Daniel Altmaier - ATP #52 (2026-03-16)
| atpworldtour.com | ATP | Country |  Germany |
| Wikipedia | Eng / Fr | Birth | - |
| Career best ranking | 46 - 2023-10-16 | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Clay | 9 | 11 | 45.00% |
| Hard (out.) | 5 | 13 | 27.78% |
| Hard (in.) | 4 | 4 | 50.00% |
| Grass | 1 | 3 | 25.00% |
| TOTAL | 19 | 31 | 38.00% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2026-05-24 | GS |  Roland Garros | Clay | 64e | #52 |  #7 Felix Auger-Aliassime | ||
| 2 | 2026-05-18 | 500 | Hamburg European Open | Clay | QF | #52 |  #22 Tommy Paul | 6/2 7/5 | |
| 3 | 2026-05-18 | 500 | Hamburg European Open | Clay | 8e | #52 | #8 Ben Shelton | 4/6 7/6(4) 6/4 | |
| 4 | 2026-05-18 | 500 | Hamburg European Open | Clay | 16e | #52 |  #95 Rinky Hijikata | 7/5 6/2 | |
| 5 | 2026-05-04 | 1000 |  Masters de Rome | Clay | 32e | #52 | #3 Alexander Zverev | 7/5 6/3 | |
| 6 | 2026-05-04 | 1000 | Masters de Rome | Clay | 64e | #52 |  #239 Zhizhen Zhang | 4/6 7/6(3) 6/4 | |
| 7 | 2026-04-20 | 1000 |  Masters de Madrid | Clay | 64e | #52 |  #65 Juan Manuel Cerundolo | 6/4 6/4 | |
| 8 | 2026-04-13 | 500 | Munich Open | Clay | 8e | #52 |  #194 Alex Molcan | 6/4 7/6(10) | |
| 9 | 2026-04-13 | 500 | Munich Open | Clay | 16e | #52 |  #55 Marin Cilic | 6/2 6/3 | |
| 10 | 2026-04-06 | 1000 |  Monte-Carlo Masters | Clay | 32e | #52 |  #54 Tomas Machac | 6/4 1/6 6/3 | |
| 11 | 2026-03-30 | 250 |  Open de Roumanie | Clay | QF | #52 |  #44 Fabian Marozsan | 6/2 7/6(5) | |
| 12 | 2026-03-30 | 250 | Open de Roumanie | Clay | 8e | #52 | #106 Dino Prizmic | 3/6 7/6(1) 7/6(7) | |
| 13 | 2026-03-30 | 250 | Open de Roumanie | Clay | 16e | #52 | #110 Pedro Martinez | 6/1 6/4 | |
| 14 | 2026-03-16 | 1000 | Miami Masters | Hard (out.) | 64e | #52 | #49 Terence Atmane | 6/4 6/2 | |
| 15 | 2026-03-02 | 1000 | Indian Wells Masters | Hard (out.) | 64e | #52 |  #81 Miomir Kecmanovic | 6/3 1/0 ret. | |
| 16 | 2026-02-23 | 500 |  Mexican Open | Hard (out.) | 16e | #52 | #13 Alejandro Davidovich Fokina | 7/5 6/3 | |
| 17 | 2026-02-16 | 500 |  Rio Open | Clay | 16e | #52 | #128 Dusan Lajovic | 6/4 7/6(7) | |
| 18 | 2026-01-18 | GS | Australian Open | Hard (out.) | 64e | #46 | #75 Marin Cilic | 6/0 6/0 7/6(3) | |
| 19 | 2026-01-12 | 250 | Adelaide International 1 | Hard (out.) | 16e | #46 | #36 Jaume Munar | 6/3 6/0 | |
| 20 | 2026-01-05 | 250 | Brisbane Open | Hard (out.) | 16e | #46 |  #64 Kamil Majchrzak | 6/7(4) 0/6 | |
| 21 | 2025-11-03 | 250 | Open de Moselle | Hard (in.) | QF | #51 | #47 Lorenzo Sonego | 6/4 7/6(6) | |
| 22 | 2025-11-03 | 250 | Open de Moselle | Hard (in.) | 8e | #51 | #97 Hugo Gaston | 6/4 0/6 ret. | |
| 23 | 2025-11-03 | 250 | Open de Moselle | Hard (in.) | 16e | #51 | #28 Arthur Rinderknech | 6/4 6/4 | |
| 24 | 2025-10-27 | 1000 | Masters de Paris-Bercy | Hard (in.) | 8e | #51 | #13 Felix Auger-Aliassime | 3/6 6/3 6/2 | |
| 25 | 2025-10-27 | 1000 | Masters de Paris-Bercy | Hard (in.) | 16e | #51 |  #12 Casper Ruud | 6/3 7/5 | |
| 26 | 2025-10-27 | 1000 | Masters de Paris-Bercy | Hard (in.) | 32e | #51 | #54 Marcos Giron | 6/2 7/6(5) | |
| 27 | 2025-10-20 | 500 |  Vienna Open | Hard (in.) | 16e | #51 | #2 Jannik Sinner | 6/0 6/2 | |
| 28 | 2025-10-13 | 250 |  Bruxelles Open | Hard (in.) | 16e | #58 | #10000 Gilles Arnaud Bailly | 6/4 6/7(10) 6/3 | |
| 29 | 2025-09-29 | 1000 | Shanghai Masters | Hard (out.) | 32e | #58 | #2 Jannik Sinner | 6/3 6/3 | |
| 30 | 2025-09-29 | 1000 | Shanghai Masters | Hard (out.) | 64e | #58 | #100 Tristan Schoolkate | 6/3 6/4 | |
| 31 | 2025-09-22 | 500 |  Japan Open | Hard (out.) | 8e | #58 | #92 Aleksandar Vukic | 6/4 6/2 | |
| 32 | 2025-09-22 | 500 | Japan Open | Hard (out.) | 16e | #58 | #27 Denis Shapovalov | 7/5 6/3 | |
| 33 | 2025-08-25 | GS | US Open | Hard (out.) | 16e | #60 | #8 Alex De Minaur | 6/7(0) 6/3 6/4 2/0 ret. | |
| 34 | 2025-08-25 | GS | US Open | Hard (out.) | 32e | #60 |  #29 Stefanos Tsitsipas | 7/6(5) 1/6 4/6 6/3 7/5 | |
| 35 | 2025-08-25 | GS | US Open | Hard (out.) | 64e | #60 | #72 Hamad Medjedovic | 7/5 6/7(3) 7/6(7) 6/7(5) 6/4 | |
| 36 | 2025-08-04 | 1000 | Cincinnati Masters | Hard (out.) | 64e | #59 | #49 Roberto Bautista Agut | 7/6(5) 7/6(1) | |
| 37 | 2025-07-27 | 1000 | Rogers Cup - Canada | Hard (out.) | 64e | #59 | #167 Yosuke Watanuki | 3/6 6/1 6/4 | |
| 38 | 2025-07-21 | 500 | Washington Open | Hard (out.) | 32e | #59 | #41 Matteo Arnaldi | 4/6 6/2 7/6(2) | |
| 39 | 2025-07-14 | 250 | Los Cabos Open | Hard (out.) | 8e | #59 | #103 Tristan Schoolkate | 6/3 6/4 | |
| 40 | 2025-07-14 | 250 | Los Cabos Open | Hard (out.) | 16e | #59 | #158 Mitchell Krueger | 6/4 6/3 | |
| 41 | 2025-06-30 | GS |  Wimbledon | Grass | 64e | #57 | #41 Gabriel Diallo | 6/1 6/2 6/4 | |
| 42 | 2025-06-23 | 250 | Mallorca Open | Grass | 8e | #56 | #88 Corentin Moutet | 7/6(3) 7/6(3) | |
| 43 | 2025-06-23 | 250 | Mallorca Open | Grass | 16e | #56 | #127 Fabio Fognini | 6/3 3/6 6/3 | |
| 44 | 2025-06-16 | 500 | Open de Halle | Grass | 16e | #51 |  #10 Daniil Medvedev | 6/3 6/3 | |
| 45 | 2025-05-25 | GS | Roland Garros | Clay | 8e | #66 | #15 Frances Tiafoe | 6/3 6/4 7/6(4) | |
| 46 | 2025-05-25 | GS | Roland Garros | Clay | 16e | #66 | #73 Hamad Medjedovic | 4/6 6/3 6/3 6/2 | |
| 47 | 2025-05-25 | GS | Roland Garros | Clay | 32e | #66 | #88 Vit Kopriva | 6/2 4/6 6/3 7/5 | |
| 48 | 2025-05-25 | GS | Roland Garros | Clay | 64e | #66 | #4 Taylor Fritz | 7/5 3/6 6/3 6/1 | |
| 49 | 2025-05-19 | 500 | Hamburg European Open | Clay | 16e | #66 | #28 Felix Auger-Aliassime | 6/3 6/3 | |
| 50 | 2025-05-07 | 1000 | Masters de Rome | Clay | 64e | #68 | #74 Francisco Comesana | 6/1 7/5 |
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