Delray Beach Open: Tien moves into second round

American wildcard Learner Tien won against Australian Adam Walton 6-4, 6-3 to reach the second round of the Delray Beach Open at the Delray Beach Stadium and Tennis Center on Wednesday evening.

Tien, ranked No 82, will face No 4 seed Matteo Arnaldi next.

Delray Beach ATP 250, other first-round results (Delray Beach Stadium and Tennis Center, hard, USD 680.140, most recent results first):

• Reilly Opelka (WC) beat Christopher Eubanks: 6-3, 7-6 (7)
• Mackenzie McDonald (WC) beat Kei Nishikori: 7-6 (4), 4-6, 7-5
• Arthur Rinderknech (9) beat Dmitry Popko (LL): 6-2, 6-4
• Yunchaokete Bu beat Rinky Hijikata: 6-2, 6-0
• Alejandro Davidovich Fokina (8) beat Taro Daniel (LL): 6-2, 7-6 (2)
• Yoshihito Nishioka beat Aleksandar Vukic: 6-3, 6-4
• Brandon Nakashima (6) beat James Kent Trotter (Q): 7-6 (2), 6-1
• Michael Mmoh (Q) beat Alexander Shevchenko: 7-5, 7-6 (5)
• Ethan Quinn (LL) beat Tristan Boyer (Q): 6-2, 6-7 (5), 7-6 (2)
• Cameron Norrie beat Zachary Svajda (Q): 7-5, 6-4
• Miomir Kecmanovic (7) beat Borna Gojo: 6-4, 6-4