Ideally the second row of the table should disappear. It's easy to make it invisible. Unfortunately, it's not easy to make it not take up any space - you can't apply a height to a table row.
| this is the first row |
| this is the second row |
| this is the third row - 100 pixels |
| this is the 4th row - 0 pixels |
| this is the 5th row |
| this is the 6th row |