[166] Jason Jung 3-6,4-6 Ryan Peniston [309] 2021-09-20 16:40
Stadium: Court 4 Round: 25 Ground: Hardcourt indoor
Home History
| Challenger Cary | 2021/09/14 16:55 | Rinky Hijikata v Jason Jung | 6-4,6-4 |
| US Open | 2021/08/26 20:30 | Mikhail Kukushkin v Jason Jung | 6-4,6-3 |
| US Open | 2021/08/25 21:20 | Sebastian Ofner v Jason Jung | 5-7,4-6 |
| ATP Washington | 2021/07/31 16:00 | Go Soeda v Jason Jung | 6-4,6-7,6-4 |
| ATP Atlanta | 2021/07/25 16:25 | Jason Jung v Bjorn Fratangelo | 3-6,6-1,5-7 |
| ATP Atlanta | 2021/07/24 19:25 | Jason Jung v Lukas Lacko | 6-4,6-7,6-3 |
| ATP Los Cabos | 2021/07/20 00:00 | Jason Jung v Evgeny Donskoy | 1-6,4-6 |
| ATP Newport | 2021/07/15 16:45 | Alexander Bublik v Jason Jung | 6-2,6-4 |
Away History
| Challenger Cary | 2021/09/18 00:40 | Ryan Peniston v Bjorn Fratangelo | 3-6,5-7 |
| Challenger Cary | 2021/09/16 22:55 | Christopher Eubanks v Ryan Peniston | 6-4,6-7,4-6 |
| Challenger Cary | 2021/09/14 15:00 | Ryan Peniston v Peter Polansky | 6-3,6-2 |
| ITF M25 Ricany | 2021/09/03 10:15 | Mateus Alves v Ryan Peniston | 4-6,2-6 |
| ITF M25 Ricany | 2021/09/02 08:00 | Alexander Donski v Ryan Peniston | 2-6,4-6 |
| ITF M25 Ricany | 2021/08/31 09:20 | Jiri Jenicek v Ryan Peniston | 2-6,0-6 |
| Challenger Prague | 2021/08/28 09:00 | Ryan Peniston v Franco Agamenone | 3-6,1-6 |
| Challenger Prague | 2021/08/27 09:00 | Genaro Alberto Olivieri v Ryan Peniston | 1-6,5-7 |