| Riddum vs Steve | 496–348 | 58.77% |
| Riddum vs Bryan | 349–275 | 55.93% |
| Riddum vs Hwoarang | 360–238 | 60.20% |
| Riddum vs Jin | 330–187 | 63.83% |
| Riddum vs Lars | 310–169 | 64.72% |
| Riddum vs Lili | 275–192–1 | 58.89% |
| Riddum vs Law | 260–158 | 62.20% |
| Riddum vs Kazuya | 238–158 | 60.10% |
| Riddum vs Feng | 232–156 | 59.79% |
| Riddum vs Reina | 225–163 | 57.99% |
| Riddum vs Claudio | 251–133–1 | 65.36% |
| Riddum vs Dragunov | 262–116 | 69.31% |
| Riddum vs Lee | 227–141 | 61.68% |
| Riddum vs King | 234–117 | 66.67% |
| Riddum vs Eddy | 228–115 | 66.47% |
| Riddum vs Asuka | 212–120 | 63.86% |
| Riddum vs Yoshimitsu | 196–122 | 61.64% |
| Riddum vs Lidia | 187–122–1 | 60.52% |
| Riddum vs Jun | 203–105 | 65.91% |
| Riddum vs Devil Jin | 186–110 | 62.84% |
| Riddum vs Victor | 205–84 | 70.93% |
| Riddum vs Xiaoyu | 184–102 | 64.34% |
| Riddum vs Nina | 157–113 | 58.15% |
| Riddum vs Jack-8 | 161–103 | 60.98% |
| Riddum vs Clive | 162–101 | 61.60% |
| Riddum vs Heihachi | 155–98 | 61.26% |
| Riddum vs Raven | 157–91–1 | 63.31% |
| Riddum vs Alisa | 168–75 | 69.14% |
| Riddum vs Leroy | 171–72 | 70.37% |
| Riddum vs Azucena | 165–74 | 69.04% |
| Riddum vs Zafina | 146–92 | 61.34% |
| Riddum vs Leo | 156–76 | 67.24% |
| Riddum vs Paul | 146–74 | 66.36% |
| Riddum vs Anna | 112–77 | 59.26% |
| Riddum vs Shaheen | 114–64 | 64.04% |
| Riddum vs Kuma | 104–51 | 67.10% |
| Riddum vs Armor King | 86–65 | 56.95% |
| Riddum vs Fahkumram | 94–45 | 67.63% |
| Riddum vs Miary Zo | 68–54 | 55.74% |
| Riddum vs Panda | 31–14 | 68.89% |
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.