The winning Wisconsin Pick 4 numbers for May 20, 2001 were: single 4-8-4-8.
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 |
|---|---|---|---|---|
| May 20, 2001 | Single | 4-8-4-8 | 24 | 6 |
| May 19, 2001 | Single | 9-0-7-9 | 25 | 7 |
| May 18, 2001 | Single | 9-9-9-2 | 29 | 2 |
| May 17, 2001 | Single | 2-7-0-0 | 9 | 9 |
| May 16, 2001 | Single | 5-6-1-6 | 18 | 9 |
| May 15, 2001 | Single | 4-5-6-1 | 16 | 7 |
| May 14, 2001 | Single | 3-4-1-3 | 11 | 2 |