| Mercy Please vs Reina | 73–32 | 69.52% |
| Mercy Please vs Kazuya | 70–32 | 68.63% |
| Mercy Please vs Jin | 60–36–1 | 62.50% |
| Mercy Please vs Dragunov | 55–38 | 59.14% |
| Mercy Please vs Lili | 40–32 | 55.56% |
| Mercy Please vs Yoshimitsu | 35–32 | 52.24% |
| Mercy Please vs King | 29–37 | 43.94% |
| Mercy Please vs Bryan | 40–23 | 63.49% |
| Mercy Please vs Steve | 31–19 | 62.00% |
| Mercy Please vs Victor | 30–19 | 61.22% |
| Mercy Please vs Hwoarang | 15–28 | 34.88% |
| Mercy Please vs Paul | 21–20 | 51.22% |
| Mercy Please vs Law | 32–9 | 78.05% |
| Mercy Please vs Devil Jin | 21–16 | 56.76% |
| Mercy Please vs Jun | 22–14 | 61.11% |
| Mercy Please vs Claudio | 24–9 | 72.73% |
| Mercy Please vs Xiaoyu | 16–10 | 61.54% |
| Mercy Please vs Alisa | 16–9 | 64.00% |
| Mercy Please vs Heihachi | 18–6 | 75.00% |
| Mercy Please vs Lars | 15–8 | 65.22% |
| Mercy Please vs Azucena | 15–8 | 65.22% |
| Mercy Please vs Eddy | 14–9 | 60.87% |
| Mercy Please vs Asuka | 11–11 | 50.00% |
| Mercy Please vs Shaheen | 10–10 | 50.00% |
| Mercy Please vs Jack-8 | 6–12 | 33.33% |
| Mercy Please vs Leo | 11–6 | 64.71% |
| Mercy Please vs Leroy | 5–12 | 29.41% |
| Mercy Please vs Feng | 9–7 | 56.25% |
| Mercy Please vs Kuma | 8–8 | 50.00% |
| Mercy Please vs Nina | 10–4 | 71.43% |
| Mercy Please vs Zafina | 5–8 | 38.46% |
| Mercy Please vs Lidia | 6–6 | 50.00% |
| Mercy Please vs Lee | 6–5 | 54.55% |
| Mercy Please vs Raven | 8–3 | 72.73% |
| Mercy Please vs Armor King | 5–6 | 45.45% |
| Mercy Please vs Panda | 1–4 | 20.00% |
| Mercy Please vs Anna | 2–1 | 66.67% |
| Mercy Please vs Fahkumram | 2–0 | 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.