Stadium: Center Round: 24 Ground: Clay
| Challenger Santiago | 2019/03/05 15:40 | Johannes Haerteis v Pedro Martinez | 1-6,4-6 |
| Challenger Santiago | 2019/03/04 15:30 | Johannes Haerteis v Sumit Nagal | 6-4,0-6,6-3 |
| Challenger Morelos | 2019/02/19 16:00 | Alejandro Gonzalez v Johannes Haerteis | 6-3,6-1 |
| ITF M25 Barnstaple | 2019/02/12 10:00 | Jack Draper v Johannes Haerteis | 7-6,6-3 |
| Challenger Koblenz | 2019/01/15 12:45 | Filip Horansky v Johannes Haerteis | 7-6,6-4 |
| Challenger Koblenz | 2019/01/14 15:40 | Johannes Haerteis v Vaclav Safranek | 7-6,4-6,6-3 |
| Challenger Bratislava | 2018/11/06 15:15 | Johannes Haerteis v Lukas Rosol | 3-6,3-6 |
| Challenger Bratislava | 2018/11/05 10:00 | Johannes Haerteis v Ante Pavic | 4-6,7-5,7-6 |
| Challenger Drummondville | 2019/03/13 15:35 | Roberto Quiroz v Evan Song | 6-4,6-3 |
| Challenger Drummondville | 2019/03/12 14:00 | Ante Pavic v Evan Song | 2-6,1-6 |
| ATP Indian Wells | 2019/03/05 22:20 | Denis Istomin v Evan Song | 6-3,6-4 |
| Challenger Morelos | 2019/02/18 16:00 | Evan Song v Stefan Kozlov | 5-7,3-6 |
| Challenger Dallas | 2019/02/04 20:15 | Evan King v Evan Song | 6-4,6-4 |
| Challenger Cleveland | 2019/01/28 16:30 | Ulises Blanch v Evan Song | 7-6,7-5 |
| Challenger Newport Beach | 2019/01/22 19:45 | Evan Song v Kaichi Uchida | 6-7,2-6 |
| Challenger Newport Beach | 2019/01/21 19:45 | Evan Song v Alafia Ayeni | 6-7,6-3,6-4 |