| DayDay2x vs Kazuya | 75–84 | 47.17% |
| DayDay2x vs Jin | 51–72 | 41.46% |
| DayDay2x vs King | 72–47 | 60.50% |
| DayDay2x vs Fahkumram | 62–51 | 54.87% |
| DayDay2x vs Law | 63–48 | 56.76% |
| DayDay2x vs Bryan | 62–44 | 58.49% |
| DayDay2x vs Steve | 43–52–1 | 45.26% |
| DayDay2x vs Reina | 47–43 | 52.22% |
| DayDay2x vs Hwoarang | 41–44 | 48.24% |
| DayDay2x vs Dragunov | 41–42 | 49.40% |
| DayDay2x vs Heihachi | 41–41 | 50.00% |
| DayDay2x vs Lee | 43–37 | 53.75% |
| DayDay2x vs Yoshimitsu | 41–38 | 51.90% |
| DayDay2x vs Jun | 31–35 | 46.97% |
| DayDay2x vs Armor King | 29–32 | 47.54% |
| DayDay2x vs Asuka | 30–27 | 52.63% |
| DayDay2x vs Feng | 35–22 | 61.40% |
| DayDay2x vs Lars | 28–29 | 49.12% |
| DayDay2x vs Paul | 23–31 | 42.59% |
| DayDay2x vs Lidia | 26–25 | 50.98% |
| DayDay2x vs Xiaoyu | 24–26 | 48.00% |
| DayDay2x vs Lili | 25–24 | 51.02% |
| DayDay2x vs Azucena | 21–27 | 43.75% |
| DayDay2x vs Victor | 30–18 | 62.50% |
| DayDay2x vs Eddy | 24–21 | 53.33% |
| DayDay2x vs Miary Zo | 23–19 | 54.76% |
| DayDay2x vs Devil Jin | 23–17 | 57.50% |
| DayDay2x vs Anna | 15–25 | 37.50% |
| DayDay2x vs Raven | 17–22 | 43.59% |
| DayDay2x vs Clive | 23–15 | 60.53% |
| DayDay2x vs Alisa | 17–20 | 45.95% |
| DayDay2x vs Leo | 14–22 | 38.89% |
| DayDay2x vs Jack-8 | 16–16 | 50.00% |
| DayDay2x vs Nina | 5–22 | 18.52% |
| DayDay2x vs Leroy | 15–12 | 55.56% |
| DayDay2x vs Claudio | 13–13 | 50.00% |
| DayDay2x vs Shaheen | 8–13 | 38.10% |
| DayDay2x vs Panda | 13–8 | 61.90% |
| DayDay2x vs Zafina | 5–7 | 41.67% |
| DayDay2x vs Kuma | 6–5 | 54.55% |
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.