2018 Punta Open

{{Infobox tennis event|2018|Punta Open|

| date=26 February – 4 March

| edition=1st

| surface=Clay

| champs={{flagicon|ARG}} Guido Andreozzi

| champd={{flagicon|ARG}} Facundo Bagnis / {{flagicon|URU}} Ariel Behar

}}

The 2018 Punta Open was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Punta del Este, Uruguay between 26 February and 4 March 2018.

Singles main-draw entrants

class="sortable wikitable"
width="70"\| Country ! width="175"\| Player ! Rank¹ ! Seed
{{flag\|SRB}} \|Laslo Đere \|90 \|1
{{flag\|POR}} \|Pedro Sousa \|122 \|2
{{flag\|SVK}} \|Andrej Martin \|132 \|3
{{flag\|SVK}} \|Jozef Kovalík \|149 \|4
{{flag\|ITA}} \|Alessandro Giannessi \|159 \|5
{{flag\|ITA}} \|Simone Bolelli \|171 \|6
{{flag\|ESP}} \|Carlos Taberner \|177 \|7
{{flag\|ARG}} \|Facundo Bagnis \|185 \|8

class="sortable wikitable"

width="70"| Country

! width="175"| Player

! Rank¹

! Seed

|90

|122

|132

|149

|159

|171

|177

|185

¹ Rankings are as of 19 February 2018.{{cite web|url=http://www.atptour.com/en/rankings/singles|title=Rankings – Singles – ATP Tour – Tennis|website=ATP Tour}}

The following players received wildcards into the singles main draw:

The following players received entry from the qualifying draw:

{{flagicon|ARG}} Guido Andreozzi def. {{flagicon|ITA}} Simone Bolelli 3–6, 6–4, 6–3.

{{flagicon|ARG}} Facundo Bagnis / {{flagicon|URU}} Ariel Behar def. {{flagicon|ITA}} Simone Bolelli / {{flagicon|ITA}} Alessandro Giannessi 6–2, 7–6^(9–7).