| Ji Mantachi vs Steve | 127–128 | 49.80% |
| Ji Mantachi vs Bryan | 102–113 | 47.44% |
| Ji Mantachi vs Kazuya | 109–80 | 57.67% |
| Ji Mantachi vs Jin | 94–92 | 50.54% |
| Ji Mantachi vs King | 72–69 | 51.06% |
| Ji Mantachi vs Dragunov | 69–57 | 54.76% |
| Ji Mantachi vs Hwoarang | 51–59 | 46.36% |
| Ji Mantachi vs Law | 45–57 | 44.12% |
| Ji Mantachi vs Yoshimitsu | 48–47 | 50.53% |
| Ji Mantachi vs Reina | 58–36 | 61.70% |
| Ji Mantachi vs Paul | 41–46 | 47.13% |
| Ji Mantachi vs Heihachi | 38–47 | 44.71% |
| Ji Mantachi vs Devil Jin | 40–44 | 47.62% |
| Ji Mantachi vs Lili | 48–34 | 58.54% |
| Ji Mantachi vs Lars | 43–39 | 52.44% |
| Ji Mantachi vs Lee | 32–40 | 44.44% |
| Ji Mantachi vs Nina | 28–29 | 49.12% |
| Ji Mantachi vs Feng | 27–28 | 49.09% |
| Ji Mantachi vs Victor | 26–26 | 50.00% |
| Ji Mantachi vs Asuka | 20–30 | 40.00% |
| Ji Mantachi vs Azucena | 22–28 | 44.00% |
| Ji Mantachi vs Xiaoyu | 23–26 | 46.94% |
| Ji Mantachi vs Raven | 18–31 | 36.73% |
| Ji Mantachi vs Armor King | 23–25 | 47.92% |
| Ji Mantachi vs Jun | 18–29 | 38.30% |
| Ji Mantachi vs Alisa | 26–20 | 56.52% |
| Ji Mantachi vs Jack-8 | 14–24 | 36.84% |
| Ji Mantachi vs Claudio | 17–15 | 53.12% |
| Ji Mantachi vs Eddy | 17–14 | 54.84% |
| Ji Mantachi vs Leo | 17–11 | 60.71% |
| Ji Mantachi vs Anna | 13–12 | 52.00% |
| Ji Mantachi vs Shaheen | 5–13 | 27.78% |
| Ji Mantachi vs Panda | 6–12 | 33.33% |
| Ji Mantachi vs Kuma | 3–13 | 18.75% |
| Ji Mantachi vs Leroy | 6–9 | 40.00% |
| Ji Mantachi vs Fahkumram | 7–8 | 46.67% |
| Ji Mantachi vs Lidia | 4–9 | 30.77% |
| Ji Mantachi vs Zafina | 4–7 | 36.36% |
| Ji Mantachi vs Clive | 2–6 | 25.00% |
| Ji Mantachi vs Miary Zo | 2–4 | 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.