| Killer99 vs Hwoarang | 190–185 | 50.67% |
| Killer99 vs Jin | 199–158 | 55.74% |
| Killer99 vs Kazuya | 184–142 | 56.44% |
| Killer99 vs King | 155–130 | 54.39% |
| Killer99 vs Law | 120–135 | 47.06% |
| Killer99 vs Bryan | 124–120 | 50.82% |
| Killer99 vs Paul | 100–143 | 41.15% |
| Killer99 vs Steve | 129–81 | 61.43% |
| Killer99 vs Yoshimitsu | 83–102 | 44.86% |
| Killer99 vs Lili | 77–79 | 49.36% |
| Killer99 vs Eddy | 74–78 | 48.68% |
| Killer99 vs Alisa | 67–77 | 46.53% |
| Killer99 vs Jun | 70–67 | 51.09% |
| Killer99 vs Lars | 67–68 | 49.63% |
| Killer99 vs Dragunov | 62–72 | 46.27% |
| Killer99 vs Victor | 61–69 | 46.92% |
| Killer99 vs Reina | 53–76 | 41.09% |
| Killer99 vs Devil Jin | 71–57 | 55.47% |
| Killer99 vs Xiaoyu | 47–67 | 41.23% |
| Killer99 vs Lee | 58–49 | 54.21% |
| Killer99 vs Asuka | 42–62 | 40.38% |
| Killer99 vs Nina | 49–55 | 47.12% |
| Killer99 vs Feng | 38–64 | 37.25% |
| Killer99 vs Heihachi | 42–59 | 41.58% |
| Killer99 vs Azucena | 37–44 | 45.68% |
| Killer99 vs Anna | 32–40 | 44.44% |
| Killer99 vs Leroy | 37–31 | 54.41% |
| Killer99 vs Clive | 30–38 | 44.12% |
| Killer99 vs Fahkumram | 22–30 | 42.31% |
| Killer99 vs Jack-8 | 18–31 | 36.73% |
| Killer99 vs Lidia | 26–23 | 53.06% |
| Killer99 vs Raven | 21–23 | 47.73% |
| Killer99 vs Leo | 27–15 | 64.29% |
| Killer99 vs Claudio | 22–19 | 53.66% |
| Killer99 vs Kuma | 14–27 | 34.15% |
| Killer99 vs Shaheen | 20–10 | 66.67% |
| Killer99 vs Armor King | 16–9 | 64.00% |
| Killer99 vs Zafina | 9–14 | 39.13% |
| Killer99 vs Panda | 4–6 | 40.00% |
| Killer99 vs Miary Zo | 4–3 | 57.14% |
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.