The winning Wisconsin Pick 4 numbers for May 22, 1999 were: single 1-2-3-7.
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 22, 1999 | Single | 1-2-3-7 | 13 | 4 |
| May 21, 1999 | Single | 4-2-8-4 | 18 | 9 |
| May 20, 1999 | Single | 1-9-2-4 | 16 | 7 |
| May 19, 1999 | Single | 3-0-4-2 | 9 | 9 |
| May 18, 1999 | Single | 0-9-3-5 | 17 | 8 |
| May 17, 1999 | Single | 9-5-8-8 | 30 | 3 |
| May 16, 1999 | Single | 0-9-3-7 | 19 | 1 |