| Gemchi vs King | 94–103 | 47.72% |
| Gemchi vs Jin | 88–107 | 45.13% |
| Gemchi vs Reina | 101–91 | 52.60% |
| Gemchi vs Kazuya | 96–94–1 | 50.53% |
| Gemchi vs Bryan | 61–96 | 38.85% |
| Gemchi vs Steve | 56–85–1 | 39.72% |
| Gemchi vs Hwoarang | 55–73 | 42.97% |
| Gemchi vs Law | 52–70 | 42.62% |
| Gemchi vs Dragunov | 52–65 | 44.44% |
| Gemchi vs Lili | 55–59 | 48.25% |
| Gemchi vs Eddy | 43–64 | 40.19% |
| Gemchi vs Yoshimitsu | 35–59 | 37.23% |
| Gemchi vs Devil Jin | 39–50 | 43.82% |
| Gemchi vs Paul | 45–43 | 51.14% |
| Gemchi vs Jun | 33–52 | 38.82% |
| Gemchi vs Heihachi | 35–48 | 42.17% |
| Gemchi vs Nina | 42–34 | 55.26% |
| Gemchi vs Asuka | 33–42 | 44.00% |
| Gemchi vs Azucena | 29–45 | 39.19% |
| Gemchi vs Lidia | 37–33 | 52.86% |
| Gemchi vs Victor | 26–42 | 38.24% |
| Gemchi vs Jack-8 | 28–33 | 45.90% |
| Gemchi vs Feng | 24–36 | 40.00% |
| Gemchi vs Lee | 27–29 | 48.21% |
| Gemchi vs Lars | 24–30 | 44.44% |
| Gemchi vs Alisa | 17–32 | 34.69% |
| Gemchi vs Xiaoyu | 24–21 | 53.33% |
| Gemchi vs Leroy | 20–25 | 44.44% |
| Gemchi vs Fahkumram | 17–28 | 37.78% |
| Gemchi vs Claudio | 12–26 | 31.58% |
| Gemchi vs Leo | 17–19 | 47.22% |
| Gemchi vs Raven | 16–15 | 51.61% |
| Gemchi vs Kuma | 9–19 | 32.14% |
| Gemchi vs Armor King | 6–16 | 27.27% |
| Gemchi vs Zafina | 9–10 | 47.37% |
| Gemchi vs Anna | 9–10 | 47.37% |
| Gemchi vs Clive | 2–16 | 11.11% |
| Gemchi vs Shaheen | 5–9 | 35.71% |
| Gemchi vs Panda | 2–8 | 20.00% |
| Gemchi vs Miary Zo | 5–5 | 50.00% |
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.