Stadium: Cancha Central Round: 26 Ground: Clay
| Challenger Milan | 2017/06/28 10:30 | Guido Pella v Pedja Krstin | 5-7,6-1,6-1 |
| Challenger Montevideo | 2018/11/06 15:00 | Federico Gaio v Pedja Krstin | 6-7,5-7 |
| Challenger Guayaquil | 2018/11/01 20:30 | Pedja Krstin v Guido Andreozzi | 4-6,2-6 |
| Challenger Guayaquil | 2018/10/31 18:00 | Paolo Lorenzi v Pedja Krstin | 6-7,2-6 |
| Challenger Guayaquil | 2018/10/29 19:45 | Pedja Krstin v Roberto Cid Subervi | 6-3,7-6 |
| Challenger Lima | 2018/10/24 01:05 | Pedja Krstin v Federico Delbonis | 2-6,2-6 |
| Challenger Santo Domingo | 2018/10/13 01:15 | Pedja Krstin v Federico Delbonis | 0-6,3-6 |
| Challenger Santo Domingo | 2018/10/11 15:25 | Emilio Gomez v Pedja Krstin | 3-6,1-6 |
| Challenger Santo Domingo | 2018/10/08 23:10 | Pedja Krstin v Roberto Cid Subervi | 6-0,6-1 |
| Challenger Montevideo | 2018/11/05 21:00 | Roberto Cid Subervi v Guido Pella | 4-6,1-6 |
| ATP Paryż | 2018/10/27 10:00 | Matthew Ebden v Guido Pella | 6-3,3-6,6-1 |
| ATP Wiedeń | 2018/10/21 13:05 | Guido Pella v Ruben Bemelmans | 4-6,0-6 |
| ATP Antwerpia | 2018/10/16 16:30 | Jo-Wilfried Tsonga v Guido Pella | 7-5,5-7,7-6 |
| ATP Chengdu | 2018/09/25 05:00 | Guido Pella v Sam Querrey | 6-7,1-6 |
| ATP St Petersburg | 2018/09/20 11:30 | Damir Dzumhur v Guido Pella | 6-4,6-4 |
| ATP St Petersburg | 2018/09/19 12:00 | Ilya Ivashka v Guido Pella | 6-4,3-6,4-6 |
| Puchar Davisa | 2018/09/14 17:00 | Guido Pella v Daniel Elahi Galan | 3-6,6-4,4-6,6-3,6-2 |