| Rectal_Splash vs Kazuya | 158–217 | 42.13% |
| Rectal_Splash vs King | 130–160 | 44.83% |
| Rectal_Splash vs Bryan | 103–184 | 35.89% |
| Rectal_Splash vs Jin | 82–160 | 33.88% |
| Rectal_Splash vs Steve | 96–125 | 43.44% |
| Rectal_Splash vs Armor King | 68–123 | 35.60% |
| Rectal_Splash vs Hwoarang | 87–103 | 45.79% |
| Rectal_Splash vs Dragunov | 80–86 | 48.19% |
| Rectal_Splash vs Heihachi | 52–93 | 35.86% |
| Rectal_Splash vs Yoshimitsu | 61–76 | 44.53% |
| Rectal_Splash vs Paul | 67–69 | 49.26% |
| Rectal_Splash vs Lili | 57–72 | 44.19% |
| Rectal_Splash vs Reina | 61–65 | 48.41% |
| Rectal_Splash vs Law | 56–67 | 45.53% |
| Rectal_Splash vs Devil Jin | 47–66 | 41.59% |
| Rectal_Splash vs Lee | 46–60 | 43.40% |
| Rectal_Splash vs Jun | 35–66 | 34.65% |
| Rectal_Splash vs Clive | 39–52 | 42.86% |
| Rectal_Splash vs Asuka | 32–56 | 36.36% |
| Rectal_Splash vs Lars | 39–46 | 45.88% |
| Rectal_Splash vs Azucena | 29–49 | 37.18% |
| Rectal_Splash vs Lidia | 35–37–1 | 48.61% |
| Rectal_Splash vs Victor | 25–44 | 36.23% |
| Rectal_Splash vs Xiaoyu | 22–43 | 33.85% |
| Rectal_Splash vs Nina | 24–38 | 38.71% |
| Rectal_Splash vs Miary Zo | 25–34 | 42.37% |
| Rectal_Splash vs Jack-8 | 24–31 | 43.64% |
| Rectal_Splash vs Eddy | 20–32 | 38.46% |
| Rectal_Splash vs Leo | 26–25 | 50.98% |
| Rectal_Splash vs Alisa | 25–26 | 49.02% |
| Rectal_Splash vs Fahkumram | 26–20 | 56.52% |
| Rectal_Splash vs Claudio | 20–22 | 47.62% |
| Rectal_Splash vs Anna | 16–23 | 41.03% |
| Rectal_Splash vs Leroy | 19–17 | 52.78% |
| Rectal_Splash vs Feng | 10–22 | 31.25% |
| Rectal_Splash vs Raven | 12–20 | 37.50% |
| Rectal_Splash vs Shaheen | 6–13 | 31.58% |
| Rectal_Splash vs Kuma | 9–8 | 52.94% |
| Rectal_Splash vs Zafina | 3–11 | 21.43% |
| Rectal_Splash vs Panda | 4–5 | 44.44% |
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.