Stadium: Court 3 Round: 26 Ground: Hardcourt indoor
| 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 Guayaquil | 2018/11/02 01:10 | Juan Ignacio Londero v Santiago Giraldo | 7-5,6-7,6-7 |
| Challenger Guayaquil | 2018/10/31 16:00 | Santiago Giraldo v Miljan Zekic | 7-5,7-5 |
| Challenger Guayaquil | 2018/10/29 19:15 | Santiago Giraldo v Joao Domingues | 7-5,6-3 |
| Challenger Lima | 2018/10/22 20:20 | Thiago Monteiro v Santiago Giraldo | 1-6,6-2,7-5 |
| Challenger Santo Domingo | 2018/10/11 14:00 | Santiago Giraldo v Carlos Berlocq | 6-7,6-7 |
| Challenger Santo Domingo | 2018/10/10 02:20 | Pablo Cuevas v Santiago Giraldo | 6-7,6-2,3-6 |
| Challenger Columbus | 2019/01/09 16:00 | Scott Griekspoor v Nino Serdarusic | 3-6,6-3,6-4 |
| Challenger Columbus | 2019/01/07 17:35 | Václav Šafránek v Scott Griekspoor | 3-6,2-6 |
| Challenger Orlando | 2019/01/02 21:05 | Nino Serdarusic v Scott Griekspoor | 7-6,6-1 |
| Challenger Orlando | 2018/12/31 20:00 | Scott Griekspoor v Fabien Reboul | 6-2,7-5 |
| Lotto NK Tennis | 2018/12/16 11:30 | Jelle Sels v Scott Griekspoor | 4-6,3-5 |
| Lotto NK Tennis | 2018/12/15 12:30 | Scott Griekspoor v Tallon Griekspoor | 6-7,6-3,4-3 |
| Lotto NK Tennis | 2018/12/14 09:30 | Jesse Timmermans v Scott Griekspoor | 6-4,2-6,3-5 |
| Lotto NK Tennis | 2018/12/13 12:30 | Michiel de Krom v Scott Griekspoor | 6-7,6-4,6-7 |