| BabyCosta vs Jin | 26–27 | 49.06% |
| BabyCosta vs King | 26–26 | 50.00% |
| BabyCosta vs Reina | 24–28 | 46.15% |
| BabyCosta vs Hwoarang | 18–27 | 40.00% |
| BabyCosta vs Eddy | 13–31 | 29.55% |
| BabyCosta vs Kazuya | 14–27 | 34.15% |
| BabyCosta vs Law | 16–22 | 42.11% |
| BabyCosta vs Steve | 14–23 | 37.84% |
| BabyCosta vs Asuka | 17–14 | 54.84% |
| BabyCosta vs Jun | 8–21 | 27.59% |
| BabyCosta vs Dragunov | 8–19 | 29.63% |
| BabyCosta vs Lili | 14–11 | 56.00% |
| BabyCosta vs Azucena | 8–17 | 32.00% |
| BabyCosta vs Victor | 8–17 | 32.00% |
| BabyCosta vs Paul | 15–9 | 62.50% |
| BabyCosta vs Bryan | 9–15 | 37.50% |
| BabyCosta vs Xiaoyu | 7–15 | 31.82% |
| BabyCosta vs Yoshimitsu | 7–12 | 36.84% |
| BabyCosta vs Lee | 10–9 | 52.63% |
| BabyCosta vs Jack-8 | 6–8 | 42.86% |
| BabyCosta vs Lars | 5–9 | 35.71% |
| BabyCosta vs Alisa | 4–10 | 28.57% |
| BabyCosta vs Nina | 8–6 | 57.14% |
| BabyCosta vs Claudio | 7–4 | 63.64% |
| BabyCosta vs Feng | 1–9 | 10.00% |
| BabyCosta vs Raven | 5–4 | 55.56% |
| BabyCosta vs Leroy | 3–3 | 50.00% |
| BabyCosta vs Devil Jin | 3–2 | 60.00% |
| BabyCosta vs Leo | 1–3 | 25.00% |
| BabyCosta vs Zafina | 4–0 | 100.00% |
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.