Eighth-seeded Lucie Safarova of the Czech Republic advanced in the first match of the New Haven Open when American Varvara Lepchenko retired with a left wrist injury.

Safarova was leading 6-3, 4-1 when the left-handed Lepchenko retired.

The 19th-ranked Safarova broke into the top 20 this season for the first time in her career.

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