JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    
    <tr>
        <td>1</td>
        <td rowspan=4>5</td>
    </tr>
    <tr>
        <td>2</td>
    </tr>
    <tr>
        <td>3</td>
    </tr>
    <tr>
        <td>4</td>
    </tr> 
</table>

CSS

td {
    border:1px #000 solid;
}