The winning Wisconsin Pick 4 numbers for May 9, 2021 were: midday 7-7-9-2; evening 3-9-2-2.
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).
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 9, 2021 | Evening | 3-9-2-2 | 16 | 7 |
| May 9, 2021 | Midday | 7-7-9-2 | 25 | 7 |
| May 8, 2021 | Evening | 1-9-7-8 | 25 | 7 |
| May 8, 2021 | Midday | 6-1-5-1 | 13 | 4 |
| May 7, 2021 | Evening | 5-7-5-0 | 17 | 8 |
| May 7, 2021 | Midday | 6-8-9-6 | 29 | 2 |
| May 6, 2021 | Evening | 4-3-0-6 | 13 | 4 |
| May 6, 2021 | Midday | 0-5-5-0 | 10 | 1 |
| May 5, 2021 | Evening | 6-0-0-4 | 10 | 1 |
| May 5, 2021 | Midday | 6-9-2-0 | 17 | 8 |
| May 4, 2021 | Evening | 3-6-6-5 | 20 | 2 |
| May 4, 2021 | Midday | 2-1-6-8 | 17 | 8 |
| May 3, 2021 | Evening | 0-6-7-5 | 18 | 9 |
| May 3, 2021 | Midday | 4-8-4-4 | 20 | 2 |