The 2018 BRD Bucharest Open was a tennis tournament played on outdoor clay courts. It was the fifth edition of the tournament and part of the International category of the 2018 WTA Tour. It was held from 16 to 22 July 2018 at the Arenele BNR in Bucharest, Romania.[1] [2]
| Event | W | F | SF | QF | Round of 16 | Round of 32 | width=85 | Q | width=85 | Q3 | width=85 | Q2 | width=85 | Q1 |
| Singles | 280 | 180 | 110 | 60 | 30 | 1 | 18 | 14 | 10 | 1 | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubles | 1 |
| width=130 bgcolor=dfe2e9 | Event | width=80 bgcolor=lime | W | width=85 bgcolor=thistle | F | width=85 bgcolor=ffff00 | SF | width=85 bgcolor=ffebcd | QF | width=85 bgcolor=afeeee | Round of 16 | width=85 bgcolor=afeeee | Round of 32 | width=85 | Q3 | width=85 | Q2 | width=85 | Q1 |
| style=background:#ededed | Singles | $43,000 | $21,400 | $11,300 | $5,900 | $3,310 | $1,925 | $1,005 | $730 | $530 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| style=background:#ededed | Doubles | $12,300 | $6,400 | $3,435 | $1,820 | $960 |
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Anastasija Sevastova | 21 | 1 | ||
 Romania | Mihaela Buzărnescu | 28 | 2 | |
| Romania | Irina-Camelia Begu | 36 | 3 | |
| Petra Martić | 43 | 4 | ||
| Romania | Sorana Cîrstea | 51 | 5 | |
| Romania | Ana Bogdan | 59 | 6 | |
 France | Pauline Parmentier | 63 | 7 | |
| Polona Hercog | 64 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry using a protected ranking into the singles main draw:
The following players received entry from the qualifying draw:
Sara Errani → replaced by 
Ons Jabeur
Kaia Kanepi → replaced by 
Ysaline Bonaventure Monica Niculescu → replaced by Viktoriya Tomova
Yulia Putintseva → replaced by Jasmine Paolini
Carla Suárez Navarro → replaced by 
Vera Zvonareva| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Romania | Mihaela Buzărnescu | Romania | Raluca Olaru | 82 | 1 | |
 Australia | Monique Adamczak | Australia | Jessica Moore | 127 | 2 | |
| Romania | Irina Bara | Nicola Geuer | 171 | 3 | ||
 Belarus | Lidziya Marozava | Arantxa Rus | 178 | 4 |
The following pairs received wildcards into the doubles main draw:
See main article: 2018 Bucharest Open – Singles.
See main article: 2018 Bucharest Open – Doubles.
Irina-Camelia Begu / Andreea Mitu def. 
Danka Kovinić / Maryna Zanevska 6–3, 6–4
