| Ulamog vs Reina | 7–13 | 35.00% |
| Ulamog vs King | 5–8 | 38.46% |
| Ulamog vs Steve | 4–7 | 36.36% |
| Ulamog vs Jin | 2–8 | 20.00% |
| Ulamog vs Hwoarang | 2–5 | 28.57% |
| Ulamog vs Lee | 4–3 | 57.14% |
| Ulamog vs Lili | 3–3 | 50.00% |
| Ulamog vs Xiaoyu | 3–2 | 60.00% |
| Ulamog vs Asuka | 1–4 | 20.00% |
| Ulamog vs Law | 1–3 | 25.00% |
| Ulamog vs Dragunov | 1–3 | 25.00% |
| Ulamog vs Jun | 0–4 | 0.00% |
| Ulamog vs Yoshimitsu | 1–2 | 33.33% |
| Ulamog vs Jack-8 | 2–1 | 66.67% |
| Ulamog vs Lars | 0–3 | 0.00% |
| Ulamog vs Leroy | 1–2 | 33.33% |
| Ulamog vs Eddy | 0–3 | 0.00% |
| Ulamog vs Bryan | 2–0 | 100.00% |
| Ulamog vs Claudio | 0–2 | 0.00% |
| Ulamog vs Shaheen | 0–2 | 0.00% |
| Ulamog vs Kuma | 0–2 | 0.00% |
| Ulamog vs Zafina | 0–2 | 0.00% |
| Ulamog vs Azucena | 0–2 | 0.00% |
| Ulamog vs Raven | 2–0 | 100.00% |
| Ulamog vs Heihachi | 0–2 | 0.00% |
| Ulamog vs Leo | 0–1 | 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.