The winning Wisconsin Pick 4 numbers for March 21, 2010 were: single 3-4-2-5.
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 |
|---|---|---|---|---|
| Mar 21, 2010 | Single | 3-4-2-5 | 14 | 5 |
| Mar 20, 2010 | Single | 4-4-3-3 | 14 | 5 |
| Mar 19, 2010 | Single | 2-6-0-6 | 14 | 5 |
| Mar 18, 2010 | Single | 9-1-4-2 | 16 | 7 |
| Mar 17, 2010 | Single | 5-8-8-6 | 27 | 9 |
| Mar 16, 2010 | Single | 7-4-7-1 | 19 | 1 |
| Mar 15, 2010 | Single | 9-0-7-3 | 19 | 1 |