The 2018 Silicon Valley Classic (also known as the Mubadala Silicon Valley Classic for sponsorship reasons) was a professional women's tennis tournament played on hard courts. It was the 47th edition of the tournament, and part of the WTA Premier tournaments of the 2018 WTA Tour. It took place between 30 July and 5 August 2018 and was the first time the tournament is held in San Jose, California, following a move from Stanford.[1] It was the first women's event on the 2018 US Open Series.
| 2018 Silicon Valley Classic | |
|---|---|
| Date | 30 July – 5 August |
| Edition | 47th |
| Category | WTA Premier |
| Draw | 28S / 16D |
| Prize money | $753,000 |
| Surface | Hard |
| Location | San Jose, California, United States |
| Venue | San José State University Tennis Center |
| Champions | |
| Singles | |
 Mihaela Buzărnescu | |
| Doubles | |
 Latisha Chan /  Květa Peschke | |
Points and prize money
Point distribution
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q | Q2 | Q1 |
| Women's singles | 470 | 305 | 185 | 100 | 55 | 1 | 25 | 13 | 1 |
|---|---|---|---|---|---|---|---|---|---|
| Women's doubles | 1 | — | — | — | — |
Prize money
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Q2 | Q1 |
| Women's singles | $128,100 | $68,280 | $37,330 | $21,330 | $10,670 | $6,990 | $3,225 | $1,810 |
|---|---|---|---|---|---|---|---|---|
| Women's doubles | $40,300 | $21,330 | $11,735 | $5,975 | $3,240 | — | — | — |
Singles main-draw entrants
Seeds
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 ESP | |||
 USA | |||
| USA | Venus Williams | 14 | 3 |
 BEL | Elise Mertens | 15 | 4 |
| ROU | Mihaela Buzărnescu | 24 | 5 |
| USA | Serena Williams | 27 | 6 |
 CHN | Zhang Shuai | 32 | 7 |
 HUN | Tímea Babos | 39 | 8 |
- 1 Rankings are as of July 23, 2018.
Other entrants
The following players received wildcards into the singles main draw:
The following player received entry using a protected ranking:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
Withdrawals
Catherine Bellis → replaced by 
Kateryna Bondarenko
Polona Hercog → replaced by Sofia Kenin- Madison Keys → replaced by
Magdalena Fręch 
Garbiñe Muguruza → replaced by 
Anna Blinkova- Anastasia Pavlyuchenkova → replaced by
Heather Watson - Maria Sharapova → replaced by
Victoria Azarenka - CoCo Vandeweghe → replaced by Christina McHale
Retirements
Doubles main-draw entrants
Seeds
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
| TPE | Latisha Chan | CZE | Květa Peschke | 17 | 1 |
| ROU | Mihaela Buzărnescu |  GBR | Heather Watson | 80 | 2 |
 UKR | Lyudmyla Kichenok | UKR | Nadiia Kichenok | 84 | 3 |
 JPN | Miyu Kato | JPN | Makoto Ninomiya | 92 | 4 |
- 1 Rankings are as of July 23, 2018.
Other entrants
The following pair received a wildcard into the main draw:
Withdrawals
- During the tournament
Finals
Singles
Mihaela Buzărnescu defeated 
Maria Sakkari, 6–1, 6–0
Doubles
Latisha Chan / 
Květa Peschke defeated Lyudmyla Kichenok / Nadiia Kichenok, 6–4, 6–1