| Konstantin Gruber | |
| Fullname: | Konstantin Gruber-Zamarripa |
| Birth Date: | 27 October 1979 |
| Birth Place: | Vienna, Austria |
| Height: | 6 ft 0 in |
| Plays: | Right-handed |
| Careerprizemoney: | $41,782 |
| Singlesrecord: | 1–1 (ATP Tour & Davis Cup) |
| Highestsinglesranking: | No. 397 (28 Nov 2005) |
| Highestdoublesranking: | No. 582 (25 Oct 1999) |
Konstantin Gruber-Zamarripa (born 27 October 1979) is an Austrian former professional tennis player.[1]
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.[2] 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.[3]
| No. | Date | Tournament | Surface | Opponent | Score | |
|---|---|---|---|---|---|---|
| 1. | Austria F2, Telfs | Clay |  Thomas Strengberger | 6–4, 6–4 | ||
| 2. | Romania F2, Bacău | Clay |  Fabrice Betencourt | 7–5, 6–2 | ||
| 3. | Croatia F5, Zagreb | Clay | Vjekoslav Skenderović | 3–6, 7–6(5), 6–4 |