The winning Wisconsin Pick 4 numbers for January 21, 2011 were: single 7-3-8-2.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Jan 21, 2011 | Single | 7-3-8-2 | 20 | 2 |
| Jan 20, 2011 | Single | 0-1-1-0 | 2 | 2 |
| Jan 19, 2011 | Single | 5-9-4-9 | 27 | 9 |
| Jan 18, 2011 | Single | 4-8-7-8 | 27 | 9 |
| Jan 17, 2011 | Single | 8-4-4-9 | 25 | 7 |
| Jan 16, 2011 | Single | 5-9-4-2 | 20 | 2 |
| Jan 15, 2011 | Single | 0-1-5-0 | 6 | 6 |