Replace this
$includes[content].="<br><br>Last drawings winners: <br>
<table border=1>
<tr>
<th><center>Round</center></th>
<th><center>1st #</center></th>
<th><center>2nd #</center></th>
<th><center>3rd #</center></th>
<th><center>4th #</center></th>
</tr>";
$result = $Db1->query("SELECT * FROM lottowinners ORDER BY id DESC limit 5");
while($checker = $Db1->fetch_array($result))
{
$includes[content].="<tr>
<td><center>{$checker['id']}</center></td>
<td><center>{$checker[ticket_num1]}</center></td>
<td><center>{$checker[ticket_num2]}</center></td>
<td><center>{$checker[ticket_num3]}</center></td>
<td><center>{$checker[ticket_num4]}</center></td>
</tr>";
}
with this.
$includes[content].="<br><br>Last drawings winners: <br>
<table border=1>
<tr>
<th><center>Round</center></th>
<th colspan=2><center>1st #</center></th>
<th colspan=2><center>2nd #</center></th>
<th colspan=2><center>3rd #</center></th>
<th colspan=2><center>4th #</center></th>
</tr>";
$result = $Db1->query("SELECT * FROM lottowinners ORDER BY id DESC limit 5");
while($checker = $Db1->fetch_array($result))
{
$includes[content].="<tr>
<td><center>{$checker['id']}</center></td>
<td><center>{$checker[ticket_num1]}</center></td><td><center>{$checker[username1]}</center></td>
<td><center>{$checker[ticket_num2]}</center></td><td><center>{$checker[username2]}</center></td>
<td><center>{$checker[ticket_num3]}</center></td><td><center>{$checker[username3]}</center></td>
<td><center>{$checker[ticket_num4]}</center></td><td><center>{$checker[username4]}</center></td>
</tr>";
}