Hamburg Open: Gaston battles past Diaz Acosta to move into second round

Frenchman Hugo Gaston edged out Argentinian Facundo Diaz Acosta 7-6 (4), 1-6, 6-4 to reach the second round of the Hamburg Open at the Rothenbaum Tennis Center.

Gaston, ranked No 81, will play the winner of the match between German Alexander Zverev, the top seed, and Dutch qualifier Jesper De Jong next.

Hamburg ATP 500, other first-round results (Rothenbaum Tennis Center, clay, EUR 1.891.995, most recent results first):

• Alexander Zverev vs. Jesper De Jong
• Holger Rune (2) beat Fabian Marozsan: 6-4, 6-4
• Sebastian Baez (3) beat Dominik Koepfer: 6-2, 6-3
• Marco Trungelliti (Q) beat Sebastian Ofner: 6-1, 4-3 ret.
• Zhizhen Zhang (8) beat Thiago Seyboth Wild: 7-6 (6), 6-0
• Dusan Lajovic beat Felipe Meligeni Alves (Q): 6-2, 6-7 (5), 6-3
• Arthur Fils (5) beat Jaume Munar: 5-7, 6-3, 6-1
• Luciano Darderi (7) beat Nick Hardt (LL): 6-1, 2-6, 6-0
• Pedro Martinez beat Matteo Arnaldi (6): 7-6 (4), 6-1
• Francisco Cerundolo (4) beat Francisco Comesana (LL): 7-5, 6-4
• Alexander Shevchenko beat Rudolf Molleker (WC): 6-4, 4-6, 6-4
• Laslo Djere beat Zizou Bergs: 6-3, 7-6 (4)
• Maximilian Marterer (WC) beat SoonWoo Kwon: 6-4, 6-7 (6), 7-5
• Ugo Blanchet (Q) beat Alexei Popyrin: 4-6, 7-6 (6), 6-2
• Flavio Cobolli beat Daniel Altmaier: 6-4, 6-7 (6), 6-3