[246] Michael Mmoh 6-3,3-6,4-6 Daniel Altmaier [105] 2021-11-13 19:05
Stadium: Stadium Round: 28 Ground: Hardcourt indoor
Home History
| Challenger Knoxville | 2021/11/12 19:00 | Aidan Mchugh v Michael Mmoh | 6-3,3-6,1-6 |
| Challenger Knoxville | 2021/11/11 18:00 | Michael Mmoh v Mitchell Krueger | 7-6,1-6,6-2 |
| Challenger Knoxville | 2021/11/08 22:30 | Yasutaka Uchiyama v Michael Mmoh | 5-7,3-6 |
| Challenger Charlottesville | 2021/11/02 16:10 | Cedrik-Marcel Stebe v Michael Mmoh | 6-4,6-7,6-2 |
| Challenger Las Vegas | 2021/10/30 20:00 | Michael Mmoh v Jeffrey John Wolf | 3-6,2-6 |
| Challenger Las Vegas | 2021/10/29 18:00 | Michael Mmoh v Mikael Torpegaard | 6-1,6-7,6-1 |
| Challenger Las Vegas | 2021/10/27 18:00 | Aleksandar Vukic v Michael Mmoh | 4-6,4-6 |
| Challenger Las Vegas | 2021/10/25 22:30 | Michael Mmoh v Nick Chappell | 6-2,6-1 |
Away History
| Challenger Knoxville | 2021/11/13 00:20 | Jack Sock v Daniel Altmaier | 6-3,5-7,6-7 |
| Challenger Knoxville | 2021/11/10 15:00 | Blaz Rola v Daniel Altmaier | 6-7,4-6 |
| Challenger Knoxville | 2021/11/09 16:25 | Adam Walton v Daniel Altmaier | 3-6,2-6 |
| Challenger Las Vegas | 2021/10/28 19:30 | Daniel Altmaier v Aleksandar Kovacevic | 6-7,3-6 |
| Challenger Las Vegas | 2021/10/26 18:00 | Daniel Altmaier v Yasutaka Uchiyama | 7-6,6-1 |
| Challenger Bogota | 2021/10/21 18:15 | Alexis Galarneau v Daniel Altmaier | 6-3,3-6,6-3 |
| Challenger Bogota | 2021/10/19 20:55 | Dalibor Svrcina v Daniel Altmaier | 4-6,1-6 |
| ATP Indian Wells | 2021/10/09 22:30 | Grigor Dimitrov v Daniel Altmaier | 6-4,6-2 |