| Sumtingwong vs Heihachi | 20–13 | 60.61% |
| Sumtingwong vs Kazuya | 18–14 | 56.25% |
| Sumtingwong vs Reina | 14–11 | 56.00% |
| Sumtingwong vs Jin | 11–9 | 55.00% |
| Sumtingwong vs Hwoarang | 9–8 | 52.94% |
| Sumtingwong vs Dragunov | 8–8 | 50.00% |
| Sumtingwong vs Nina | 6–9 | 40.00% |
| Sumtingwong vs Law | 8–6 | 57.14% |
| Sumtingwong vs Bryan | 5–8 | 38.46% |
| Sumtingwong vs Asuka | 7–5 | 58.33% |
| Sumtingwong vs King | 7–4 | 63.64% |
| Sumtingwong vs Steve | 5–6 | 45.45% |
| Sumtingwong vs Lars | 6–5 | 54.55% |
| Sumtingwong vs Eddy | 4–7 | 36.36% |
| Sumtingwong vs Lili | 4–6 | 40.00% |
| Sumtingwong vs Lee | 7–3 | 70.00% |
| Sumtingwong vs Jun | 5–5 | 50.00% |
| Sumtingwong vs Victor | 6–4 | 60.00% |
| Sumtingwong vs Paul | 8–1 | 88.89% |
| Sumtingwong vs Jack-8 | 2–7 | 22.22% |
| Sumtingwong vs Lidia | 4–5 | 44.44% |
| Sumtingwong vs Yoshimitsu | 4–4 | 50.00% |
| Sumtingwong vs Devil Jin | 4–4 | 50.00% |
| Sumtingwong vs Feng | 6–2 | 75.00% |
| Sumtingwong vs Kuma | 3–5 | 37.50% |
| Sumtingwong vs Xiaoyu | 3–4 | 42.86% |
| Sumtingwong vs Leroy | 4–2 | 66.67% |
| Sumtingwong vs Leo | 1–4 | 20.00% |
| Sumtingwong vs Claudio | 1–3 | 25.00% |
| Sumtingwong vs Panda | 2–2 | 50.00% |
| Sumtingwong vs Azucena | 0–4 | 0.00% |
| Sumtingwong vs Raven | 1–3 | 25.00% |
| Sumtingwong vs Zafina | 1–2 | 33.33% |
| Sumtingwong vs Alisa | 0–2 | 0.00% |
| Sumtingwong vs Shaheen | 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.