| YammyHammyJammy vs Reina | 18–11 | 62.07% |
| YammyHammyJammy vs King | 10–12 | 45.45% |
| YammyHammyJammy vs Kazuya | 13–8 | 61.90% |
| YammyHammyJammy vs Steve | 14–5 | 73.68% |
| YammyHammyJammy vs Anna | 10–9 | 52.63% |
| YammyHammyJammy vs Dragunov | 3–15 | 16.67% |
| YammyHammyJammy vs Law | 10–4 | 71.43% |
| YammyHammyJammy vs Fahkumram | 4–9 | 30.77% |
| YammyHammyJammy vs Eddy | 4–8 | 33.33% |
| YammyHammyJammy vs Xiaoyu | 2–8 | 20.00% |
| YammyHammyJammy vs Jin | 7–3 | 70.00% |
| YammyHammyJammy vs Paul | 3–5 | 37.50% |
| YammyHammyJammy vs Devil Jin | 1–7 | 12.50% |
| YammyHammyJammy vs Zafina | 5–3 | 62.50% |
| YammyHammyJammy vs Hwoarang | 1–6 | 14.29% |
| YammyHammyJammy vs Bryan | 4–3 | 57.14% |
| YammyHammyJammy vs Kuma | 4–3 | 57.14% |
| YammyHammyJammy vs Clive | 6–1 | 85.71% |
| YammyHammyJammy vs Lars | 4–2 | 66.67% |
| YammyHammyJammy vs Azucena | 5–1 | 83.33% |
| YammyHammyJammy vs Heihachi | 5–1 | 83.33% |
| YammyHammyJammy vs Armor King | 4–2 | 66.67% |
| YammyHammyJammy vs Jack-8 | 4–1 | 80.00% |
| YammyHammyJammy vs Nina | 1–4 | 20.00% |
| YammyHammyJammy vs Jun | 4–1 | 80.00% |
| YammyHammyJammy vs Lili | 4–0 | 100.00% |
| YammyHammyJammy vs Alisa | 3–1 | 75.00% |
| YammyHammyJammy vs Victor | 3–1 | 75.00% |
| YammyHammyJammy vs Lee | 1–2 | 33.33% |
| YammyHammyJammy vs Yoshimitsu | 0–2 | 0.00% |
| YammyHammyJammy vs Leo | 0–2 | 0.00% |
| YammyHammyJammy vs Claudio | 1–1 | 50.00% |
| YammyHammyJammy vs Leroy | 1–1 | 50.00% |
| YammyHammyJammy vs Raven | 2–0 | 100.00% |
| YammyHammyJammy vs Lidia | 0–2 | 0.00% |
| YammyHammyJammy vs Shaheen | 1–0 | 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.