2018 Kunming Open

{{Infobox tennis event|2018|Kunming Open|

| date = 23–29 April (ATP)
30 April–5 May (WTA)

| edition = 7th (ATP)
1st (WTA)

| category = ATP Challenger Tour
WTA 125K series

| location = Anning, China

| surface = Clay

| champms = {{flagicon|IND}} Prajnesh Gunneswaran

| champmd = {{flagicon|BLR}} Aliaksandr Bury / {{flagicon|RSA}} Lloyd Harris

| champws = {{flagicon|RUS}} Irina Khromacheva

| champwd = {{flagicon|SLO}} Dalila Jakupović / {{flagicon|RUS}} Irina Khromacheva

}}

The 2018 Kunming Open was a professional tennis tournament played on outdoor clay courts. It was the seventh (ATP) and first (WTA) edition of the tournament and part of the 2018 ATP Challenger Tour and the 2018 WTA 125K series. It took place in Anning, China, from 23 April–5 May 2018.

Men's singles main draw entrants

= Seeds =

class="sortable wikitable"
width="70"\| Country ! width="175"\| Player ! Rank¹ ! Seed
{{flag\|CAN}} \|Vasek Pospisil \|77 \|1
{{flag\|RUS}} \|Evgeny Donskoy \|87 \|2
{{flag\|AUS}} \|Jordan Thompson \|99 \|3
{{flag\|IND}} \|Ramkumar Ramanathan \|116 \|4
{{flag\|FRA}} \|Quentin Halys \|118 \|5
{{flag\|FRA}} \|Calvin Hemery \|130 \|6
{{flag\|AUS}} \|Alex Bolt \|177 \|7
{{flag\|KOR}} \|Kwon Soon-woo \|208 \|8

class="sortable wikitable"

width="70"| Country

! width="175"| Player

! Rank¹

! Seed

|77

|87

|99

|116

|118

|130

|177

|208

¹ Rankings as of 16 April 2018.{{cite web|url=http://www.atptour.com/en/rankings/singles|title=Rankings – Singles – ATP Tour – Tennis|website=ATP Tour}}

= Other entrants =

The following players received wildcards into the singles main draw:

{{flagicon|CHN}} Bai Yan
{{flagicon|CHN}} Li Yuanfeng
{{flagicon|CHN}} Wang Ruikai
{{flagicon|CHN}} Wang Ruixuan

The following players received entry from the qualifying draw:

{{flagicon|IND}} Sriram Balaji
{{flagicon|KOR}} Chung Yun-seong
{{flagicon|IND}} Sasikumar Mukund
{{flagicon|IND}} Vishnu Vardhan

The following player entered as a lucky loser:

{{flagicon|FRA}} Hugo Grenier

Women's singles main draw entrants

= Seeds =

class="sortable wikitable"
width="70"\| Country ! width="175"\| Player ! Rank¹ ! Seed
{{flag\|CHN}} \|Peng Shuai \|42 \|1
{{flag\|CHN}} \|Wang Yafan \|86 \|2
{{flag\|BEL}} \|Yanina Wickmayer \|98 \|3
style="background:#fcc;" \|{{flag\|CHN}} \|Zheng Saisai \|124 \|4
{{flag\|SLO}} \|Dalila Jakupović \|130 \|5
{{flag\|CAN}} \|Carol Zhao \|138 \|6
{{flag\|CHN}} \|Han Xinyun \|150 \|7
{{flag\|CHN}} \|Liu Fangzhou \|179 \|8

class="sortable wikitable"

width="70"| Country

! width="175"| Player

! Rank¹

! Seed

|Peng Shuai

|42

|Wang Yafan

|86

|Yanina Wickmayer

|98

style="background:#fcc;"

|{{flag|CHN}}

|124

|130

|138

|150

|179

¹ Rankings as of 23 April 2018.

= Other entrants =

The following players received wildcards into the singles main draw:

{{flagicon|CHN}} Jiang Xinyu
{{flagicon|CHN}} Peng Shuai
{{flagicon|CHN}} Tang Qianhui
{{flagicon|CHN}} Yang Zhaoxuan
{{flagicon|CHN}} Zheng Wushuang

The following players received entry from the qualifying draw:

{{flagicon|JPN}} Nagi Hanatani
{{flagicon|SRB}} Natalija Kostić
{{flagicon|RUS}} Nika Kukharchuk
{{flagicon|BUL}} Aleksandrina Naydenova

Women's doubles main draw entrants

= Seeds =

class="sortable wikitable"
width="70"\| Country ! width="175"\| Player ! width="70"\| Country ! width="175"\| Player ! Rank¹ ! Seed
style="background:#cfc;" \|{{flag\|SLO}} \|Dalila Jakupović \|{{flag\|RUS}} \|Irina Khromacheva \|124 \|1
{{flag\|CHN}} \|Han Xinyun \|{{flag\|CHN}} \|Ye Qiuyu \|233 \|2
{{flag\|CHN}} \|Jiang Xinyu \|{{flag\|CHN}} \|Tang Qianhui \|244 \|3
{{flag\|IND}} \|Prarthana Thombare \|{{flag\|CHN}} \|Xun Fangying \|330 \|4

class="sortable wikitable"

width="70"| Country

! width="175"| Player

! width="70"| Country

! width="175"| Player

! Rank¹

! Seed

style="background:#cfc;"

|{{flag|SLO}}

|Dalila Jakupović

|{{flag|RUS}}

|Irina Khromacheva