Stadium: Ct 9 Round: 25 Ground: Hardcourt outdoor
| ATP Chengdu | 2019/09/21 06:00 | Luke Saville v Andrew Harris | 6-4,7-5 |
| Challenger Kaohsiung | 2019/09/19 03:00 | Ji Sung Nam v Andrew Harris | 6-2,6-2 |
| Challenger Kaohsiung | 2019/09/18 06:05 | Tsung-Hua Yang v Andrew Harris | 6-7,3-6 |
| Challenger Shanghai | 2019/09/11 04:05 | Makoto Ochi v Andrew Harris | 6-4,2-6,6-7 |
| US Open | 2019/08/19 19:00 | Gregoire Barrere v Andrew Harris | 6-7,7-6,7-6 |
| Challenger Aptos | 2019/08/06 17:00 | Roberto Quiroz v Andrew Harris | 6-3,6-3 |
| Challenger Lexington | 2019/07/31 15:45 | Diego Hidalgo v Andrew Harris | 6-4,7-6 |
| Challenger Granby | 2019/07/25 14:00 | Andrew Harris v Steven Diez | 4-6,2-6 |
| ITF M25 Norman | 2019/10/03 15:00 | Lucas Gerch v Evan Zhu | 5-7,6-4,3-6 |
| ITF M25 Norman | 2019/10/01 18:20 | Roy Smith v Lucas Gerch | 5-7,4-6 |
| ITF M25 Santa Margherita | 2019/09/22 12:00 | Lucas Gerch v Thiemo De Bakker | 2-6,4-6 |
| ITF M25 Santa Margherita | 2019/09/21 12:00 | Lucas Gerch v Gianluca Di Nicola | 6-2,2-6,6-2 |
| ITF M25 Santa Margherita | 2019/09/19 15:20 | Lucas Gerch v Luciano Darderi | 3-6,6-2,6-2 |
| ITF M25 Santa Margherita | 2019/09/17 17:30 | Lucas Gerch v Louis Tessa | 6-3,6-4 |
| Challenger Banja Luka | 2019/09/09 14:20 | Lucas Gerch v Andrea Arnaboldi | 3-6,5-7 |
| Challenger Meerbusch | 2019/08/14 11:15 | Lucas Gerch v Pedja Krstin | 1-6,4-6 |