| Itadaki Tontaro vs Devil Jin | 6–9 | 40.00% |
| Itadaki Tontaro vs Reina | 9–6 | 60.00% |
| Itadaki Tontaro vs Hwoarang | 8–6 | 57.14% |
| Itadaki Tontaro vs Jin | 5–7 | 41.67% |
| Itadaki Tontaro vs Kazuya | 4–8 | 33.33% |
| Itadaki Tontaro vs Bryan | 4–6 | 40.00% |
| Itadaki Tontaro vs King | 4–5 | 44.44% |
| Itadaki Tontaro vs Asuka | 5–4 | 55.56% |
| Itadaki Tontaro vs Dragunov | 4–5 | 44.44% |
| Itadaki Tontaro vs Nina | 3–6 | 33.33% |
| Itadaki Tontaro vs Lidia | 4–5 | 44.44% |
| Itadaki Tontaro vs Jack-8 | 1–7 | 12.50% |
| Itadaki Tontaro vs Azucena | 4–4 | 50.00% |
| Itadaki Tontaro vs Yoshimitsu | 3–4 | 42.86% |
| Itadaki Tontaro vs Lars | 3–4 | 42.86% |
| Itadaki Tontaro vs Feng | 3–3 | 50.00% |
| Itadaki Tontaro vs Shaheen | 2–4 | 33.33% |
| Itadaki Tontaro vs Paul | 3–2 | 60.00% |
| Itadaki Tontaro vs Alisa | 1–4 | 20.00% |
| Itadaki Tontaro vs Leroy | 3–2 | 60.00% |
| Itadaki Tontaro vs Law | 1–3 | 25.00% |
| Itadaki Tontaro vs Steve | 1–3 | 25.00% |
| Itadaki Tontaro vs Kuma | 0–4 | 0.00% |
| Itadaki Tontaro vs Jun | 2–2 | 50.00% |
| Itadaki Tontaro vs Victor | 0–4 | 0.00% |
| Itadaki Tontaro vs Raven | 1–3 | 25.00% |
| Itadaki Tontaro vs Lili | 2–1 | 66.67% |
| Itadaki Tontaro vs Leo | 1–2 | 33.33% |
| Itadaki Tontaro vs Lee | 0–3 | 0.00% |
| Itadaki Tontaro vs Zafina | 1–2 | 33.33% |
| Itadaki Tontaro vs Xiaoyu | 2–0 | 100.00% |
| Itadaki Tontaro vs Panda | 0–1 | 0.00% |
| Itadaki Tontaro vs Eddy | 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.