Croatia Open: Muller advances to second round
Alexandre Muller beat Matteo Arnaldi 7-6 (8), 6-4 on Sunday evening and will face the winner of the match between Croat wildcard Mili Poljicak and Italian Lorenzo Sonego in the next round

Frenchman Alexandre Muller won against Italian Matteo Arnaldi, the No 8 seed, 7-6 (8), 6-4 to advance to the second round of the Croatia Open at the ITC Stella Maris in Umag.
Muller, ranked No 103, will play the winner of the match between Croat wildcard Mili Poljicak and Italian Lorenzo Sonego next.
Umag ATP 250, other first-round results (ITC Stella Maris, clay, EUR 579.320, most recent results first):
- Luca Van Assche vs. Fabio Fognini
- Luciano Darderi vs. Duje Ajdukovic
- Mili Poljicak vs. Lorenzo Sonego
- Enzo Couacaud vs. Matej Dodig
- Marco Trungelliti vs. Guido Andreozzi
- Filip Misolic vs. Dusan Lajovic
- Mariano Navone vs. Flavio Cobolli
- Jakub Mensik vs. Alexei Popyrin
- Thiago Monteiro vs. Tomas Machac
- Camilo Ugo Carabelli vs. Luka Mikrut
- Alexander Shevchenko vs. Fabian Marozsan: sunday