Ostapenko lost to Tatjana Maria in three sets — 6-4, 1-6, 2-6. The first two sets were played on Tuesday, while the decisive third set had to be postponed to Wednesday due to rain. In the Women's Tennis Association (WTA) rankings, Ostapenko is ranked 32nd and was seeded 30th at the US Open. Maria is ranked 83rd in the WTA and is not among the seeded players. Last year, Ostapenko reached the second round in New York, so she will lose ranking points and may drop several positions in the rankings. Earlier, the second-ranked Latvian player Daria Semenistaya also failed to advance past the first round, entering the main draw as a 'lucky loser' after losing in the final round of qualifying. Ostapenko will still compete in the women's doubles, where she is seeded fourth alongside Taiwanese player Hsieh Su-wei and will face Croatian players Daria Jurak-Schreiber and Antonija Ružič in the first round. The US Open, with a prize pool of $108 million, will run until September 13, when the men's singles final will take place.