| Jamjacob vs King | 32–50 | 39.02% |
| Jamjacob vs Reina | 54–27 | 66.67% |
| Jamjacob vs Jin | 36–37 | 49.32% |
| Jamjacob vs Steve | 30–37 | 44.78% |
| Jamjacob vs Yoshimitsu | 26–35 | 42.62% |
| Jamjacob vs Hwoarang | 32–27 | 54.24% |
| Jamjacob vs Kazuya | 30–27 | 52.63% |
| Jamjacob vs Paul | 27–26 | 50.94% |
| Jamjacob vs Dragunov | 33–20 | 62.26% |
| Jamjacob vs Bryan | 29–19 | 60.42% |
| Jamjacob vs Law | 20–25 | 44.44% |
| Jamjacob vs Lee | 23–22 | 51.11% |
| Jamjacob vs Jun | 35–10 | 77.78% |
| Jamjacob vs Victor | 18–18 | 50.00% |
| Jamjacob vs Lars | 15–19 | 44.12% |
| Jamjacob vs Xiaoyu | 13–16 | 44.83% |
| Jamjacob vs Devil Jin | 5–23 | 17.86% |
| Jamjacob vs Lili | 14–14 | 50.00% |
| Jamjacob vs Leo | 17–11 | 60.71% |
| Jamjacob vs Azucena | 16–10 | 61.54% |
| Jamjacob vs Asuka | 11–14 | 44.00% |
| Jamjacob vs Lidia | 14–10 | 58.33% |
| Jamjacob vs Eddy | 10–13 | 43.48% |
| Jamjacob vs Raven | 8–14 | 36.36% |
| Jamjacob vs Feng | 9–9 | 50.00% |
| Jamjacob vs Nina | 10–7 | 58.82% |
| Jamjacob vs Zafina | 6–11 | 35.29% |
| Jamjacob vs Alisa | 4–7 | 36.36% |
| Jamjacob vs Shaheen | 3–5 | 37.50% |
| Jamjacob vs Jack-8 | 3–4 | 42.86% |
| Jamjacob vs Panda | 5–2 | 71.43% |
| Jamjacob vs Kuma | 2–4 | 33.33% |
| Jamjacob vs Leroy | 4–2 | 66.67% |
| Jamjacob vs Armor King | 4–0 | 100.00% |
| Jamjacob vs Claudio | 1–2 | 33.33% |
| Jamjacob vs Anna | 2–1 | 66.67% |
| Jamjacob vs Fahkumram | 2–1 | 66.67% |
| Jamjacob vs Heihachi | 1–1 | 50.00% |
| Jamjacob vs Miary Zo | 2–0 | 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.