# Daniel Vacek

Daniel Vacek (born 1 April 1971) is a former tennis player from Czechoslovakia and the Czech Republic who turned professional in 1990. He reached the quarterfinals of the 1995 Paris Masters, the 1998 Canada Masters and the 1998 Cincinnati Masters, and achieved a career-high singles ranking of world No. 26 in January 1996.
Vacek represented his native country at the 1996 Summer Olympics in Atlanta where he was defeated in the second round. The right-hander won 25 career titles in doubles with various partners, including the French Open in 1996 and 1997, and the US Open in 1997 with Yevgeny Kafelnikov.

## ATP career finals
### Doubles (25 titles, 15 runner-ups)

* Legend
* Grand Slam (3)
* Tennis Masters Cup (0)
* ATP Masters Series (1)
* ATP International Series Gold (5)
* ATP Tour (16)
* Titles by surface
* Hard (10)
* Clay (10)
* Grass (0)
* Carpet (5)
| Result | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Win | 1. | 1990 | Umag, Yugoslavia | Clay | Vojtěch Flégl | Andrei Cherkasov Andrei Olhovskiy | 6–4, 6–4 |
| Win | 2. | 1990 | Prague, Czechoslovakia | Clay | Vojtěch Flégl | George Cosac Florin Segărceanu | 5–7, 6–4, 6–3 |
| Win | 3. | 1990 | San Marino | Clay | Vojtěch Flégl | Jordi Burillo Marcos Aurelio Górriz | 6–1, 4–6, 7–6 |
| Loss | 1. | 1991 | Prague, Czechoslovakia | Clay | Libor Pimek | Vojtěch Flégl Cyril Suk | 4–6, 2–6 |
| Loss | 2. | 1991 | Berlin, Germany | Carpet (i) | Jan Siemerink | Petr Korda Karel Nováček | 6–3, 5–7, 5–7 |
| Loss | 3. | 1992 | Wellington, New Zealand | Hard | Michiel Schapers | Jared Palmer Jonathan Stark | 3–6, 3–6 |
| Loss | 4. | 1993 | Copenhagen, Denmark | Carpet (i) | Martin Damm | David Adams Andrei Olhovskiy | 3–6, 6–3, 3–6 |
| Win | 4. | 1993 | New Haven, United States | Hard | Cyril Suk | Steve DeVries David Macpherson | 7–5, 6–4 |
| Win | 5. | 1994 | Marseille, France | Carpet (i) | Jan Siemerink | Martin Damm Yevgeny Kafelnikov | 6–7, 6–4, 6–1 |
| Loss | 5. | 1994 | Monte Carlo, Monaco | Clay | Yevgeny Kafelnikov | Nicklas Kulti Magnus Larsson | 6–3, 6–7, 4–6 |
| Loss | 6. | 1994 | Gstaad, Switzerland | Clay | Menno Oosting | Sergio Casal Emilio Sánchez | 6–7, 4–6 |
| Win | 6. | 1994 | Toulouse, France | Hard (i) | Menno Oosting | Patrick McEnroe Jared Palmer | 7–6, 6–7, 6–3 |
| Loss | 7. | 1995 | Stuttgart Indoor, Germany | Carpet (i) | Cyril Suk | Grant Connell Patrick Galbraith | 2–6, 2–6 |
| Win | 7. | 1995 | Nice, France | Clay | Cyril Suk | Luke Jensen David Wheaton | 3–6, 7–6, 7–6 |
| Win | 8. | 1995 | Rome, Italy | Clay | Cyril Suk | Jan Apell Jonas Björkman | 6–3, 6–4 |
| Win | 9. | 1995 | Long Island, United States | Hard | Cyril Suk | Rick Leach Scott Melville | 5–7, 7–6, 7–6 |
| Loss | 8. | 1995 | Bucharest, Romania | Clay | Cyril Suk | Mark Keil Jeff Tarango | 4–6, 6–7 |
| Win | 10. | 1995 | Basel, Switzerland | Hard (i) | Cyril Suk | Mark Keil Peter Nyborg | 3–6, 6–3, 6–3 |
| Loss | 9. | 1995 | Essen, Germany | Carpet (i) | Cyril Suk | Jacco Eltingh Paul Haarhuis | 5–7, 4–6 |
| Win | 11. | 1996 | Prague, Czech Republic | Clay | Yevgeny Kafelnikov | Luis Lobo Javier Sánchez | 6–3, 6–7, 6–3 |
| Win | 12. | 1996 | French Open, Paris | Clay | Yevgeny Kafelnikov | Jakob Hlasek Guy Forget | 6–2, 6–3 |
| Loss | 10. | 1996 | Halle, Germany | Grass | Yevgeny Kafelnikov | Byron Black Grant Connell | 1–6, 5–7 |
| Win | 13. | 1996 | Basel, Switzerland | Hard (i) | Yevgeny Kafelnikov | David Adams Menno Oosting | 6–3, 6–4 |
| Win | 14. | 1996 | Vienna, Austria | Carpet (i) | Yevgeny Kafelnikov | Pavel Vízner Menno Oosting | 7–6, 6–4 |
| Loss | 11. | 1996 | Paris Masters, France | Carpet (i) | Yevgeny Kafelnikov | Jacco Eltingh Paul Haarhuis | 4–6, 6–4, 6–7 |
| Loss | 12. | 1997 | St. Petersburg, Russia | Carpet (i) | David Prinosil | Andrei Olhovskiy Brett Steven | 4–6, 3–6 |
| Win | 15. | 1997 | Hong Kong | Hard | Martin Damm | Karsten Braasch Jeff Tarango | 6–3, 6–4 |
| Win | 16. | 1997 | Tokyo, Japan | Hard | Martin Damm | Justin Gimelstob Patrick Rafter | 2–6, 6–2, 7–6 |
| Win | 17. | 1997 | French Open, Paris | Clay | Yevgeny Kafelnikov | Todd Woodbridge Mark Woodforde | 7–6$^{(14–12)}$, 4–6, 6–3 |
| Win | 18. | 1997 | Gstaad, Switzerland | Clay | Yevgeny Kafelnikov | Trevor Kronemann David Macpherson | 4–6, 7–6, 6–3 |
| Win | 19. | 1997 | US Open, New York | Hard | Yevgeny Kafelnikov | Jonas Björkman Nicklas Kulti | 7–6, 6–3 |
| Loss | 13. | 1998 | London, England | Carpet (i) | Yevgeny Kafelnikov | Martin Damm Jim Grabb | 4–6, 5–7 |
| Loss | 14. | 1998 | Los Angeles, United States | Hard | Jeff Tarango | Patrick Rafter Sandon Stolle | 4–6, 4–6 |
| Win | 20. | 1998 | Vienna, Austria | Carpet (i) | Yevgeny Kafelnikov | David Adams John-Laffnie de Jager | 7–5, 6–3 |
| Loss | 15. | 1998 | Moscow, Russia | Carpet (i) | Yevgeny Kafelnikov | Jared Palmer Jeff Tarango | 4–6, 7–6, 2–6 |
| Win | 21. | 1999 | Auckland, New Zealand | Hard | Jeff Tarango | Jiří Novák David Rikl | 7–5, 7–5 |
| Win | 22. | 1999 | St. Petersburg, Russia | Carpet (i) | Jeff Tarango | Menno Oosting Andrei Pavel | 3–6, 6–3, 7–5 |
| Win | 23. | 1999 | Tokyo, Japan | Hard | Jeff Tarango | Wayne Black Brian MacPhie | 4–3 ret. |
| Win | 24. | 1999 | Moscow, Russia | Carpet (i) | Justin Gimelstob | Andriy Medvedev Marat Safin | 6–2, 6–1 |
| Win | 25. | 2002 | Barcelona, Spain | Clay | Michael Hill | Lucas Arnold Ker Gastón Etlis | 6–4, 6–4 |

## Doubles performance timeline

Key :
| W | F | SF | QF | #R | RR | Q# | DNQ | A | NH |
| Tournament | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | Career SR | Career win–loss |
| Grand Slam tournaments ||||||||||||||||||
| Australian Open | A | A | 1R | 2R | 1R | 2R | 2R | 3R | A | 1R | QF | 1R | A | 3R | A | 0 / 10 | 10–10 |
| French Open | A | A | 2R | 1R | A | A | 2R | W | W | 2R | QF | A | A | 1R | 1R | 2 / 9 | 18–7 |
| Wimbledon | A | A | 2R | 2R | 2R | 1R | 1R | 1R | 1R | 3R | 1R | A | A | 1R | 1R | 0 / 11 | 5–11 |
| US Open | A | A | 1R | 1R | 1R | 1R | 2R | 1R | W | 2R | 1R | A | 1R | A | A | 1 / 10 | 8–9 |
| Grand Slam SR | 0 / 0 | 0 / 0 | 0 / 4 | 0 / 4 | 0 / 3 | 0 / 3 | 0 / 4 | 1 / 4 | 2 / 3 | 0 / 4 | 0 / 4 | 0 / 1 | 0 / 1 | 0 / 3 | 0 / 2 | 3 / 40 | N/A |
| Annual win–loss | 0–0 | 0–0 | 2–4 | 2–4 | 1–3 | 1–3 | 3–4 | 8–3 | 12–1 | 4–4 | 6–4 | 0–1 | 0–1 | 2–3 | 0–2 | N/A | 41–37 |
| Masters Series ||||||||||||||||||
| Indian Wells | NME | A | A | A | A | A | A | A | A | QF | 1R | 2R | A | A | A | 0 / 3 | 2–3 |
| Miami | NME | A | A | A | A | SF | 2R | A | A | QF | 2R | 3R | A | 1R | A | 0 / 6 | 7–6 |
| Monte Carlo | NME | A | A | A | A | F | 1R | 1R | SF | 2R | QF | 1R | A | A | A | 0 / 7 | 8–7 |
| Rome | NME | A | A | A | A | 2R | W | 1R | 2R | QF | 2R | 1R | A | 2R | A | 1 / 8 | 11–7 |
| Hamburg | NME | A | A | A | A | 2R | 1R | QF | A | A | QF | 1R | A | 2R | A | 0 / 6 | 6–6 |
| Canada | NME | A | A | A | A | A | 2R | 1R | QF | 2R | 1R | A | QF | 1R | A | 0 / 7 | 4–7 |
| Cincinnati | NME | A | A | A | A | QF | 1R | 2R | 2R | SF | 2R | A | A | 1R | A | 0 / 7 | 5–7 |
| Madrid (Stuttgart) | NME | A | A | A | A | 2R | F | 2R | 2R | QF | 2R | A | A | A | A | 0 / 6 | 5–6 |
| Paris | NME | A | A | A | A | QF | 2R | F | 2R | 2R | QF | A | A | A | A | 0 / 6 | 8–6 |
| Masters Series SR | N/A | 0 / 0 | 0 / 0 | 0 / 0 | 0 / 0 | 0 / 7 | 1 / 8 | 0 / 7 | 0 / 6 | 0 / 8 | 0 / 9 | 0 / 5 | 0 / 1 | 0 / 5 | 0 / 0 | 1 / 56 | N/A |
| Annual win–loss | N/A | 0–0 | 0–0 | 0–0 | 0–0 | 13–7 | 7–7 | 5–7 | 4–6 | 10–8 | 9–9 | 3–5 | 2–1 | 2–5 | 0–0 | N/A | 56–55 |
| Year-end ranking | 325 | 103 | 54 | 160 | 58 | 21 | 11 | 8 | 5 | 26 | 20 | 143 | 113 | 65 | 1204 | N/A | N/A |