| Spefth vs Armor King | 52–49 | 51.49% |
| Spefth vs Reina | 25–44 | 36.23% |
| Spefth vs King | 26–28 | 48.15% |
| Spefth vs Heihachi | 26–27 | 49.06% |
| Spefth vs Kazuya | 21–31 | 40.38% |
| Spefth vs Law | 31–19 | 62.00% |
| Spefth vs Jin | 27–21 | 56.25% |
| Spefth vs Bryan | 23–19 | 54.76% |
| Spefth vs Steve | 15–24 | 38.46% |
| Spefth vs Lee | 17–21 | 44.74% |
| Spefth vs Paul | 23–14 | 62.16% |
| Spefth vs Hwoarang | 11–26 | 29.73% |
| Spefth vs Fahkumram | 12–23 | 34.29% |
| Spefth vs Dragunov | 16–16 | 50.00% |
| Spefth vs Clive | 19–13 | 59.38% |
| Spefth vs Miary Zo | 17–14 | 54.84% |
| Spefth vs Lars | 10–16 | 38.46% |
| Spefth vs Yoshimitsu | 10–13 | 43.48% |
| Spefth vs Jun | 11–12 | 47.83% |
| Spefth vs Lidia | 11–12 | 47.83% |
| Spefth vs Eddy | 8–13 | 38.10% |
| Spefth vs Lili | 16–4 | 80.00% |
| Spefth vs Jack-8 | 11–8 | 57.89% |
| Spefth vs Devil Jin | 10–8 | 55.56% |
| Spefth vs Azucena | 9–9 | 50.00% |
| Spefth vs Asuka | 5–12 | 29.41% |
| Spefth vs Victor | 8–9 | 47.06% |
| Spefth vs Feng | 3–13 | 18.75% |
| Spefth vs Shaheen | 8–8 | 50.00% |
| Spefth vs Anna | 7–9 | 43.75% |
| Spefth vs Alisa | 7–7 | 50.00% |
| Spefth vs Nina | 5–9 | 35.71% |
| Spefth vs Xiaoyu | 3–10 | 23.08% |
| Spefth vs Raven | 5–7 | 41.67% |
| Spefth vs Leroy | 5–6 | 45.45% |
| Spefth vs Kuma | 4–3 | 57.14% |
| Spefth vs Zafina | 6–0 | 100.00% |
| Spefth vs Panda | 2–3 | 40.00% |
| Spefth vs Claudio | 1–2 | 33.33% |
| Spefth vs Leo | 1–0 | 100.00% |
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.