Hamburg Open: Cobolli through to second round
Flavio Cobolli defeated Vitaliy Sachko 5-7, 6-2, 6-2 on Tuesday. He’ll face the winner of the match between Spaniard Alejandro Davidovich Fokina, the No 5 seed, and Frenchman Gael Monfils in the next round

Italian Flavio Cobolli reached the second round of the Hamburg Open by winning against Ukrainian lucky loser Vitaliy Sachko 5-7, 6-2, 6-2 at Tennis Stadion on Tuesday.
Cobolli, ranked No 35, will play the winner of the match between Spaniard Alejandro Davidovich Fokina, the No 5 seed, and Frenchman Gael Monfils next.
Hamburg ATP 500, other first-round results (Tennis Stadion, clay, EUR 2.158.560, most recent results first):
- Daniel Altmaier vs. Felix Auger-Aliassime
- Alejandro Davidovich Fokina vs. Gael Monfils
- Giovanni Mpetshi Perricard vs. Alexander Bublik
- Yunchaokete Bu vs. Frances Tiafoe
- Sebastian Baez vs. Camilo Ugo Carabelli
- Tomas Martin Etcheverry vs. Francisco Comesana: tuesday
- Justin Engel (WC) beat Jan-Lennard Struff (WC): 7-6 (4), 7-6 (4)
- Alexander Zverev (1) beat Aleksandar Kovacevic (Q): 6-1, 7-6 (5)
- Jiri Lehecka beat Borna Gojo (Q): 6-4, 3-6, 6-2
- Alexandre Muller beat Elias Ymer (Q): 6-3, 7-5
- Andrey Rublev (3) beat Damir Dzumhur: 6-4, 6-3
- Roberto Bautista Agut beat Marcos Giron: 7-6 (5), 6-0
- Brandon Nakashima (7) beat Raphael Collignon (Q): 6-5 ret.
- Francisco Cerundolo (4) beat Pedro Martinez Portero: 6-2, 6-3
- Luciano Darderi beat Diego Dedura-Palomero (WC): 6-1, 6-4