Roger Federer will begin his bid to be the number one ranked player in the world against

The ABN AMRO World Tennis tournament is one close to the heart of the man from Switzerland, as he first appeared there as a junior.

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If Federer can deliver a semi-final or better performance in the tournament, he will leap over Rafael Nadal to be the oldest player in the Open Era to achieve the rank of number one in the world.

The 36-year-old’s campaign will begin against world number 116 Ruben Bemelmans from Belgium, who was a qualifier.

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Federer, the number one seed, will be looking to carry through the form he exhibited in Australia over the New Year period, as he claimed his sixth Aussie Open win.

In Rotterdam, potential opponents include Grigor Dimitrov, Tomas Berdych, and Alexander Zverev.

Regardless of future opponents down the road however, Federer will begin his assault on that number one position against the qualifier Bemelmans.