| IntegrUnderflow vs Jin | 587–621 | 48.59% |
| IntegrUnderflow vs Steve | 512–596 | 46.21% |
| IntegrUnderflow vs Hwoarang | 600–484 | 55.35% |
| IntegrUnderflow vs Bryan | 558–505 | 52.49% |
| IntegrUnderflow vs King | 565–497 | 53.20% |
| IntegrUnderflow vs Law | 545–479 | 53.22% |
| IntegrUnderflow vs Lili | 482–452 | 51.61% |
| IntegrUnderflow vs Kazuya | 412–441 | 48.30% |
| IntegrUnderflow vs Yoshimitsu | 427–356 | 54.53% |
| IntegrUnderflow vs Lee | 399–326 | 55.03% |
| IntegrUnderflow vs Jun | 393–301 | 56.63% |
| IntegrUnderflow vs Lars | 335–333 | 50.15% |
| IntegrUnderflow vs Reina | 331–330 | 50.08% |
| IntegrUnderflow vs Feng | 328–332 | 49.70% |
| IntegrUnderflow vs Azucena | 297–344 | 46.33% |
| IntegrUnderflow vs Dragunov | 294–334 | 46.82% |
| IntegrUnderflow vs Asuka | 296–324 | 47.74% |
| IntegrUnderflow vs Nina | 307–308 | 49.92% |
| IntegrUnderflow vs Devil Jin | 277–334 | 45.34% |
| IntegrUnderflow vs Paul | 271–316 | 46.17% |
| IntegrUnderflow vs Jack-8 | 263–310 | 45.90% |
| IntegrUnderflow vs Alisa | 274–274 | 50.00% |
| IntegrUnderflow vs Leo | 289–253 | 53.32% |
| IntegrUnderflow vs Xiaoyu | 291–235 | 55.32% |
| IntegrUnderflow vs Heihachi | 210–271 | 43.66% |
| IntegrUnderflow vs Leroy | 221–253 | 46.62% |
| IntegrUnderflow vs Raven | 221–252 | 46.72% |
| IntegrUnderflow vs Eddy | 197–253 | 43.78% |
| IntegrUnderflow vs Victor | 184–264 | 41.07% |
| IntegrUnderflow vs Armor King | 187–214 | 46.63% |
| IntegrUnderflow vs Anna | 155–219 | 41.44% |
| IntegrUnderflow vs Claudio | 157–204 | 43.49% |
| IntegrUnderflow vs Lidia | 183–166 | 52.44% |
| IntegrUnderflow vs Zafina | 152–187 | 44.84% |
| IntegrUnderflow vs Fahkumram | 149–164–1 | 47.60% |
| IntegrUnderflow vs Shaheen | 141–153 | 47.96% |
| IntegrUnderflow vs Kuma | 140–151 | 48.11% |
| IntegrUnderflow vs Clive | 96–132 | 42.11% |
| IntegrUnderflow vs Miary Zo | 74–81 | 47.74% |
| IntegrUnderflow vs Panda | 43–49 | 46.74% |
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.