Stadium: Court 3 Round: 26 Ground: Clay
| Challenger Caltanissetta | 2016/06/06 13:40 | Santiago Giraldo v Lorenzo Giustino | 6-4,6-1 |
| Challenger Almaty | 2019/06/04 09:40 | Santiago Giraldo v Tung-Lin Wu | 2-6,6-3,6-2 |
| French Open | 2019/05/23 14:30 | Rudolf Molleker v Santiago Giraldo | 4-6,6-4,6-4 |
| French Open | 2019/05/20 12:45 | Aleksandr Nedovyesov v Santiago Giraldo | 6-3,4-6,3-6 |
| 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 |
| Challenger Almaty | 2019/06/04 10:30 | Nino Serdarusic v Lorenzo Giustino | 6-3,3-6,2-6 |
| Challenger Vicenza | 2019/05/31 12:40 | Lorenzo Giustino v Benjamin Hassan | 1-6,3-6 |
| Challenger Vicenza | 2019/05/30 16:30 | Lorenzo Giustino v Gonzalo Escobar | 6-7,6-2,7-5 |
| French Open | 2019/05/20 15:20 | Pedja Krstin v Lorenzo Giustino | 6-4,6-2 |
| Challenger Lisbon | 2019/05/17 12:00 | Sandro Ehrat v Lorenzo Giustino | 5-7,6-3,2-6 |
| Challenger Lisbon | 2019/05/16 09:00 | Lorenzo Giustino v Bjorn Fratangelo | 6-4,2-6,6-2 |
| Challenger Lisbon | 2019/05/15 09:00 | Lorenzo Giustino v Zdenek Kolar | 6-4,6-2 |
| Challenger Aix en Provence | 2019/05/07 16:25 | Lorenzo Giustino v Viktor Troicki | 6-4,2-6,4-6 |