| Gloomy Day vs Kazuya | 46–40 | 53.49% |
| Gloomy Day vs Paul | 33–39 | 45.83% |
| Gloomy Day vs Armor King | 32–33 | 49.23% |
| Gloomy Day vs Bryan | 30–33 | 47.62% |
| Gloomy Day vs Miary Zo | 34–21 | 61.82% |
| Gloomy Day vs King | 27–26 | 50.94% |
| Gloomy Day vs Reina | 27–22 | 55.10% |
| Gloomy Day vs Heihachi | 13–34 | 27.66% |
| Gloomy Day vs Dragunov | 22–23 | 48.89% |
| Gloomy Day vs Jin | 22–19 | 53.66% |
| Gloomy Day vs Hwoarang | 24–16 | 60.00% |
| Gloomy Day vs Asuka | 21–19 | 52.50% |
| Gloomy Day vs Lili | 25–14 | 64.10% |
| Gloomy Day vs Devil Jin | 17–17 | 50.00% |
| Gloomy Day vs Nina | 19–15 | 55.88% |
| Gloomy Day vs Victor | 24–9 | 72.73% |
| Gloomy Day vs Fahkumram | 14–19 | 42.42% |
| Gloomy Day vs Law | 15–17 | 46.88% |
| Gloomy Day vs Steve | 19–13 | 59.38% |
| Gloomy Day vs Lee | 17–12 | 58.62% |
| Gloomy Day vs Yoshimitsu | 18–10 | 64.29% |
| Gloomy Day vs Lars | 13–12 | 52.00% |
| Gloomy Day vs Azucena | 14–11 | 56.00% |
| Gloomy Day vs Lidia | 17–8 | 68.00% |
| Gloomy Day vs Feng | 12–12 | 50.00% |
| Gloomy Day vs Clive | 12–11 | 52.17% |
| Gloomy Day vs Anna | 14–8 | 63.64% |
| Gloomy Day vs Eddy | 15–6 | 71.43% |
| Gloomy Day vs Jack-8 | 10–10 | 50.00% |
| Gloomy Day vs Leo | 13–7 | 65.00% |
| Gloomy Day vs Jun | 12–8 | 60.00% |
| Gloomy Day vs Leroy | 12–7 | 63.16% |
| Gloomy Day vs Xiaoyu | 10–6 | 62.50% |
| Gloomy Day vs Claudio | 9–6 | 60.00% |
| Gloomy Day vs Raven | 5–9 | 35.71% |
| Gloomy Day vs Shaheen | 6–6 | 50.00% |
| Gloomy Day vs Alisa | 2–6 | 25.00% |
| Gloomy Day vs Zafina | 3–5 | 37.50% |
| Gloomy Day vs Panda | 3–3 | 50.00% |
| Gloomy Day vs Kuma | 3–2 | 60.00% |
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.