| Date | Ontario 49 Winning Numbers |
BB |
| 14/01 98(WED) |
04, 11, 13, 25, 37, 49 | 24 |
| 17/01 98(SAT) |
16, 19, 26, 27, 31, 39 | 02 |
| 21/01 98(WED) |
08, 20, 23, 30, 42, 43 | 32 |
| 24/01 98(SAT) |
05, 07, 17, 25, 29, 45 | 31 |
| 28/01 98(WED) |
12, 26, 27, 29, 34, 49 | 01 |
| 31/01 98(SAT) |
03, 04, 14, 20, 23, 31 | 17 |
| 04/02 98(WED) |
02, 11, 33, 36, 37, 46 | 29 |
| 07/02 98(SAT) |
24, 30, 37, 40, 46, 49 | 32 |
| 11/02 98(WED) |
11, 19, 21, 36, 41, 47 | 03 |
| 14/02 98(SAT) |
02, 03, 33, 44, 45, 47 | 36 |
| 18/02 98(WED) |
07, 26, 29, 33, 40, 42 | 44 |
| 21/02 98(SAT) |
14, 15, 19, 22, 27, 32 | 07 |
| 25/02 98(WED) |
07, 12, 19, 23, 39, 40 | 14 |
| 28/02 98(SAT) |
01, 08, 22, 28, 47, 49 | 03 |
| 04/03 98(WED) |
05, 06, 20, 47, 48, 49 | 41 |
| 07/03 98(SAT) |
05, 06, 13, 16, 24, 41 | 21 |
| 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 |