Second round
Shahar lost in the second round to the world number 10, Nadia Petrova 4-6, 6-2, 3-6.
Shahar's next tournament will be next week in Cincinnati.
First round
Shahar played her first round match against Anastasia Rodionova. When Shahar was leading 7-5, 4-1, Rodionova retired.
Shahar will play in the second round against the world-ranked number 10, Nadia Petrova.
The match is scheduled to take place on Wednesday.
First round preview
Shahar, like all the other players, is now playing four tournaments before the US Open, which will take place at the end of August.
Shahar will play in the first round of the Los Angeles tournament against the qualifying Russian Rodionova, ranked 123 in the world.
The match is scheduled to take place at 1pm Pacific Time.