| John Petrucci vs Jin | 66–56 | 54.10% |
| John Petrucci vs Law | 66–49 | 57.39% |
| John Petrucci vs King | 57–39 | 59.38% |
| John Petrucci vs Kazuya | 41–52 | 44.09% |
| John Petrucci vs Bryan | 39–41 | 48.75% |
| John Petrucci vs Hwoarang | 35–40 | 46.67% |
| John Petrucci vs Heihachi | 32–41 | 43.84% |
| John Petrucci vs Steve | 38–25 | 60.32% |
| John Petrucci vs Reina | 33–29 | 53.23% |
| John Petrucci vs Dragunov | 28–28 | 50.00% |
| John Petrucci vs Lili | 27–27 | 50.00% |
| John Petrucci vs Eddy | 22–29 | 43.14% |
| John Petrucci vs Paul | 29–20 | 59.18% |
| John Petrucci vs Asuka | 22–23 | 48.89% |
| John Petrucci vs Jun | 27–18 | 60.00% |
| John Petrucci vs Nina | 24–20 | 54.55% |
| John Petrucci vs Yoshimitsu | 12–24 | 33.33% |
| John Petrucci vs Clive | 21–15 | 58.33% |
| John Petrucci vs Victor | 20–14 | 58.82% |
| John Petrucci vs Alisa | 18–14 | 56.25% |
| John Petrucci vs Lars | 16–14 | 53.33% |
| John Petrucci vs Xiaoyu | 10–15 | 40.00% |
| John Petrucci vs Feng | 11–14 | 44.00% |
| John Petrucci vs Devil Jin | 8–16 | 33.33% |
| John Petrucci vs Lidia | 11–12 | 47.83% |
| John Petrucci vs Jack-8 | 10–11 | 47.62% |
| John Petrucci vs Azucena | 14–7 | 66.67% |
| John Petrucci vs Raven | 11–10 | 52.38% |
| John Petrucci vs Leroy | 11–9 | 55.00% |
| John Petrucci vs Lee | 7–12 | 36.84% |
| John Petrucci vs Kuma | 7–11 | 38.89% |
| John Petrucci vs Armor King | 9–7 | 56.25% |
| John Petrucci vs Zafina | 5–3 | 62.50% |
| John Petrucci vs Leo | 2–5 | 28.57% |
| John Petrucci vs Shaheen | 1–5 | 16.67% |
| John Petrucci vs Panda | 2–4 | 33.33% |
| John Petrucci vs Fahkumram | 4–2 | 66.67% |
| John Petrucci vs Anna | 3–2 | 60.00% |
| John Petrucci vs Miary Zo | 2–0 | 100.00% |
| John Petrucci vs Claudio | 1–0 | 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.