| Merciless vs Kazuya | 259–259 | 50.00% |
| Merciless vs Dragunov | 255–227 | 52.90% |
| Merciless vs Jin | 225–219 | 50.68% |
| Merciless vs Bryan | 205–167 | 55.11% |
| Merciless vs Paul | 164–189 | 46.46% |
| Merciless vs Reina | 175–162 | 51.93% |
| Merciless vs King | 158–172 | 47.88% |
| Merciless vs Hwoarang | 150–172 | 46.58% |
| Merciless vs Steve | 151–152 | 49.83% |
| Merciless vs Heihachi | 116–142 | 44.96% |
| Merciless vs Law | 114–123–1 | 48.10% |
| Merciless vs Victor | 119–111 | 51.74% |
| Merciless vs Feng | 97–116 | 45.54% |
| Merciless vs Asuka | 99–112 | 46.92% |
| Merciless vs Lili | 94–115 | 44.98% |
| Merciless vs Yoshimitsu | 90–118 | 43.27% |
| Merciless vs Devil Jin | 89–110 | 44.72% |
| Merciless vs Jun | 81–92 | 46.82% |
| Merciless vs Nina | 76–88 | 46.34% |
| Merciless vs Lidia | 72–90 | 44.44% |
| Merciless vs Alisa | 58–101 | 36.48% |
| Merciless vs Lars | 65–84 | 43.62% |
| Merciless vs Lee | 76–73 | 51.01% |
| Merciless vs Claudio | 58–89 | 39.46% |
| Merciless vs Leroy | 63–82 | 43.45% |
| Merciless vs Azucena | 70–73 | 48.95% |
| Merciless vs Armor King | 56–72 | 43.75% |
| Merciless vs Clive | 51–71 | 41.80% |
| Merciless vs Xiaoyu | 47–70 | 40.17% |
| Merciless vs Eddy | 24–84 | 22.22% |
| Merciless vs Leo | 44–57 | 43.56% |
| Merciless vs Jack-8 | 41–58 | 41.41% |
| Merciless vs Raven | 41–57 | 41.84% |
| Merciless vs Shaheen | 35–42 | 45.45% |
| Merciless vs Zafina | 21–52 | 28.77% |
| Merciless vs Anna | 26–32 | 44.83% |
| Merciless vs Kuma | 18–31 | 36.73% |
| Merciless vs Fahkumram | 14–30 | 31.82% |
| Merciless vs Panda | 2–10 | 16.67% |
| Merciless vs Miary Zo | 0–2 | 0.00% |
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.