Next week Ruben (ATP-84) will be the top seed at the challenger tournament of Eckental (Germany). In the first round he will face a South African.
Ruben won the Eckental tournament in 2014. This year he starts as the top seed. In the first round he will face Lloyd Harris (ATP-215), earlier this year Ruben beat the South African in two sets in Yokohama.
Ruben (ATP D-259) is also playing doubles together with Denys Molchanov (ATP D-116), they meet Andre Begemann (ATP D-94) and Tim Puetz (ATP D-162) in the first round.