Dirk Dier (born 16 February 1972) is a former professional tennis player from Germany.

Career Dier, an under 12s and 14s national champion, was a semi finalist in the Orange Bowl.ATP World Tour Profile In 1990, he defeated Leander Paes to win the boys' singles event in the Australian Open and also finished runner-up in the juniors at Queen's that year. He appeared in the main draw of a Grand Slam for the first time at the 1990 Wimbledon Championships, where he lost in the opening round to countryman Michael Stich.

His other two Grand Slam appearances came in 1996. The German exited in the first round of the 1996 French Open, to Félix Mantilla in four sets, but reached the second round in the US Open, with a win over Chuck Adams. He then faced second seed Thomas Muster, who beat him in straight sets.ITF Tennis Profile

Dier made just one quarter-final during his career on the ATP Tour, which was in the 1996 Bermuda Open. En route he defeated two top 100 players, Michael Joyce and Nicolás Lapentti.

As of September 2019, he is the coach of Angelique Kerber.Coach of Kerber (in German)

Junior Grand Slam finals

Singles: 1 (1 title) ResultYearTournamentSurfaceOpponentScoreWin1990Australian OpenHard Leander Paes6–4, 7–6(7–4)

ATP Challenger and ITF Futures finals

Singles: 11 (5–6) LegendATP Challenger (5–6)ITF Futures (0–0)Finals by surfaceHard (0–0)Clay (4–4)Grass (0–0)Carpet (1–2)

ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0Seville, SpainChallengerClay Oliver Fernández6–3, 6–3Loss1–1Furth, GermanyChallengerClay Kris Goossens7–6, 3–6, 2–6Loss1–2Eisenach, GermanyChallengerClay Wojtek Kowalski6–7, 3–6Win2–2Seville, SpainChallengerClay Tati Rascón7–5, 6–2Loss2–3Guayaquil, EcuadorChallengerClay Kris Goossens4–6, 4–6Loss2–4Mallorca, SpainChallengerClay Dominik Hrbatý3–6, 2–6Loss2–5Lippstadt, GermanyChallengerCarpet Arne Thoms6–7, 3–6Win3–5Weiden, GermanyChallengerClay Tamer El Sawy7–6, 6–3Win4–5Lippstadt, GermanyChallengerCarpet Marzio Martelli7–6, 4–3 ret.Loss4–6Wolfsburg, GermanyChallengerCarpet Ivo Heuberger7–6, 4–6, 4–6Win5–6Dresden, GermanyChallengerClay Markus Hantschk0–6, 6–1, 6–4

Doubles: 16 (6–10) LegendATP Challenger (6–9)ITF Futures (0–1)Finals by surfaceHard (1–1)Clay (2–3)Grass (0–0)Carpet (3–6)

ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1Hong Kong, Hong KongChallengerHard Alexander Mronz Tommy Ho Shuzo Matsuoka3–2 ret.Loss0–2Wolfsburg, GermanyChallengerCarpet Lars Koslowski Martin Sinner Joost Winnink5–7, 3–6Win1–2Jerusalem, IsraelChallengerHard Christian Saceanu Lionel Barthez Patrick Baur7–6, 7–6Win2–2Weiden, GermanyChallengerClay Lars Koslowski Brent Larkham Emilio Benfele Álvarez6–3, 6–3Win3–2Eisenach, GermanyChallengerClay Lars Koslowski Sébastien Leblanc Chris Woodruff3–6, 6–3, 7–6Win4–2Wolfsburg, GermanyChallengerCarpet Arne Thoms Jim Pugh Joost Winnink6–4, 6–4Loss4–3Bad Lippspringe, GermanyChallengerCarpet Lars Koslowski Tuomas Ketola Michael Kohlmann6–4, 3–6, 5–7Loss4–4Ulm, GermanyChallengerClay Michael Kohlmann Márcio Carlsson Jaime Oncins4–6, 7–6, 3–6Loss4–5Wolfsburg, GermanyChallengerCarpet Karsten Braasch Adriano Ferreira Maurice RuahwalkoverLoss4–6Magdeburg, GermanyChallengerCarpet Jan-Ralph Brandt Michael Hill Andrew Painter6–7, 7–6, 6–7Loss4–7Eisenach, GermanyChallengerClay Marcus Hilpert Mitch Sprengelmeyer Jason Weir-Smith3–6, 1–6Loss4–8Ulm, GermanyChallengerClay Michael Kohlmann Andrew Painter Byron Talbot3–6, 4–6Win5–8Nümbrecht, GermanyChallengerCarpet Jens Knippschild Andreas Tattermusch Andreas Weber6–3, 7–5Loss5–9Lübeck, GermanyChallengerCarpet Karsten Braasch Giorgio Galimberti Diego Nargiso4–6, 4–6Win6–9Magdeburg, GermanyChallengerCarpet Karsten Braasch Tomas Behrend Michael Kohlmann7–5, 7–6(8–6)Loss6–10France F21, ForbachFuturesCarpet Bjorn Jacob Matthias A. Muller Andreas Tattermusch3–6, 6–7(4–7)

Performance timeline

Singles Tournament19891990199119921993199419951996199719981999SRW–LWin %Grand Slam tournamentsAustralian OpenQ2AAAAAAAAQ1Q20 / 00–0French OpenAAAAQ1Q3A1RQ3Q1Q10 / 10–1WimbledonA1RAAQ2AAAAAA0 / 10–1US OpenAAAAAAA2RQ3AA0 / 11–1Win–loss0–00–10–00–00–00–00–01–20–00–00–00 / 31–3ATP Masters SeriesIndian WellsAAAAAQ3AQ1AAA0 / 00–0MiamiAAAAAAA1RQ1AA0 / 10–1Monte CarloAAAAQ2Q2Q2AAAA0 / 00–0HamburgAAAA2RQ3AAQ1Q2A0 / 11–1ParisAAAAAQ1AQ1AAA0 / 00–0Win–loss0–00–00–00–01–10–00–00–10–00–00–00 / 21–2

References

External links