Halle Open : Zverev Battles Past Koepfer In First Round

Third seed Alexander Zverev saw off fellow German Dominik Koepfer in three sets in the opening round of the Noventi Open, an ATP 500 Tournament.

Zverev, coming off a semi-finals appearance at Roland Garros, fired 29 winners en route to the 6-4 3-6 6-3 victory.

Zverev, a two-time finalist in Halle and who has yet to win a tournament on grass, next meets Frenchman Ugo humbert for a spot in the quarters.