| Gemchi vs King | 98–108 | 47.57% |
| Gemchi vs Jin | 91–112 | 44.83% |
| Gemchi vs Kazuya | 101–100–1 | 50.25% |
| Gemchi vs Reina | 101–94 | 51.79% |
| Gemchi vs Bryan | 66–98 | 40.24% |
| Gemchi vs Steve | 59–94–1 | 38.56% |
| Gemchi vs Hwoarang | 55–78 | 41.35% |
| Gemchi vs Law | 53–74 | 41.73% |
| Gemchi vs Dragunov | 53–68 | 43.80% |
| Gemchi vs Lili | 56–61 | 47.86% |
| Gemchi vs Eddy | 45–69 | 39.47% |
| Gemchi vs Yoshimitsu | 35–61 | 36.46% |
| Gemchi vs Paul | 48–45 | 51.61% |
| Gemchi vs Devil Jin | 40–52 | 43.48% |
| Gemchi vs Jun | 33–54 | 37.93% |
| Gemchi vs Heihachi | 35–48 | 42.17% |
| Gemchi vs Azucena | 32–49 | 39.51% |
| Gemchi vs Asuka | 34–45 | 43.04% |
| Gemchi vs Nina | 43–36 | 54.43% |
| Gemchi vs Victor | 26–45 | 36.62% |
| Gemchi vs Lidia | 37–34 | 52.11% |
| Gemchi vs Feng | 26–39 | 40.00% |
| Gemchi vs Jack-8 | 30–33 | 47.62% |
| Gemchi vs Lee | 30–30 | 50.00% |
| Gemchi vs Lars | 24–30 | 44.44% |
| Gemchi vs Alisa | 19–32 | 37.25% |
| Gemchi vs Leroy | 22–28 | 44.00% |
| Gemchi vs Xiaoyu | 26–23 | 53.06% |
| Gemchi vs Fahkumram | 19–28 | 40.43% |
| Gemchi vs Claudio | 15–26 | 36.59% |
| Gemchi vs Leo | 17–21 | 44.74% |
| Gemchi vs Raven | 16–15 | 51.61% |
| Gemchi vs Armor King | 10–21 | 32.26% |
| Gemchi vs Kuma | 9–19 | 32.14% |
| Gemchi vs Anna | 10–15 | 40.00% |
| Gemchi vs Clive | 2–18 | 10.00% |
| Gemchi vs Zafina | 9–10 | 47.37% |
| Gemchi vs Shaheen | 5–10 | 33.33% |
| Gemchi vs Miary Zo | 6–6 | 50.00% |
| Gemchi vs Panda | 2–8 | 20.00% |
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.