Stadium: Court 18 Round: 24 Ground: Hardcourt outdoor
| Challenger Morelos | 2019/02/21 19:10 | Santiago Giraldo v Steven Diez | 6-3,1-6,1-6 |
| Challenger Morelos | 2019/02/20 02:00 | Santiago Giraldo v Michael Redlicki | 6-4,7-5 |
| Davis Kupa | 2019/02/01 21:00 | Santiago Giraldo v Elias Ymer | 6-2,6-4 |
| Challenger Newport Beach | 2019/01/22 19:20 | Jason Jung v Santiago Giraldo | 7-6,7-6 |
| Challenger Newport Beach | 2019/01/21 20:30 | Santiago Giraldo v Roberto Marcora | 6-3,7-6 |
| Challenger Columbus | 2019/01/10 16:00 | Santiago Giraldo v Scott Griekspoor | 1-6,4-6 |
| Challenger Columbus | 2019/01/09 16:00 | Santiago Giraldo v Evan King | 6-4,6-4 |
| Challenger Guayaquil | 2018/11/03 01:00 | Guido Andreozzi v Santiago Giraldo | 6-4,7-6 |
| Challenger Morelos | 2019/02/21 18:50 | Dennis Novikov v Renzo Olivo | 2-6,4-6 |
| Challenger Morelos | 2019/02/20 23:00 | Dennis Novikov v Manuel Sanchez | 6-3,6-2 |
| Challenger Dallas | 2019/02/05 18:50 | Dennis Novikov v Emilio Gomez | 1-6,1-6 |
| Challenger Cleveland | 2019/01/28 22:40 | Roberto Marcora v Dennis Novikov | 6-3,4-6,7-5 |
| Challenger Newport Beach | 2019/01/24 19:45 | Jason Jung v Dennis Novikov | 4-6,6-4,7-5 |
| Challenger Newport Beach | 2019/01/22 22:00 | Dennis Novikov v Christopher Eubanks | 4-6,6-1,7-6 |
| Challenger Newport Beach | 2019/01/21 23:30 | Dennis Novikov v Ante Pavic | 6-1,7-5 |
| Challenger Columbus | 2019/01/08 19:50 | Vincent Millot v Dennis Novikov | 7-5,7-6 |