Stadium: Estadio Round: 25 Ground: Hardcourt outdoor
| Monterrey, Mexico | 2018/10/01 18:20 | Emilio Nava v Krainik, Pavel | 5-7,6-3,3-6 |
| Monterrey, Mexico | 2018/09/30 17:30 | Krainik, Pavel v Rodriguez, Cristian | 7-6,6-4 |
| Monterrey, Mexico | 2018/09/29 19:05 | Patino, Luis v Krainik, Pavel | 3-6,4-6 |
| Canada F7, Singles | 2018/09/11 16:05 | Krainik, Pavel v Findel-Hawkins, Jack | 6-7,6-2,3-6 |
| ITF Canada F6 | 2018/09/07 18:10 | Alafia Ayeni v Krainik, Pavel | 6-4,6-4 |
| ITF Canada F6 | 2018/09/06 14:00 | Findel-Hawkins, Jack v Krainik, Pavel | 4-6,2-6 |
| ITF Canada F6 | 2018/09/04 14:00 | Liam Draxl v Krainik, Pavel | 4-6,7-6,5-7 |
| ITF USA F23 | 2018/08/15 19:20 | Geller, Axel v Krainik, Pavel | 7-6,6-4 |
| Coupe Davis | 2018/09/14 14:00 | Diego Schwartzman v Giraldo, Santiago | 6-3,6-1,6-7,6-1 |
| US Open, New York, USA | 2018/08/23 15:00 | Polansky, Peter v Giraldo, Santiago | 7-6,6-4 |
| US Open, New York, USA | 2018/08/21 21:45 | Giraldo, Santiago v Galovic, Viktor | 6-4,6-4 |
| Vancouver, Canada | 2018/08/14 01:40 | Polansky, Peter v Giraldo, Santiago | 7-6,5-7,6-3 |
| ATP Gstaad Qual | 2018/07/21 10:50 | Menendez-Maceiras, Adrian v Giraldo, Santiago | 6-3,7-5 |
| ATP Bastad Qual | 2018/07/15 08:30 | Laaksonen, Henri v Giraldo, Santiago | 4-6,6-2,6-4 |
| Wimbledon Qual | 2018/06/25 10:55 | Schnur, Brayden v Giraldo, Santiago | 6-4,7-5 |
| French Open, Paris, France | 2018/05/30 10:30 | Bautista-Agut, Roberto v Giraldo, Santiago | 6-4,7-5,6-3 |