Ganz einfach, das ganze halt nur andersrum:
Code:
<table width="200" border="1">
<tr>
<td> </td>
<td rowspan="2"> </td>
</tr>
<tr>
<td> </td>
</tr>
<tr>
<td> </td>
<td rowspan="2"> </td>
</tr>
<tr>
<td> </td>
</tr>
</table>