Towering American Reilly Opelka and former US Open finalist Vera Zvonareva lead the list of main-draw wild cards for this week's Oracle Challenger Series – Indian Wells.

The Oracle Challenger Series gets underway today, Saturday, February 24th, at the Indian Wells Tennis Garden with first-round qualifying matches. Main draw matches are scheduled to begin on Monday, February 26th.

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Men's main-draw wild cards were awarded to Noah Rubin, Australian Open boys' champion Sebastian Korda, Evan King and Opelka.

Zvonareva leads the list of women's wild-card recipients that includes Danielle Collins, Caroline Dolehide and Ashley Kratzer.

The tournament in Indian Wells is the second event of the Oracle Challenger Series.

The first event was played on January 20-28th at the Newport Beach Tennis Club in Newport Beach, CA.

Taylor Fritz of Palos Verdes, Calif., captured the men’s singles title with a 3-6, 7-5, 6-0 victory over fellow American Bradley Klahn in the final.

Former two-time NCAA singles champion Danielle Collins of St. Petersburg, Fla., defeated Sofya Zhuk of Russia 2-6, 6-4, 6-3 in the women’s singles final.

The top two male and female Americans with the highest accumulated points in the Oracle Challenger Series will be awarded wild cards in their respective singles main draws at the 2018 BNP Paribas Open, held March 5-18 at the Indian Wells Tennis Garden.

Admission and on-site parking for spectators is free for each day of the event.