Stadium: Court 1 Round: 25 Ground: Clay
| Challenger - Sarasota | 2019/04/17 15:35 | Henri Laaksonen v Santiago Giraldo | 6-4,6-4 |
| Challenger - Sarasota | 2019/04/16 15:40 | Santiago Giraldo v Thai-Son Kwiatkowski | 5-7,6-1,6-4 |
| ATP - Houston | 2019/04/12 01:35 | Santiago Giraldo v Jordan Thompson | 6-4,6-7,5-7 |
| ATP - Houston | 2019/04/09 20:55 | Santiago Giraldo v Bradley Klahn | 6-4,6-4 |
| ATP - Houston | 2019/04/07 15:00 | Christopher Eubanks v Santiago Giraldo | 4-6,4-6 |
| ATP - Houston | 2019/04/06 19:00 | Santiago Giraldo v James Ward | 6-4,6-4 |
| Challenger - Monterrey | 2019/04/04 23:05 | Donald Young v Santiago Giraldo | 6-3,6-4 |
| Challenger - Monterrey | 2019/04/03 19:20 | Santiago Giraldo v Roberto Quiroz | 3-6,7-5,7-6 |
| Challenger - Tallahassee | 2019/04/22 19:40 | Denis Yevseyev v Sumit Nagal | 0-6,6-7 |
| Challenger - Sarasota | 2019/04/16 15:40 | Sumit Nagal v Bjorn Fratangelo | 3-6,6-3,6-7 |
| Challenger - Sarasota | 2019/04/15 15:50 | Jelle Sels v Sumit Nagal | 7-6,2-6,3-6 |
| Challenger - Barletta | 2019/04/10 11:45 | Sumit Nagal v Filippo Baldi | 3-6,4-6 |
| Challenger - Barletta | 2019/04/09 11:30 | Sumit Nagal v Peter Heller | 1-6,6-1,6-0 |
| Challenger - Barletta | 2019/04/08 08:00 | Sumit Nagal v Matteo Arnaldi | 6-3,7-5 |
| Challenger Drummondville | 2019/03/12 18:10 | Tristan Lamasine v Sumit Nagal | 6-2,6-3 |
| Challenger Drummondville | 2019/03/11 20:10 | Kevin King v Sumit Nagal | 3-6,3-6 |