Hamburg Open: Kwon falls in opening round

German wildcard Maximilian Marterer moved into the second round of the Hamburg Open by edging out SoonWoo Kwon 6-4, 6-7 (6), 7-5 at the Rothenbaum Tennis Center on Monday afternoon.

Marterer, ranked No 108, will face No 4 seed Francisco Cerundolo next.

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

• Francisco Cerundolo beat Francisco Comesana (LL): 7-5, 6-4
• Alexander Shevchenko beat Rudolf Molleker (WC): 6-4, 4-6, 6-4, 6-4
• Laslo Djere beat Zizou Bergs: 6-3, 7-6 (4)
• 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
• Alexander Zverev vs. Jesper De Jong
• Fabian Marozsan vs. Holger Rune
• Facundo Diaz Acosta vs. Hugo Gaston
• Dominik Koepfer vs. Sebastian Baez
• Marco Trungelliti vs. Sebastian Ofner
• Thiago Seyboth Wild vs. Zhizhen Zhang
• Felipe Meligeni Alves vs. Dusan Lajovic
• Arthur Fils vs. Jaume Munar
• Luciano Darderi vs. Lorenzo Sonego
• Pedro Martinez vs. Matteo Arnaldi