Fifth-seeded Tommy Paul registered five aces on Thursday while cruising to a 6-1, 6-4 victory over South Korean Ji Sung Nam in the first round of the Delray Beach Open in Florida.
Paul will next face fellow American Sebastian Korda, who notched a 6-4, 6-4 victory over South Korea's Soon Woo Kwon. Sixth-seeded Sam Querrey also advanced, beating Mackenzie McDonald 6-3, 6-4 in a clash of Americans.
Italy's Gianluca Mager recorded a 3-6, 6-1, 6-4 victory over American wild-card Ryan Harrison, and Thiago Monteiro prevailed 6-3, 7-5 over fellow Brazilian Thomaz Bellucci.
Antalya Open
Second-seeded David Goffin of Belgium converted 70.8 percent of his first-serve points while posting a 3-6, 7-5, 6-0 triumph over France's Pierre-Hugues Herbert in a first-round match in Turkey.
Sixth-seeded Nikoloz Basilashvili of Georgia also moved on as he rallied for a 4-6, 7-5, 6-1 win over Italy's Andrea Arnaboldi. Another Italian, Stefano Travaglia, upset seventh-seeded Serb Miomir Kecmanovic 1-6, 6-4, 6-0.
No. 8 seed Alexander Bublik of Kazakhstan defeated Italy's Salvatore Caruso 6-3, 6-3. Finland's Emil Ruusuvuori beat Czech Republic's Jiri Vesely 6-3, 7-6 (4) and Turkey wild card Altug Celikbilek beat Poland's Kacper Zuk 7-6 (7), 7-5.
--Field Level Media