Sania Mirza suffered another first round exit as she bowed out of the USD 600,000 Bausch and Lomb Championships in Florida, on Tuesday.
The 19-year old went down 6-3, 6-4 to 32-year-old American Lisa Raymond at the hard court event.
Raymond will face Switzerland's second seed Patty Schnyder in the second round.
Sania is also taking part in the doubles event. She and partner Liezel Huber of South Africa will face the Spanish pairing of Lourdes Dominguez Lino and Anabel Medina Garrigues in the first round on Wednesday.
