Stadium: Court 2 Round: 28 Ground: Hardcourt outdoor
| ITF - M25 Edwardsville | 2019/08/09 16:30 | Jacob Dunbar v Nathan Ponwith | 6-4,4-6,5-7 |
| ITF - M25 Edwardsville | 2019/08/08 16:20 | Nathan Ponwith v Christian Langmo | 7-5,5-7,6-4 |
| ITF - M25 Edwardsville | 2019/08/07 15:00 | Nathan Ponwith v Brandon Walkin | 6-4,2-6,6-1 |
| Challenger Binghamton | 2019/07/23 17:20 | Nathan Ponwith v Aleksandar Vukic | 2-6,1-6 |
| ITF M25 Iowa City | 2019/07/18 14:00 | Evan Zhu v Nathan Ponwith | 6-3,6-2 |
| ITF M25 Iowa City | 2019/07/16 19:05 | Tristan Boyer v Nathan Ponwith | 6-4,2-6,1-6 |
| ITF - M15 Norman | 2019/07/12 15:00 | Austin Rapp v Nathan Ponwith | 7-6,1-6,7-5 |
| ITF - M15 Norman | 2019/07/11 14:00 | Spencer Papa v Nathan Ponwith | 6-7,4-6 |
| ITF - M25 Edwardsville | 2019/08/09 15:00 | Alexander Lebedev v Santiago Rodriguez Taverna | 6-4,6-2 |
| ITF - M25 Edwardsville | 2019/08/08 15:00 | Sekou Bangoura v Alexander Lebedev | 1-6,4-6 |
| ITF - M25 Edwardsville | 2019/08/07 14:30 | Alexander Cozbinov v Alexander Lebedev | 2-6,7-5,4-6 |
| ITF - M25 Edwardsville | 2019/08/06 14:00 | Alexander Lebedev v Abraham Asaba | 6-1,6-3 |
| Challenger - Lexington | 2019/07/30 14:30 | Alexander Lebedev v Alexander Ritschard | 6-4,2-6,3-6 |
| Challenger - Granby | 2019/07/22 15:45 | Alexander Lebedev v Gleb Sakharov | 3-6,6-1,0-6 |
| ITF M25 Iowa City | 2019/07/17 17:00 | Hady Habib v Alexander Lebedev | 6-3,6-4 |
| ITF M25 Iowa City | 2019/07/16 15:00 | Alexander Lebedev v Alexandre Rotsaert | 6-4,7-5 |