Output specific entry from entries field based on position
{% set allEntries = entry.entriesSelector.all() %}

&lt;ul&gt;
    &lt;li&gt;First: {{ allEntries[0].title }}&lt;/li&gt;
    &lt;li&gt;Second: {{ allEntries[1].title }}&lt;/li&gt;
    &lt;li&gt;Fourth: {{ allEntries[3].title }}&lt;/li&gt;
    &lt;li&gt;Last: {{ allEntries|reverse[0].title }}&lt;/li&gt;
&lt;/ul&gt;