[98] Daniel Altmaier 2-6,1-6 Yosuke Watanuki [306] 2021-11-18 18:35
Stadium: Court 5 Round: 26 Ground: Hardcourt indoor
Home History
| Challenger Champaign | 2021/11/16 18:20 | Daniel Altmaier v Jaziri, Malek | 6-3,6-4 |
| Challenger Knoxville | 2021/11/14 18:00 | Christopher Eubanks v Daniel Altmaier | 6-3,6-4 |
| Challenger Knoxville | 2021/11/13 19:05 | Michael Mmoh v Daniel Altmaier | 6-3,3-6,4-6 |
| Challenger Knoxville | 2021/11/13 00:20 | Sock, Jack v Daniel Altmaier | 6-3,5-7,6-7 |
| Challenger Knoxville | 2021/11/10 15:00 | Rola, Blaz 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 |
Away History
| Challenger Champaign | 2021/11/16 16:00 | Alexis Galarneau v Yosuke Watanuki | 4-6,6-4,0-6 |
| Challenger Knoxville | 2021/11/08 21:35 | Yosuke Watanuki v Fratangelo, Bjorn | 4-6,6-7 |
| Challenger Charlottesville | 2021/11/04 20:00 | Yosuke Watanuki v Thai-Son Kwiatkowski | 6-7,1-6 |
| Challenger Charlottesville | 2021/11/02 14:00 | Yosuke Watanuki v Christopher Eubanks | 6-2,2-6,6-4 |
| Challenger Las Vegas | 2021/10/26 18:00 | Jason Kubler v Yosuke Watanuki | 6-7,6-0,7-6 |
| Winston-Salem, USA | 2021/08/24 21:15 | Yosuke Watanuki v Marton Fucsovics | 5-7,1-6 |
| Winston-Salem, USA | 2021/08/23 21:25 | Jaume Munar v Yosuke Watanuki | 6-3,3-6,0-6 |
| Winston-Salem, USA | 2021/08/22 18:00 | Alexei Popyrin v Yosuke Watanuki | 6-2,4-6,6-1 |