Stadium: Court 13 Round: 44 Ground: Clay
| Challenger Puerto Vallarta | 2019/05/01 17:00 | Pedja Krstin v Alejandro Tabilo | 5-7,3-6 |
| Challenger Leon | 2019/04/25 17:00 | Pedja Krstin v Sebastian Ofner | 6-2,4-6,3-6 |
| Challenger Leon | 2019/04/23 20:00 | Pedja Krstin v Roberto Ortega-Olmedo | 7-6,6-3 |
| Challenger San Luis Potosi | 2019/04/16 19:55 | Pedja Krstin v Joao Menezes | 1-6,1-6 |
| ATP Houston | 2019/04/09 22:00 | Pedja Krstin v Jordan Thompson | 5-7,2-6 |
| ATP Houston | 2019/04/08 18:00 | Darian King v Pedja Krstin | 6-7,5-7 |
| ATP Houston | 2019/04/06 20:40 | Pedja Krstin v Marcos Giron | 6-4,6-1 |
| Challenger Monterrey | 2019/04/03 17:00 | Pedja Krstin v Alexander Bublik | 6-1,3-6,4-6 |
| 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 |
| ATP Estoril | 2019/04/27 11:00 | Daniel Evans v Lorenzo Giustino | 6-3,7-5 |
| Challenger Tunis | 2019/04/20 13:15 | Pablo Cuevas v Lorenzo Giustino | 6-2,6-4 |
| Challenger Tunis | 2019/04/19 13:20 | Facundo Arguello v Lorenzo Giustino | 6-2,3-6,4-6 |
| Challenger Tunis | 2019/04/18 13:25 | Lorenzo Giustino v Johan Sebastien Tatlot | 6-1,5-7,6-3 |