| Hitokiri Sennin vs Kazuya | 534–449 | 54.32% |
| Hitokiri Sennin vs Bryan | 504–472 | 51.64% |
| Hitokiri Sennin vs Jin | 500–426 | 54.00% |
| Hitokiri Sennin vs Hwoarang | 399–389 | 50.63% |
| Hitokiri Sennin vs Dragunov | 373–348 | 51.73% |
| Hitokiri Sennin vs King | 360–319 | 53.02% |
| Hitokiri Sennin vs Reina | 381–282 | 57.47% |
| Hitokiri Sennin vs Heihachi | 343–268 | 56.14% |
| Hitokiri Sennin vs Law | 291–294 | 49.74% |
| Hitokiri Sennin vs Lee | 269–283 | 48.73% |
| Hitokiri Sennin vs Devil Jin | 264–185 | 58.80% |
| Hitokiri Sennin vs Feng | 223–221 | 50.23% |
| Hitokiri Sennin vs Jun | 233–210 | 52.60% |
| Hitokiri Sennin vs Asuka | 221–210 | 51.28% |
| Hitokiri Sennin vs Paul | 204–167 | 54.99% |
| Hitokiri Sennin vs Yoshimitsu | 168–190 | 46.93% |
| Hitokiri Sennin vs Victor | 160–198 | 44.69% |
| Hitokiri Sennin vs Azucena | 200–153–1 | 56.66% |
| Hitokiri Sennin vs Lars | 148–203 | 42.17% |
| Hitokiri Sennin vs Steve | 185–152 | 54.90% |
| Hitokiri Sennin vs Lili | 149–164 | 47.60% |
| Hitokiri Sennin vs Clive | 135–136 | 49.82% |
| Hitokiri Sennin vs Raven | 126–135 | 48.28% |
| Hitokiri Sennin vs Leroy | 116–138 | 45.67% |
| Hitokiri Sennin vs Lidia | 110–128 | 46.22% |
| Hitokiri Sennin vs Alisa | 84–149 | 36.05% |
| Hitokiri Sennin vs Eddy | 117–114 | 50.65% |
| Hitokiri Sennin vs Armor King | 111–100 | 52.61% |
| Hitokiri Sennin vs Fahkumram | 88–118–1 | 42.72% |
| Hitokiri Sennin vs Shaheen | 97–105 | 48.02% |
| Hitokiri Sennin vs Jack-8 | 91–109 | 45.50% |
| Hitokiri Sennin vs Nina | 82–98 | 45.56% |
| Hitokiri Sennin vs Leo | 93–86 | 51.96% |
| Hitokiri Sennin vs Xiaoyu | 74–101 | 42.29% |
| Hitokiri Sennin vs Claudio | 75–87 | 46.30% |
| Hitokiri Sennin vs Kuma | 57–105 | 35.19% |
| Hitokiri Sennin vs Zafina | 73–85 | 46.20% |
| Hitokiri Sennin vs Anna | 48–85 | 36.09% |
| Hitokiri Sennin vs Miary Zo | 37–26 | 58.73% |
| Hitokiri Sennin vs Panda | 7–20 | 25.93% |
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.