2018 Prosperita Open

{{TennisEventInfo|2018|Prosperita Open|

| date=30 April – 6 May

| edition=15th

| draw=32S / 16D

| surface=Clay

| location=Ostrava, Czech Republic

| champs={{flagicon|BEL}} Arthur De Greef

| champd={{flagicon|HUN}} Attila Balázs / {{flagicon|POR}} Gonçalo Oliveira

}}

The 2018 Prosperita Open was a professional tennis tournament played on clay courts. It was the 15th edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Ostrava, Czech Republic between 30 April and 6 May.

Singles main-draw entrants

=Seeds=

class="sortable wikitable"
width="70"| Country

! width="175"| Player

! Rank1

! Seed

{{flag|BEL}}

|Ruben Bemelmans

|107

|1

{{flag|UKR}}

|Sergiy Stakhovsky

|122

|2

{{flag|HUN}}

|Attila Balázs

|163

|3

{{flag|FRA}}

|Gleb Sakharov

|187

|4

{{flag|FRA}}

|Benjamin Bonzi

|198

|5

{{flag|POR}}

|Gonçalo Oliveira

|212

|6

{{flag|CZE}}

|Adam Pavlásek

|218

|7

{{flag|IND}}

|Sumit Nagal

|219

|8

  • 1 Rankings are as of 23 April 2018.

=Other entrants=

The following players received wildcards into the singles main draw:

The following players received entry from the qualifying draw:

Champions

=Singles=

{{main|2018 Prosperita Open – Singles}}

=Doubles=

{{main|2018 Prosperita Open – Doubles}}