As it happened: Roger Federer vs Alexander Zverev Gerry Weber Open Final

This is the third time that Federer has defeated a German player in the final of the Halle Open.

First non-hard court title for Federer this year and it will definitely be a good build up for Federer as the Wimbledon approaches.

And Federer avenges his defeat to Zverev last year by beating him in only 53 minutes. Ninth title at Halle for Roger Federer.

Zverev somehow manages to postpone Federer's celebrations by a few minutes by holding his serve. Federer to serve for the championship now.

Brilliant play from Federer again as he takes the game to lead 5-2. Zverev to serve to stay in the match.

Federer inches closer to his ninth Halle Open title as he produces the first break of this set. 4-2 to Federer now.

Federer continues to dazzle. Some brilliant play there by the Swiss as he restores his lead at 3-2.

Some good service and forehands being displayed by Zverev there as he saves a break point to hold his serve and level the second set at 2 games apiece.

The physio came in to check on Zverev but the German is back on his feet and ready to serve.

Zverev serves beautifully to take the second game and level the second set at 1-1. Still lots to be done for the German as Federer looks in pretty good nick at the moment.

Zverev gets his first break point of the match but can't convert it. Federer holds his nerve to take the opening game of the second set.

And Federer takes the first set 6-1. Zverev did well to save two set points from 0-40 but Federer was dominant in the end.

And Federer goes 5-1 up. Zverev will have to regroup if he is to stay in the first set.

So far, Federer has won all his first serve points.

Sascha avoids the bagel by holding his serve. Zverev's first serve has been brilliant so far but he will have to do a lot more if he is to outsmart Federer. 4-1 to Federer now.

And the Swiss maestro inches closer to the first set as he displays some elegant combination of both forehands and backhands to go 4-0 up

Do we have a bagel on the cards?

Federer's return so far has been phenomenal. Zverev tried hard but Federer edged him out to break his serve again and is leading 3-0.

Federer off to a fiery start as he holds his serve to 15 to take a 2-0 lead. An Early wake up call for the young German.

And Federer begins by breaking Zverev in the opening game of the match.

Federer has won the toss and Zverev will be serving first

The last time Federer and Zverev squared off at Halle was at the semi-finals last year where Zverev triumphed in three sets

This will be the second meeting between both players at Halle, their third meeting at ATP tournaments and their fourth meeting overall. Zverev currently leads the head to head 2-1

Talk about NextGen vs OldGen! One past Number One - and one player considered the future!

As it happened: Roger Federer vs Alexander Zverev Gerry Weber Open Final

Roger Federer beats Alexander Zverev 6-1, 6-3