2018 Tianjin Open
The 2018 Tianjin Open was a women's professional tennis tournament played on hard courts. It was the 5th edition of the tournament, and part of the 2018 WTA Tour. It took place at the Tuanbo International Tennis Centre in Tianjin, China between 8 and 14 October 2018.Point distribution
Prize money
| Event | W | F | SF | QF | Round of 16 | Round of 321 | Q2 | Q1 |
| Singles | $163,265 | $81,251 | $43,663 | $13,068 | $7,195 | $4,444 | $2,160 | $1,270 |
| Doubles * | $26,031 | $13,544 | $7,271 | $3,852 | $2,031 | | | |
1 Qualifiers prize money is also the Round of 32 prize money
* per teamSeeds
- 1 Rankings are as of October 1, 2018
Other entrants
The following players received wildcards into the singles main draw:
The following player received entry through a protected ranking:
The following players received entry from the qualifying draw:
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
| Irina-Camelia Begu | | Barbora Krejčíková | 25 | 1 |
| Gabriela Dabrowski | | Xu Yifan | 25 | 2 |
| Nicole Melichar | | Květa Peschke | 32 | 3 |
| Kaitlyn Christian | | Desirae Krawczyk | 120 | 4 |
- 1 Rankings are as of October 1, 2018
Other entrants
The following pairs received wildcards into the doubles main draw:
The following pair received entry as alternates:
;Before the tournament
Singles
