Florence Open: Karatsev makes second round

Russian Aslan Karatsev, the No 5 seed, advanced to the second round of the Florence Open when Dutchman Tallon Griekspoor retired at the Palazzo Wanny on Monday.

Karatsev, ranked No 39, led 6-3, 2-1 when Griekspoor, ranked No 54, pulled out.

The Russian will face the winner of the match between Dutch qualifier Tim van Rijthoven and Swede qualifier Mikael Ymer next.

Karatsev is ending a serie of five defeats on the Tour.

Florence ATP 250, other first-round matches (Palazzo Wanny, indoor, EUR 612.000) :

• Tim van Rijthoven vs. Mikael Ymer
• Alexander Bublik vs. Cristian Garin
• Mackenzie McDonald vs. Jenson Brooksby
• David Goffin vs. Francesco Passaro
• Lorenzo Sonego vs. Bernabe Zapata Miralles
• Richard Gasquet vs. Brandon Nakashima
• Marton Fucsovics vs. Oscar Otte
• Flavio Cobolli vs. Corentin Moutet
• Giulio Zeppieri vs. Altug Celikbilek
• J.J. Wolf vs. Francesco Maestrelli
• Daniel Elahi Galan vs. Roberto Carballes Baena