| MC Spammer vs Kazuya | 491–455 | 51.90% |
| MC Spammer vs Jin | 414–382 | 52.01% |
| MC Spammer vs Bryan | 343–378 | 47.57% |
| MC Spammer vs King | 307–320 | 48.96% |
| MC Spammer vs Reina | 305–318 | 48.96% |
| MC Spammer vs Hwoarang | 317–286 | 52.57% |
| MC Spammer vs Steve | 291–293–1 | 49.83% |
| MC Spammer vs Law | 249–308 | 44.70% |
| MC Spammer vs Yoshimitsu | 259–253 | 50.59% |
| MC Spammer vs Lee | 259–231 | 52.86% |
| MC Spammer vs Heihachi | 193–240 | 44.57% |
| MC Spammer vs Paul | 187–239 | 43.90% |
| MC Spammer vs Dragunov | 202–222 | 47.64% |
| MC Spammer vs Lili | 196–216–1 | 47.57% |
| MC Spammer vs Lars | 196–197 | 49.87% |
| MC Spammer vs Azucena | 169–218 | 43.67% |
| MC Spammer vs Jun | 193–180 | 51.74% |
| MC Spammer vs Feng | 144–199 | 41.98% |
| MC Spammer vs Nina | 146–194 | 42.94% |
| MC Spammer vs Devil Jin | 120–212 | 36.14% |
| MC Spammer vs Asuka | 155–160 | 49.21% |
| MC Spammer vs Victor | 147–154 | 48.84% |
| MC Spammer vs Leo | 139–148 | 48.43% |
| MC Spammer vs Raven | 125–161 | 43.71% |
| MC Spammer vs Xiaoyu | 125–150 | 45.45% |
| MC Spammer vs Clive | 122–142 | 46.21% |
| MC Spammer vs Eddy | 113–148 | 43.30% |
| MC Spammer vs Jack-8 | 97–140 | 40.93% |
| MC Spammer vs Lidia | 101–132 | 43.35% |
| MC Spammer vs Leroy | 107–124 | 46.32% |
| MC Spammer vs Alisa | 113–109 | 50.90% |
| MC Spammer vs Shaheen | 90–93 | 49.18% |
| MC Spammer vs Claudio | 66–92 | 41.77% |
| MC Spammer vs Zafina | 66–77 | 46.15% |
| MC Spammer vs Kuma | 34–72 | 32.08% |
| MC Spammer vs Armor King | 50–44 | 53.19% |
| MC Spammer vs Fahkumram | 17–56 | 23.29% |
| MC Spammer vs Panda | 20–31 | 39.22% |
| MC Spammer vs Anna | 22–27 | 44.90% |
| MC Spammer vs Miary Zo | 6–14 | 30.00% |
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.