| Klaatu vs Jin | 9–4 | 69.23% |
| Klaatu vs Kazuya | 10–3 | 76.92% |
| Klaatu vs Law | 6–2 | 75.00% |
| Klaatu vs Leo | 3–4 | 42.86% |
| Klaatu vs King | 4–2 | 66.67% |
| Klaatu vs Feng | 4–2 | 66.67% |
| Klaatu vs Steve | 4–1 | 80.00% |
| Klaatu vs Lee | 4–1 | 80.00% |
| Klaatu vs Heihachi | 4–1 | 80.00% |
| Klaatu vs Hwoarang | 2–2 | 50.00% |
| Klaatu vs Reina | 1–3 | 25.00% |
| Klaatu vs Paul | 1–2 | 33.33% |
| Klaatu vs Asuka | 1–2 | 33.33% |
| Klaatu vs Jun | 2–1 | 66.67% |
| Klaatu vs Azucena | 2–1 | 66.67% |
| Klaatu vs Victor | 2–1 | 66.67% |
| Klaatu vs Clive | 2–1 | 66.67% |
| Klaatu vs Yoshimitsu | 1–1 | 50.00% |
| Klaatu vs Jack-8 | 2–0 | 100.00% |
| Klaatu vs Zafina | 2–0 | 100.00% |
| Klaatu vs Leroy | 1–1 | 50.00% |
| Klaatu vs Lidia | 2–0 | 100.00% |
| Klaatu vs Fahkumram | 1–1 | 50.00% |
| Klaatu vs Xiaoyu | 1–0 | 100.00% |
| Klaatu vs Lili | 0–1 | 0.00% |
| Klaatu vs Lars | 1–0 | 100.00% |
| Klaatu vs Claudio | 0–1 | 0.00% |
| Klaatu vs Eddy | 0–1 | 0.00% |
| Klaatu vs Armor King | 0–1 | 0.00% |
| Klaatu vs Miary Zo | 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.