| Hiiiyaa buddyy vs King | 324–228 | 58.70% |
| Hiiiyaa buddyy vs Hwoarang | 235–272–1 | 46.35% |
| Hiiiyaa buddyy vs Jin | 234–240 | 49.37% |
| Hiiiyaa buddyy vs Kazuya | 257–201–1 | 56.11% |
| Hiiiyaa buddyy vs Bryan | 217–229 | 48.65% |
| Hiiiyaa buddyy vs Steve | 196–228 | 46.23% |
| Hiiiyaa buddyy vs Law | 217–179 | 54.80% |
| Hiiiyaa buddyy vs Yoshimitsu | 232–147 | 61.21% |
| Hiiiyaa buddyy vs Reina | 190–174 | 52.20% |
| Hiiiyaa buddyy vs Lars | 178–177 | 50.14% |
| Hiiiyaa buddyy vs Lee | 131–197 | 39.94% |
| Hiiiyaa buddyy vs Dragunov | 150–171 | 46.73% |
| Hiiiyaa buddyy vs Paul | 158–160 | 49.69% |
| Hiiiyaa buddyy vs Lili | 126–154–1 | 45.00% |
| Hiiiyaa buddyy vs Victor | 131–136 | 49.06% |
| Hiiiyaa buddyy vs Azucena | 132–130 | 50.38% |
| Hiiiyaa buddyy vs Asuka | 129–130 | 49.81% |
| Hiiiyaa buddyy vs Jun | 117–121 | 49.16% |
| Hiiiyaa buddyy vs Heihachi | 122–116 | 51.26% |
| Hiiiyaa buddyy vs Feng | 122–112 | 52.14% |
| Hiiiyaa buddyy vs Devil Jin | 98–123 | 44.34% |
| Hiiiyaa buddyy vs Armor King | 118–102 | 53.64% |
| Hiiiyaa buddyy vs Raven | 101–90 | 52.88% |
| Hiiiyaa buddyy vs Leo | 80–108 | 42.55% |
| Hiiiyaa buddyy vs Nina | 85–98 | 46.45% |
| Hiiiyaa buddyy vs Eddy | 91–91 | 50.00% |
| Hiiiyaa buddyy vs Fahkumram | 76–86 | 46.91% |
| Hiiiyaa buddyy vs Xiaoyu | 70–87 | 44.59% |
| Hiiiyaa buddyy vs Leroy | 68–86 | 44.16% |
| Hiiiyaa buddyy vs Alisa | 67–69 | 49.26% |
| Hiiiyaa buddyy vs Jack-8 | 70–63 | 52.63% |
| Hiiiyaa buddyy vs Claudio | 69–64 | 51.88% |
| Hiiiyaa buddyy vs Lidia | 44–70 | 38.60% |
| Hiiiyaa buddyy vs Kuma | 52–60 | 46.43% |
| Hiiiyaa buddyy vs Anna | 50–49 | 50.51% |
| Hiiiyaa buddyy vs Zafina | 36–59 | 37.89% |
| Hiiiyaa buddyy vs Clive | 31–58 | 34.83% |
| Hiiiyaa buddyy vs Shaheen | 34–44 | 43.59% |
| Hiiiyaa buddyy vs Miary Zo | 32–44 | 42.11% |
| Hiiiyaa buddyy vs Panda | 21–17 | 55.26% |
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.