Challenger Cagliari | 05/01 11:30 | 25 | [163] Shintaro Mochizuki v Daniel Altmaier [61] | 6-4,1-6,6-3 | |
ATP Madrid | 04/28 12:25 | 25 | [9] Hubert Hurkacz v Daniel Altmaier [61] | 6-4,7-6 | |
ATP Madrid | 04/26 10:45 | 24 | [61] Daniel Altmaier v Arthur Fils [32] | 6-2,6-3 | |
ATP Madrid | 04/24 11:20 | 23 | [61] Daniel Altmaier v Martin Landaluce [322] | 6-1,7-5 | |
ATP Barcelona | 04/17 16:55 | 25 | [66] Daniel Altmaier v Arthur Fils [36] | 4-6,6-1,1-6 | |
ATP Barcelona | 04/16 14:10 | 24 | [66] Daniel Altmaier v Alexei Popyrin [44] | 6-3,7-6 | |
ATP Monte Carlo | 04/08 10:35 | 24 | [22] Francisco Cerundolo v Daniel Altmaier [52] | 6-2,7-6 | |
ATP Monte Carlo | 04/07 11:30 | 19 | [54] Daniel Altmaier v Corentin Moutet [99] | 2-6,4-6 | |
ATP Monte Carlo | 04/06 12:15 | 14 | [54] Daniel Altmaier v Luca Van Assche [94] | 2-6,6-2,6-3 | |
ATP Estoril | 04/03 10:00 | 25 | [54] Daniel Altmaier v Pedro Martinez [77] | 4-6,2-6 | |
ATP Miami | 03/24 15:00 | 24 | [54] Daniel Altmaier v Jan-Lennard Struff [25] | 3-6,3-6 | |
ATP Miami | 03/21 15:00 | 23 | [54] Daniel Altmaier v Harold Mayot [141] | 6-2,7-5 | |
ATP Indian Wells | 03/07 21:10 | 23 | [273] Lucas Pouille v Daniel Altmaier [53] | 6-4,6-3 | |
ATP Acapulco | 02/29 01:25 | 26 | [57] Daniel Altmaier v Miomir Kecmanovic [53] | 4-6,4-6 | |
ATP Acapulco | 02/28 03:30 | 25 | [6] Alexander Zverev v Daniel Altmaier [57] | 3-6,6-3,3-6 | |
ATP Buenos Aires | 02/12 17:00 | 25 | [87] Facundo Diaz Acosta v Daniel Altmaier [53] | 6-3,7-6 | |
ATP Cordoba | 02/06 17:00 | 25 | [93] Federico Coria v Daniel Altmaier [52] | 5-7,6-3,6-4 | |
Australian Open | 01/15 04:25 | 23 | [50] Daniel Altmaier v Karen Khachanov [15] | 7-5,3-6,6-7,6-7 | |
ATP Auckland | 01/11 05:30 | 27 | [35] Arthur Fils v Daniel Altmaier [57] | Retired | |
ATP Auckland | 01/09 23:00 | 26 | [57] Daniel Altmaier v Felix Auger Aliassime [27] | 7-6,7-5 | |
ATP Auckland | 01/07 23:00 | 25 | [56] Daniel Altmaier v Marcos Giron [60] | 7-6,6-2 | |
ATP Brisbane | 01/04 05:30 | 26 | [56] Daniel Altmaier v Grigor Dimitrov [14] | 1-6,2-6 | |
ATP Brisbane | 01/02 06:00 | 25 | [225] Li Tu v Daniel Altmaier [56] | 6-7,6-7 | |
ATP Metz | 11/07 13:20 | 25 | [54] Daniel Altmaier v Mate Valkusz [232] | 2-6,2-6 | |
ATP Metz | 11/05 13:00 | 25 | Daniel Altmaier v Hugo Gaston | Cancelled | |
ATP Paris | 11/02 21:30 | 26 | [54] Daniel Altmaier v Holger Rune [7] | 3-6,3-6 | |
ATP Paris | 11/01 09:00 | 25 | Taylor Fritz v Daniel Altmaier | Walkover | |
ATP Paris | 10/31 13:00 | 24 | [54] Daniel Altmaier v Arthur Fils [36] | 6-2,6-4 | |
ATP Paris | 10/28 08:00 | 14 | Daniel Altmaier v Bernabe Zapata Miralles | Cancelled | |
ATP Wien | 10/25 12:00 | 25 | [89] Gael Monfils v Daniel Altmaier [47] | 6-4,6-4 |
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. 4.