The winning Wisconsin Pick 4 numbers for March 15, 2021 were: midday 9-5-6-6; evening 5-0-0-5.
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).
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 15, 2021 | Evening | 5-0-0-5 | 10 | 1 |
| Mar 15, 2021 | Midday | 9-5-6-6 | 26 | 8 |
| Mar 14, 2021 | Evening | 3-3-8-2 | 16 | 7 |
| Mar 14, 2021 | Midday | 6-0-0-1 | 7 | 7 |
| Mar 13, 2021 | Evening | 6-1-2-3 | 12 | 3 |
| Mar 13, 2021 | Midday | 8-4-3-9 | 24 | 6 |
| Mar 12, 2021 | Evening | 8-4-8-0 | 20 | 2 |
| Mar 12, 2021 | Midday | 7-4-0-7 | 18 | 9 |
| Mar 11, 2021 | Evening | 4-8-5-1 | 18 | 9 |
| Mar 11, 2021 | Midday | 7-8-3-0 | 18 | 9 |
| Mar 10, 2021 | Evening | 4-4-1-6 | 15 | 6 |
| Mar 10, 2021 | Midday | 5-9-6-4 | 24 | 6 |
| Mar 9, 2021 | Evening | 7-1-0-4 | 12 | 3 |
| Mar 9, 2021 | Midday | 7-8-0-2 | 17 | 8 |