Dallas Open: Altmaier makes second round, Isner next

German Daniel Altmaier reached the second round of the Dallas Open by defeating American qualifier Zachary Svajda 6-2, 6-4 at the Styslinger/Altec Tennis Complex on Wednesday.

Altmaier, ranked No 99, will face American John Isner, the No 5 seed, next.

Dallas ATP250, other first-round results (Styslinger/Altec Tennis Complex, hard, USD 737.170, most recent results first):

• Oscar Otte vs. Christopher Eubanks
• Emilio Gomez vs. Gabriel Diallo: wednesday
• John Isner beat Chun-Hsin Tseng: 7-6 (5), 7-6 (1)
• Yibing Wu beat Michael Mmoh: 6-3, 3-6, 6-3
• Radu Albot beat Liam Krall (WC): 2-6, 6-4, 6-2
• J.J. Wolf (6) beat Brandon Holt (Q): 6-3, 6-3
• Adrian Mannarino (8) beat Steve Johnson: 7-6 (6), 6-2
• Jordan Thompson beat Denis Kudla: 6-1, 7-5
• Mackenzie McDonald beat Fernando Verdasco (Q): 6-3, 6-0
• Marcos Giron (7) beat Alex Rybakov (Q): 6-4, 6-7 (1), 6-1
• Jack Sock (WC) beat Ilya Ivashka: 7-6 (2), 4-6, 6-4