| Date | Ontario 49 Winning Numbers |
BB |
| 11/03 98(WED) |
01, 05, 14, 41, 45, 48 | 40 |
| 14/03 98(SAT) |
06, 16, 19, 35, 45, 46 | 47 |
| 18/03 98(WED) |
04, 16, 42, 44, 46, 47 | 28 |
| 21/03 98(SAT) |
05, 27, 33, 42, 47, 48 | 28 |
| 25/03 98(WED) |
11, 13, 18, 33, 35, 41 | 45 |
| 28/03 98(SAT) |
06, 09, 27, 28, 31, 44 | 16 |
| 01/04 98(WED) |
01, 04, 09, 20, 24, 44 | 07 |
| 04/04 98(SAT) |
13, 15, 21, 32, 34, 43 | 19 |
| 08/04 98(WED) |
04, 09, 18, 39, 40, 42 | 03 |
| 11/04 98(SAT) |
05, 13, 20, 34, 38, 41 | 15 |
| 15/04 98(WED) |
01, 23, 29, 35, 39, 41 | 08 |
| 18/04 98(SAT) |
01, 12, 19, 31, 33, 45 | 29 |
| 22/04 98(WED) |
01, 05, 24, 28, 39, 42 | 48 |
| 25/04 98(SAT) |
12, 25, 39, 42, 44, 47 | 11 |
| 29/04 98(WED) |
02, 18, 31, 33, 34, 48 | 07 |
| 02/05 98(SAT) |
05, 10, 14, 21, 28, 34 | 02 |
| 06/05 98(WED) |
05, 06, 11, 13, 18, 43 | 02 |
| 09/05 98(SAT) |
12, 17, 26, 32, 35, 39 | 21 |
| 13/05 98(WED) |
07, 23, 28, 44, 46, 48 | 01 |
| 16/05 98(SAT) |
09, 13, 16, 20, 21, 37 | 01 |
| 20/05 98(WED) |
10, 32, 33, 44, 45, 46 | 36 |
| 23/05 98(SAT) |
02, 08, 18, 26, 33, 39 | 46 |
| 27/05 98(WED) |
07, 12, 32, 42, 46, 47 | 04 |