| Lil Mac vs Armor King | 76–86 | 46.91% |
| Lil Mac vs Jin | 37–61 | 37.76% |
| Lil Mac vs King | 47–42 | 52.81% |
| Lil Mac vs Kazuya | 35–49 | 41.67% |
| Lil Mac vs Steve | 41–33 | 55.41% |
| Lil Mac vs Bryan | 38–30 | 55.88% |
| Lil Mac vs Hwoarang | 36–28 | 56.25% |
| Lil Mac vs Law | 32–30 | 51.61% |
| Lil Mac vs Heihachi | 27–33 | 45.00% |
| Lil Mac vs Reina | 36–20 | 64.29% |
| Lil Mac vs Azucena | 30–23 | 56.60% |
| Lil Mac vs Lili | 20–26 | 43.48% |
| Lil Mac vs Yoshimitsu | 19–25 | 43.18% |
| Lil Mac vs Dragunov | 17–27 | 38.64% |
| Lil Mac vs Fahkumram | 24–19 | 55.81% |
| Lil Mac vs Victor | 22–17 | 56.41% |
| Lil Mac vs Miary Zo | 15–22 | 40.54% |
| Lil Mac vs Jun | 19–17 | 52.78% |
| Lil Mac vs Paul | 15–20 | 42.86% |
| Lil Mac vs Clive | 14–20 | 41.18% |
| Lil Mac vs Lars | 18–15 | 54.55% |
| Lil Mac vs Eddy | 15–18 | 45.45% |
| Lil Mac vs Xiaoyu | 12–20 | 37.50% |
| Lil Mac vs Asuka | 9–19 | 32.14% |
| Lil Mac vs Anna | 11–16 | 40.74% |
| Lil Mac vs Lee | 16–10 | 61.54% |
| Lil Mac vs Alisa | 11–14 | 44.00% |
| Lil Mac vs Lidia | 15–10 | 60.00% |
| Lil Mac vs Devil Jin | 13–11 | 54.17% |
| Lil Mac vs Leo | 11–13 | 45.83% |
| Lil Mac vs Nina | 8–14 | 36.36% |
| Lil Mac vs Raven | 10–12 | 45.45% |
| Lil Mac vs Feng | 6–13 | 31.58% |
| Lil Mac vs Leroy | 10–9 | 52.63% |
| Lil Mac vs Claudio | 4–11 | 26.67% |
| Lil Mac vs Jack-8 | 5–7 | 41.67% |
| Lil Mac vs Shaheen | 6–6 | 50.00% |
| Lil Mac vs Zafina | 4–5 | 44.44% |
| Lil Mac vs Kuma | 4–3 | 57.14% |
| Lil Mac vs Panda | 0–3 | 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.