| Challenger Turin | 05/20 09:45 | 28 | [149] Dominik Koepfer v Daniel Elahi Galan [94] | 6-4,6-2 | |
| Challenger Turin | 05/18 09:00 | 27 | [357] Edoardo Lavagno v Dominik Koepfer [149] | 3-6,1-6 | |
| Challenger Turin | 05/17 09:00 | 26 | [149] Dominik Koepfer v Juan Pablo Varillas [97] | 6-4,5-7,7-5 | |
| Challenger Turin | 05/16 13:20 | 25 | [149] Dominik Koepfer v Giulio Zeppieri [120] | 6-2,6-2 | |
| Challenger Prague | 05/14 09:00 | 29 | [333] Jakub Mensik v Dominik Koepfer [149] | 6-4,6-3 | |
| Challenger Prague | 05/13 10:50 | 28 | [149] Dominik Koepfer v Nicolas Kicker [204] | 6-4,6-3 | |
| Challenger Prague | 05/12 11:45 | 27 | [149] Dominik Koepfer v Lukas Klein [136] | 6-4,6-7,6-1 | |
| Challenger Prague | 05/11 11:25 | 26 | [149] Dominik Koepfer v Evan Furness [288] | Retired | |
| Challenger Prague | 05/09 12:50 | 25 | [149] Dominik Koepfer v Gastao Elias [318] | Retired | |
| Challenger Prague | 05/05 09:00 | 27 | [79] Filip Krajinovic v Dominik Koepfer [158] | 6-1,6-2 | |
| Challenger Prague | 05/04 09:00 | 26 | [158] Dominik Koepfer v Norbert Gombos [134] | 6-2,3-6,6-3 | |
| Challenger Prague | 05/02 13:00 | 25 | [215] Federico Delbonis v Dominik Koepfer [158] | 1-6,4-6 | |
| Challenger Tallahassee | 04/18 23:20 | 25 | Thai-Son Kwiatkowski v Dominik Koepfer | 3-6,6-3,6-4 | |
| Challenger San Luis Potosi | 04/09 20:00 | 29 | [179] Dominik Koepfer v Tomas Barrios Vera [184] | 6-7,5-7 | |
| Challenger San Luis Potosi | 04/08 21:35 | 28 | [194] Jan Choinski v Dominik Koepfer [179] | 3-6,3-6 | |
| Challenger San Luis Potosi | 04/07 21:05 | 27 | [206] Maximilian Neuchrist v Dominik Koepfer [179] | 6-4,1-6,4-6 | |
| Challenger San Luis Potosi | 04/07 17:25 | 26 | [179] Dominik Koepfer v Denis Yevseyev [302] | 6-3,6-2 | |
| Challenger San Luis Potosi | 04/05 01:20 | 25 | [255] Roman A Burruchaga v Dominik Koepfer [179] | 1-6,3-6 | |
| Challenger Mexico City | 04/01 21:00 | 29 | [262] Dominik Koepfer v Thiago Agustin Tirante [234] | 2-6,6-4,6-2 | |
| Challenger Mexico City | 03/31 21:00 | 28 | [262] Dominik Koepfer v Maximilian Neuchrist [248] | 6-2,6-4 | |
| Challenger Mexico City | 03/30 23:10 | 27 | [304] Federico Gaio v Dominik Koepfer [262] | 4-6,6-4,6-7 | |
| Challenger Mexico City | 03/29 19:40 | 26 | [262] Dominik Koepfer v Tomas Barrios Vera [183] | 4-6,6-4,7-5 | |
| Challenger Mexico City | 03/28 19:20 | 25 | [205] Rio Noguchi v Dominik Koepfer [262] | 3-6,2-6 | |
| Challenger Mexico City | 03/27 18:50 | 19 | [262] Dominik Koepfer v Dmitry Popko [402] | 6-3,6-1 | |
| Challenger Mexico City | 03/26 19:20 | 14 | [262] Dominik Koepfer v Valerio Aboian [433] | 7-5,3-6,6-4 | |
| Challenger Puerto Vallarta | 03/08 01:30 | 25 | [98] Daniel Altmaier v Dominik Koepfer [236] | 6-7,7-6,6-1 | |
| Challenger Waco | 02/27 20:50 | 25 | [228] Marco Trungelliti v Dominik Koepfer [233] | 2-6,6-4,6-4 | |
| Challenger Rome GA | 02/20 22:25 | 25 | [233] Dominik Koepfer v Alex Michelsen [466] | 3-6,1-6 | |
| Challenger Drummondville | 11/15 15:00 | 25 | Vasek Pospisil v Dominik Koepfer | Cancelled | |
| Challenger Calgary | 11/13 22:25 | 29 | [259] Dominik Koepfer v Aleksandar Vukic [165] | 6-2,6-4 |
Wikipedia - Dominik Koepfer
Dominik Koepfer (born 29 April 1994), also spelled Köpfer, is a German professional tennis player. He achieved a career-high ATP singles ranking of world No. 49 on 4 March 2024, and a doubles ranking of No. 92 on 14 February 2022. He played college tennis at Tulane University.