| HappyMerchant vs Kazuya | 84–69 | 54.90% |
| HappyMerchant vs Jin | 43–56 | 43.43% |
| HappyMerchant vs King | 51–28 | 64.56% |
| HappyMerchant vs Reina | 36–38 | 48.65% |
| HappyMerchant vs Bryan | 28–43 | 39.44% |
| HappyMerchant vs Steve | 24–31 | 43.64% |
| HappyMerchant vs Hwoarang | 26–26 | 50.00% |
| HappyMerchant vs Yoshimitsu | 12–39 | 23.53% |
| HappyMerchant vs Law | 19–25 | 43.18% |
| HappyMerchant vs Dragunov | 27–17 | 61.36% |
| HappyMerchant vs Lili | 20–23 | 46.51% |
| HappyMerchant vs Devil Jin | 23–19 | 54.76% |
| HappyMerchant vs Armor King | 21–14 | 60.00% |
| HappyMerchant vs Xiaoyu | 22–12 | 64.71% |
| HappyMerchant vs Feng | 10–24 | 29.41% |
| HappyMerchant vs Lee | 15–19 | 44.12% |
| HappyMerchant vs Azucena | 15–18 | 45.45% |
| HappyMerchant vs Paul | 17–15 | 53.12% |
| HappyMerchant vs Jun | 17–13 | 56.67% |
| HappyMerchant vs Asuka | 12–12 | 50.00% |
| HappyMerchant vs Leo | 11–13 | 45.83% |
| HappyMerchant vs Lars | 8–16 | 33.33% |
| HappyMerchant vs Nina | 8–14 | 36.36% |
| HappyMerchant vs Heihachi | 12–9 | 57.14% |
| HappyMerchant vs Lidia | 9–11 | 45.00% |
| HappyMerchant vs Raven | 13–6 | 68.42% |
| HappyMerchant vs Leroy | 10–5 | 66.67% |
| HappyMerchant vs Alisa | 7–6 | 53.85% |
| HappyMerchant vs Eddy | 5–8 | 38.46% |
| HappyMerchant vs Jack-8 | 3–9 | 25.00% |
| HappyMerchant vs Claudio | 1–10 | 9.09% |
| HappyMerchant vs Victor | 3–8 | 27.27% |
| HappyMerchant vs Shaheen | 2–7 | 22.22% |
| HappyMerchant vs Zafina | 5–3 | 62.50% |
| HappyMerchant vs Kuma | 1–6 | 14.29% |
| HappyMerchant vs Fahkumram | 2–4 | 33.33% |
| HappyMerchant vs Anna | 4–0 | 100.00% |
| HappyMerchant vs Panda | 1–2 | 33.33% |
| HappyMerchant vs Clive | 1–1 | 50.00% |
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.