In the Delray Beach Open by VITACOST.com Round of 32 on Tuesday, No. 93-ranked Adam Walton meets No. 39 Gabriel Diallo. Diallo is the favorite (-300) in this matchup, compared to the underdog Walton, who is +225. Delray Beach Open by VITACOST.com Info Tournament: The Delray Beach Open by VITACOST.com Round: Round of 32 Date: Tuesday, February 17 Venue: Delray Beach Tennis Center Location: Delray Beach, Florida Court Surface: Hard