Daniel Altmaier - ATP #59 (2025-06-30)
| atpworldtour.com | ATP | Country |  Germany |
| Wikipedia | Eng / Fr | Birth | - |
| Career best ranking | 46 - 2023-10-16 | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Grass | 2 | 4 | 33.33% |
| Clay | 10 | 15 | 40.00% |
| Hard (out.) | 2 | 5 | 28.57% |
| Hard (in.) | 6 | 6 | 50.00% |
| TOTAL | 20 | 30 | 40.00% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-06-30 | GS |  Wimbledon | Grass | 64e | #57 |  #41 Gabriel Diallo | ||
| 2 | 2025-06-23 | 250 |  Mallorca Open | Grass | 8e | #56 |  #88 Corentin Moutet | 7/6(3) 7/6(3) | |
| 3 | 2025-06-23 | 250 | Mallorca Open | Grass | 16e | #56 |  #127 Fabio Fognini | 6/3 3/6 6/3 | |
| 4 | 2025-06-16 | 500 | Open de Halle | Grass | 16e | #51 |  #10 Daniil Medvedev | 6/3 6/3 | |
| 5 | 2025-05-25 | GS | Roland Garros | Clay | 8e | #66 |  #15 Frances Tiafoe | 6/3 6/4 7/6(4) | |
| 6 | 2025-05-25 | GS | Roland Garros | Clay | 16e | #66 |  #73 Hamad Medjedovic | 4/6 6/3 6/3 6/2 | |
| 7 | 2025-05-25 | GS | Roland Garros | Clay | 32e | #66 |  #88 Vit Kopriva | 6/2 4/6 6/3 7/5 | |
| 8 | 2025-05-25 | GS | Roland Garros | Clay | 64e | #66 | #4 Taylor Fritz | 7/5 3/6 6/3 6/1 | |
| 9 | 2025-05-19 | 500 | Hamburg European Open | Clay | 16e | #66 | #28 Felix Auger-Aliassime | 6/3 6/3 | |
| 10 | 2025-05-07 | 1000 | Masters de Rome | Clay | 64e | #68 |  #74 Francisco Comesana | 6/1 7/5 | |
| 11 | 2025-04-21 | 1000 | Masters de Madrid | Clay | 64e | #68 |  #56 Nicolas Jarry | 6/3 6/2 | |
| 12 | 2025-04-14 | 500 | Munich Open | Clay | 8e | #83 | #2 Alexander Zverev | 6/3 6/2 | |
| 13 | 2025-04-14 | 500 | Munich Open | Clay | 16e | #83 |  #101 Chun-Hsin Tseng | 7/6(5) 7/6(5) | |
| 14 | 2025-04-07 | 1000 |  Monte-Carlo Masters | Clay | 8e | #83 | #3 Carlos Alcaraz | 6/3 6/1 | |
| 15 | 2025-04-07 | 1000 | Monte-Carlo Masters | Clay | 16e | #83 | #144 Richard Gasquet | 7/5 5/7 6/2 | |
| 16 | 2025-04-07 | 1000 | Monte-Carlo Masters | Clay | 32e | #83 | #18 Felix Auger-Aliassime | 7/6(5) 6/3 | |
| 17 | 2025-03-31 | 250 |  Grand-Prix Hassan II | Clay | 16e | #81 |  #132 Otto Virtanen | 6/2 4/6 7/6(3) | |
| 18 | 2025-03-19 | 1000 | Miami Masters | Hard (out.) | 64e | #81 |  #193 Coleman Wong | 6/4 6/3 | |
| 19 | 2025-02-24 | 500 |  Mexican Open | Hard (out.) | 8e | #73 | #24 Tomas Machac | 7/6(3) 6/1 | |
| 20 | 2025-02-24 | 500 | Mexican Open | Hard (out.) | 16e | #73 | #41 Miomir Kecmanovic | 4/6 6/4 6/3 | |
| 21 | 2025-02-10 | 250 | Open 13 | Hard (in.) | QF | #91 | #93 Hamad Medjedovic | 7/5 6/7(7) 6/4 | |
| 22 | 2025-02-10 | 250 | Open 13 | Hard (in.) | 8e | #91 | #95 Otto Virtanen | 6/4 6/3 | |
| 23 | 2025-02-10 | 250 | Open 13 | Hard (in.) | 16e | #91 | #81 Luca Nardi | 6/2 6/2 | |
| 24 | 2025-02-03 | 500 |  Rotterdam Open | Hard (in.) | QF | #91 |  #8 Alex De Minaur | 6/1 6/4 | |
| 25 | 2025-02-03 | 500 | Rotterdam Open | Hard (in.) | 8e | #91 | #19 Arthur Fils | 6/4 3/6 7/5 | |
| 26 | 2025-02-03 | 500 | Rotterdam Open | Hard (in.) | 16e | #91 | #100 Aleksandar Kovacevic | 1/6 6/4 6/3 | |
| 27 | 2025-01-27 | 250 | Open Sud de France | Hard (in.) | 16e | #91 |  #71 Bu Yunchaokete | 7/6(1) 6/3 | |
| 28 | 2025-01-12 | GS | Australian Open | Hard (out.) | 32e | #87 | #55 Gael Monfils | 7/5 6/3 7/6(3) | |
| 29 | 2025-01-12 | GS | Australian Open | Hard (out.) | 64e | #87 | #101 Francisco Comesana | 6/2 3/6 7/6(4) 4/6 6/4 | |
| 30 | 2025-01-06 | 250 |  Auckland Open | Hard (out.) | 16e | #87 | #57 Roberto Carballes Baena | 6/3 3/6 7/5 | |
| 31 | 2024-11-04 | 250 | Belgrade Open Hard | Hard (in.) | 8e | #93 | #70 Christopher OConnell | 6/3 6/1 | |
| 32 | 2024-11-04 | 250 | Belgrade Open Hard | Hard (in.) | 16e | #93 | #43 Luciano Darderi | 7/6(1) 6/3 | |
| 33 | 2024-10-21 | 500 |  Swiss Indoors Basel | Hard (in.) | 16e | #82 | #20 Arthur Fils | 7/6(5) 6/3 | |
| 34 | 2024-10-14 | 250 |  European Open | Hard (in.) | 8e | #84 | #32 Jiri Lehecka | 6/4 6/3 | |
| 35 | 2024-10-14 | 250 | European Open | Hard (in.) | 16e | #84 | #10000 Gilles Arnaud Bailly | 6/4 6/3 | |
| 36 | 2024-08-26 | GS | US Open | Hard (out.) | 64e | #88 | #36 Mariano Navone | 1/6 6/2 6/4 6/1 | |
| 37 | 2024-07-22 | 250 |  Kitzbuhel Open | Clay | 16e | #82 | #69 Hugo Gaston | 6/4 6/7(5) 6/4 | |
| 38 | 2024-07-15 | 500 | Hamburg European Open | Clay | 16e | #82 | #48 Flavio Cobolli | 6/4 6/7(6) 6/3 | |
| 39 | 2024-07-01 | GS | Wimbledon | Grass | 32e | #82 | #116 Denis Shapovalov | 7/6(3) 6/3 1/6 6/7(3) 6/4 | |
| 40 | 2024-07-01 | GS | Wimbledon | Grass | 64e | #82 | #243 Arthur Fery | 4/6 7/6(6) 1/6 6/3 6/1 | |
| 41 | 2024-05-26 | GS | Roland Garros | Clay | 32e | #82 |  #9 Stefanos Tsitsipas | 6/3 6/2 6/7(2) 6/4 | |
| 42 | 2024-05-26 | GS | Roland Garros | Clay | 64e | #82 | #52 Laslo Djere | 7/5 6/4 6/7(6) 5/7 7/6(6) | |
| 43 | 2024-05-20 | 250 | Geneva Open | Clay | 16e | #82 | #65 Roberto Carballes Baena | 7/6(2) 6/4 | |
| 44 | 2024-05-08 | 1000 | Masters de Rome | Clay | 64e | #82 | #78 Luca Nardi | 6/4 6/4 | |
| 45 | 2024-04-22 | 1000 | Masters de Madrid | Clay | 16e | #82 |  #9 Hubert Hurkacz | 6/4 7/6(2) | |
| 46 | 2024-04-22 | 1000 | Masters de Madrid | Clay | 32e | #82 | #31 Arthur Fils | 6/2 6/3 | |
| 47 | 2024-04-22 | 1000 | Masters de Madrid | Clay | 64e | #82 | #10000 DoNotUse Martin Landaluce | 6/1 7/5 | |
| 48 | 2024-04-15 | 500 | Barcelone Open | Clay | 16e | #51 | #36 Arthur Fils | 6/4 1/6 6/1 | |
| 49 | 2024-04-15 | 500 | Barcelone Open | Clay | 32e | #51 | #46 Alexei Popyrin | 6/3 7/6(4) | |
| 50 | 2024-04-08 | 1000 | Monte-Carlo Masters | Clay | 32e | #51 | #22 Francisco Cerundolo | 6/2 7/6(3) |
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