| ATP - Maiorca | 06/22 13:15 | 26 | [36] Sebastian Baez v Daniel Altmaier [64] | 2-6,6-2,4-6 | |
| ATP - Maiorca | 06/21 13:55 | 25 | [64] Daniel Altmaier v Dusan Lajovic [63] | 7-5,7-6 | |
| ATP - Halle | 06/14 12:30 | 25 | [65] Nick Kyrgios v Daniel Altmaier [66] | 6-3,7-5 | |
| ATP - Estugarda | 06/06 10:25 | 25 | [61] Oscar Otte v Daniel Altmaier [59] | 7-6,7-6 | |
| Open de França | 05/22 09:00 | 23 | [54] Daniel Altmaier v Jaume Munar [91] | 1-6,3-6,6-4,3-6 | |
| ATP - Lyon | 05/17 09:00 | 25 | [54] Daniel Altmaier v Federico Coria [59] | 3-6,6-3,3-6 | |
| Challenger - Heilbronn | 05/14 14:00 | 29 | [66] Daniel Altmaier v Andrej Martin [144] | 3-6,6-1,6-4 | |
| Challenger - Heilbronn | 05/13 14:50 | 28 | [66] Daniel Altmaier v Daniel Elahi Galan [105] | 6-3,2-6,6-4 | |
| Challenger - Heilbronn | 05/12 11:50 | 27 | [66] Daniel Altmaier v Thiago Agustin Tirante [208] | 6-3,6-2 | |
| Challenger - Heilbronn | 05/11 14:00 | 26 | [66] Daniel Altmaier v Constant Lestienne [175] | 6-1,6-4 | |
| Challenger - Heilbronn | 05/10 14:30 | 25 | [66] Daniel Altmaier v Facundo Mena [168] | 6-2,6-3 | |
| Challenger - Aix en Provence | 05/05 13:15 | 26 | [154] Hugo Grenier v Daniel Altmaier [65] | 6-1,6-3 | |
| Challenger - Aix en Provence | 05/03 16:35 | 25 | [420] Martin Cuevas v Daniel Altmaier [65] | 3-6,4-6 | |
| ATP - Munique | 04/27 09:00 | 26 | [38] Miomir Kecmanovic v Daniel Altmaier [67] | 6-2,6-4 | |
| ATP - Munique | 04/25 11:00 | 25 | [132] Philipp Kohlschreiber v Daniel Altmaier [67] | 6-7,6-3,1-6 | |
| Challenger - Praga | 04/20 13:00 | 26 | [69] Daniel Altmaier v Jonas Forejtek [292] | 1-6,4-6 | |
| Challenger - Praga | 04/19 12:45 | 25 | Daniel Altmaier v Martin Krumich | 5-7,7-5,6-4 | |
| ATP - Miami | 03/24 17:25 | 23 | [69] Daniel Altmaier v Jeffrey John Wolf [167] | 4-6,4-6 | |
| Challenger - Phoenix | 03/20 19:00 | 29 | [79] Daniel Altmaier v Denis Kudla [102] | 6-2,2-6,3-6 | |
| Challenger - Phoenix | 03/19 22:00 | 28 | [79] Daniel Altmaier v Liam Broady [124] | 7-6,7-5 | |
| Challenger - Phoenix | 03/18 22:35 | 27 | [120] Radu Albot v Daniel Altmaier [79] | 4-6,5-7 | |
| Challenger - Phoenix | 03/17 22:20 | 26 | [79] Daniel Altmaier v Emil Ruusuvuori [70] | 6-2,7-5 | |
| Challenger - Phoenix | 03/16 19:10 | 25 | [125] Aleksandar Vukic v Daniel Altmaier [79] | 1-6,6-3,4-6 | |
| ATP - Indian Wells | 03/12 01:20 | 23 | [115] Steve Johnson v Daniel Altmaier [79] | 6-3,7-6 | |
| ATP - Acapulco | 02/23 01:35 | 25 | [12] Cameron Norrie v Daniel Altmaier [84] | 7-6,6-2 | |
| ATP - Acapulco | 02/21 01:20 | 19 | [82] Daniel Altmaier v Denis Kudla [105] | 4-6,6-4,6-2 | |
| ATP - Acapulco | 02/20 02:05 | 14 | Daniel Altmaier v Ernesto Escobedo | 6-2,3-6,6-1 | |
| ATP - Delray Beach | 02/16 01:00 | 25 | [141] Jack Sock v Daniel Altmaier [82] | 2-6,6-3,6-4 | |
| ATP - Dallas | 02/09 18:00 | 25 | [81] Daniel Altmaier v Andreas Seppi [100] | 6-4,3-6,4-6 | |
| ATP - Pune | 02/04 11:30 | 27 | [137] Joao Sousa v Daniel Altmaier [85] | 6-2,6-3 |
Wikipedia - Daniel Altmaier
Daniel Altmaier (German pronunciation: [ˈdaːni̯eːl ˈaltmaɪ̯ɐ]; born 12 September 1998) is a German professional tennis player. He has a career high ATP singles ranking of world No. 47, achieved on 2 October 2023. He is the current German No. 3.