| xNikko vs Kazuya | 349–249 | 58.36% |
| xNikko vs Heihachi | 248–213 | 53.80% |
| xNikko vs Bryan | 241–190 | 55.92% |
| xNikko vs Jin | 239–185 | 56.37% |
| xNikko vs Reina | 244–162 | 60.10% |
| xNikko vs Paul | 151–121–1 | 55.51% |
| xNikko vs Clive | 134–129 | 50.95% |
| xNikko vs Lee | 128–103 | 55.41% |
| xNikko vs Dragunov | 118–112 | 51.30% |
| xNikko vs Steve | 123–102 | 54.67% |
| xNikko vs Devil Jin | 122–102 | 54.46% |
| xNikko vs Hwoarang | 107–108 | 49.77% |
| xNikko vs King | 127–79 | 61.65% |
| xNikko vs Law | 95–98 | 49.22% |
| xNikko vs Feng | 99–91 | 52.11% |
| xNikko vs Asuka | 80–88 | 47.62% |
| xNikko vs Lili | 74–92 | 44.58% |
| xNikko vs Nina | 70–90 | 43.75% |
| xNikko vs Lars | 66–81 | 44.90% |
| xNikko vs Jun | 73–72 | 50.34% |
| xNikko vs Lidia | 61–83 | 42.36% |
| xNikko vs Yoshimitsu | 58–69 | 45.67% |
| xNikko vs Alisa | 53–72 | 42.40% |
| xNikko vs Claudio | 80–43 | 65.04% |
| xNikko vs Azucena | 61–55 | 52.59% |
| xNikko vs Victor | 61–50 | 54.95% |
| xNikko vs Jack-8 | 47–56 | 45.63% |
| xNikko vs Leroy | 57–46 | 55.34% |
| xNikko vs Eddy | 34–52 | 39.53% |
| xNikko vs Leo | 39–44 | 46.99% |
| xNikko vs Raven | 40–36 | 52.63% |
| xNikko vs Xiaoyu | 27–44 | 38.03% |
| xNikko vs Shaheen | 26–40 | 39.39% |
| xNikko vs Armor King | 25–37 | 40.32% |
| xNikko vs Zafina | 22–33 | 40.00% |
| xNikko vs Kuma | 11–21 | 34.38% |
| xNikko vs Anna | 14–14 | 50.00% |
| xNikko vs Panda | 10–11 | 47.62% |
| xNikko vs Fahkumram | 9–5 | 64.29% |
| xNikko vs Miary Zo | 0–7 | 0.00% |
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.