title: Konstantin Gruber
text: # Konstantin Gruber
  
  Konstantin Gruber-Zamarripa (born 27 October 1979) is an Austrian former professional tennis player.
  
  Gruber, a native of Vienna, turned professional in 1999 and reached a career high singles ranking of 397 during his career. He made a Davis Cup appearance in 2003, when he beat Norway's Stian Boretti in Oslo to give Austria a 5–0 sweep of the tie. In 2004 he featured in the main draw of an ATP Tour tournament for the only time, at the 2004 BA-CA-TennisTrophy in Vienna, where he was beaten in the first round by Taylor Dent.
  
  ## ITF Futures titles
  
  ### Singles: (3)
  
  | No. | Date | Tournament | Surface | Opponent | Score |
  | - | - | - | - | - | - |
  | 1. | Jul 1999 | Austria F2, Telfs | Clay | Thomas Strengberger | 6–4, 6–4 |
  | 2. | Aug 1999 | Romania F2, Bacău | Clay | Fabrice Betencourt | 7–5, 6–2 |
  | 3. | Aug 2003 | Croatia F5, Zagreb | Clay | Vjekoslav Skenderović | 3–6, $7–6^{(5)},$ 6–4 |
  
  ### Doubles: (1)
  
  | No. | Date | Tournament | Surface | Partner | Opponents | Score |
  | - | - | - | - | - | - | - |
  | 1. | Sep 2003 | Slovakia F1, Žilina | Clay | Marko Neunteibl | Ladislav Chramosta David Novak | $7–6^{(3)},$ 6–1 |
  