91 | 43.83% |
| Jayy vs Kazuya | 79–83 | 48.77% |
| Jayy vs Hwoarang | 76–81 | 48.41% |
| Jayy vs Law | 74–81 | 47.74% |
| Jayy vs Eddy | 65–86 | 43.05% |
| Jayy vs Bryan | 79–62 | 56.03% |
| Jayy vs Paul | 51–63 | 44.74% |
| Jayy vs Asuka | 57–53 | 51.82% |
| Jayy vs Jun | 53–52 | 50.48% |
| Jayy vs Victor | 48–57 | 45.71% |
| Jayy vs Lili | 47–49 | 48.96% |
| Jayy vs Dragunov | 50–38 | 56.82% |
| Jayy vs Yoshimitsu | 46–37 | 55.42% |
| Jayy vs Lars | 36–47 | 43.37% |
| Jayy vs Heihachi | 49–33 | 59.76% |
| Jayy vs Jack-8 | 45–31 | 59.21% |
| Jayy vs Azucena | 34–42 | 44.74% |
| Jayy vs Xiaoyu | 47–24 | 66.20% |
| Jayy vs Feng | 39–30 | 56.52% |
| Jayy vs Lee | 43–25 | 63.24% |
| Jayy vs Alisa | 43–24 | 64.18% |
| Jayy vs Lidia | 29–38 | 43.28% |
| Jayy vs Leroy | 36–26 | 58.06% |
| Jayy vs Devil Jin | 25–36 | 40.98% |
| Jayy vs Leo | 25–35 | 41.67% |
| Jayy vs Kuma | 23–35 | 39.66% |
| Jayy vs Nina | 28–22 | 56.00% |
| Jayy vs Clive | 24–20 | 54.55% |
| Jayy vs Zafina | 17–23 | 42.50% |
| Jayy vs Raven | 23–15 | 60.53% |
| Jayy vs Shaheen | 18–19 | 48.65% |
| Jayy vs Claudio | 10–21 | 32.26% |
| Jayy vs Miary Zo | 13–12 | 52.00% |
| Jayy vs Anna | 9–6 | 60.00% |
| Jayy vs Fahkumram | 6–9 | 40.00% |
| Jayy vs Armor King | 4–11 | 26.67% |
| Jayy vs Panda | 3–6 | 33.33% |
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.