Ruben (ATP-114) tries to force a place on the main draw of the Rakuten Japan Open Tennis in Tokyo. He has to win two qualifying matches.
Ruben is facing sixth seed Bradley Klahn (ATP-95) from the United States in the first qualifying round. It will be the first encounter between our compatriot and the 28-year-old American.
If he wins, Ruben will face Martin Klizan (ATP-49) or Prajnesh Gunneswaran (ATP-164) in the decisive qualifying round.