He beat german, alexander zverev in directly units, 6-1 6-3.
The match lasted simply 53 mins. The swiss ace lifted the trophy without losing a set all week.
The 35-yr-old swiss first reached the halle very last in 2003, beating german nicolas kiefer for the crown.
Federer will now go to wimbledon seeded third. The 1/3 grand slam of the yr will begin on three july and end sixteen july.
