| WannabeSaitama vs Kazuya | 51–67 | 43.22% |
| WannabeSaitama vs Jin | 48–62 | 43.64% |
| WannabeSaitama vs King | 53–56 | 48.62% |
| WannabeSaitama vs Hwoarang | 45–54 | 45.45% |
| WannabeSaitama vs Reina | 48–31 | 60.76% |
| WannabeSaitama vs Steve | 44–32 | 57.89% |
| WannabeSaitama vs Bryan | 27–35 | 43.55% |
| WannabeSaitama vs Law | 23–28 | 45.10% |
| WannabeSaitama vs Dragunov | 28–21 | 57.14% |
| WannabeSaitama vs Eddy | 14–35 | 28.57% |
| WannabeSaitama vs Lili | 22–24 | 47.83% |
| WannabeSaitama vs Lee | 26–20 | 56.52% |
| WannabeSaitama vs Paul | 18–22 | 45.00% |
| WannabeSaitama vs Devil Jin | 18–19 | 48.65% |
| WannabeSaitama vs Yoshimitsu | 10–25 | 28.57% |
| WannabeSaitama vs Azucena | 25–10 | 71.43% |
| WannabeSaitama vs Heihachi | 15–20 | 42.86% |
| WannabeSaitama vs Lars | 17–14 | 54.84% |
| WannabeSaitama vs Alisa | 12–18 | 40.00% |
| WannabeSaitama vs Asuka | 14–15 | 48.28% |
| WannabeSaitama vs Feng | 19–9 | 67.86% |
| WannabeSaitama vs Jun | 12–16 | 42.86% |
| WannabeSaitama vs Anna | 16–12 | 57.14% |
| WannabeSaitama vs Xiaoyu | 17–10 | 62.96% |
| WannabeSaitama vs Nina | 12–13 | 48.00% |
| WannabeSaitama vs Victor | 12–11 | 52.17% |
| WannabeSaitama vs Jack-8 | 10–11 | 47.62% |
| WannabeSaitama vs Leroy | 5–9 | 35.71% |
| WannabeSaitama vs Clive | 3–10 | 23.08% |
| WannabeSaitama vs Leo | 2–10 | 16.67% |
| WannabeSaitama vs Kuma | 8–3 | 72.73% |
| WannabeSaitama vs Raven | 3–8 | 27.27% |
| WannabeSaitama vs Lidia | 3–8 | 27.27% |
| WannabeSaitama vs Claudio | 4–5 | 44.44% |
| WannabeSaitama vs Fahkumram | 6–3 | 66.67% |
| WannabeSaitama vs Shaheen | 3–5 | 37.50% |
| WannabeSaitama vs Zafina | 2–3 | 40.00% |
| WannabeSaitama vs Panda | 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.