The winning Wisconsin Pick 4 numbers for March 21, 2021 were: midday 9-0-8-0; evening 8-1-0-6.
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).
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, 2021 | Evening | 8-1-0-6 | 15 | 6 |
| Mar 21, 2021 | Midday | 9-0-8-0 | 17 | 8 |
| Mar 20, 2021 | Evening | 7-2-7-6 | 22 | 4 |
| Mar 20, 2021 | Midday | 2-4-2-1 | 9 | 9 |
| Mar 19, 2021 | Evening | 2-8-7-6 | 23 | 5 |
| Mar 19, 2021 | Midday | 6-6-8-7 | 27 | 9 |
| Mar 18, 2021 | Evening | 5-4-2-1 | 12 | 3 |
| Mar 18, 2021 | Midday | 7-8-0-9 | 24 | 6 |
| Mar 17, 2021 | Evening | 6-1-2-8 | 17 | 8 |
| Mar 17, 2021 | Midday | 1-2-7-4 | 14 | 5 |
| Mar 16, 2021 | Evening | 2-7-1-3 | 13 | 4 |
| Mar 16, 2021 | Midday | 4-9-8-5 | 26 | 8 |
| Mar 15, 2021 | Evening | 5-0-0-5 | 10 | 1 |
| Mar 15, 2021 | Midday | 9-5-6-6 | 26 | 8 |