| Rumijun999 vs Bryan | 71–12 | 85.54% |
| Rumijun999 vs Kazuya | 64–16 | 80.00% |
| Rumijun999 vs Dragunov | 69–11 | 86.25% |
| Rumijun999 vs King | 63–10 | 86.30% |
| Rumijun999 vs Reina | 55–14 | 79.71% |
| Rumijun999 vs Jin | 59–8 | 88.06% |
| Rumijun999 vs Heihachi | 45–15 | 75.00% |
| Rumijun999 vs Steve | 42–17 | 71.19% |
| Rumijun999 vs Paul | 46–7 | 86.79% |
| Rumijun999 vs Hwoarang | 42–11 | 79.25% |
| Rumijun999 vs Clive | 41–9 | 82.00% |
| Rumijun999 vs Lili | 42–5 | 89.36% |
| Rumijun999 vs Asuka | 37–4 | 90.24% |
| Rumijun999 vs Azucena | 29–7 | 80.56% |
| Rumijun999 vs Victor | 29–6 | 82.86% |
| Rumijun999 vs Yoshimitsu | 25–8 | 75.76% |
| Rumijun999 vs Jun | 25–8 | 75.76% |
| Rumijun999 vs Armor King | 22–8 | 73.33% |
| Rumijun999 vs Law | 25–2 | 92.59% |
| Rumijun999 vs Jack-8 | 18–8 | 69.23% |
| Rumijun999 vs Lars | 16–10 | 61.54% |
| Rumijun999 vs Alisa | 22–4 | 84.62% |
| Rumijun999 vs Fahkumram | 15–9 | 62.50% |
| Rumijun999 vs Feng | 18–5 | 78.26% |
| Rumijun999 vs Lidia | 17–6 | 73.91% |
| Rumijun999 vs Xiaoyu | 18–3 | 85.71% |
| Rumijun999 vs Devil Jin | 14–7 | 66.67% |
| Rumijun999 vs Lee | 14–6 | 70.00% |
| Rumijun999 vs Zafina | 16–4 | 80.00% |
| Rumijun999 vs Leroy | 16–3 | 84.21% |
| Rumijun999 vs Leo | 15–2 | 88.24% |
| Rumijun999 vs Kuma | 15–1 | 93.75% |
| Rumijun999 vs Nina | 11–3 | 78.57% |
| Rumijun999 vs Claudio | 11–2 | 84.62% |
| Rumijun999 vs Miary Zo | 4–9 | 30.77% |
| Rumijun999 vs Panda | 9–3 | 75.00% |
| Rumijun999 vs Shaheen | 10–1 | 90.91% |
| Rumijun999 vs Eddy | 9–2 | 81.82% |
| Rumijun999 vs Anna | 10–1 | 90.91% |
| Rumijun999 vs Raven | 8–2 | 80.00% |
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.