| Croatia Open | 2019/05/15 12:50 | Alto, Gaston v Matsudaira, Kenji | L | 0-4 |
| Serbia Open | 2019/05/02 08:55 | Alto, Gaston v Tahara, Shogo | L | 2-3 |
| Serbia Open | 2019/05/01 14:20 | Alto, Gaston v Amiri Nia, Soroosh | W | 3-2 |
| République tchèque - Extraleague | 2019/02/13 14:20 | Alto, Gaston v Pinto, Daniele | W | 4-3 |
| Challenger Ochsenhausen | 2018/10/05 12:50 | Miroslav Horejsi v Alto, Gaston | W | 1-3 |
| Challenger Ochsenhausen | 2018/10/05 12:05 | Karakasevic, Aleksandar v Alto, Gaston | W | 1-3 |
| Challenger Ochsenhausen | 2018/10/05 09:50 | Kriston, Daniel v Alto, Gaston | W | 0-3 |
| Challenger Ochsenhausen | 2018/10/05 07:50 | Haiqal, Muhamad Ashraf v Alto, Gaston | W | 2-3 |
| Challenger Ochsenhausen | 2019/04/19 12:50 | Gorak, Daniel v Jakub Kosowski | W | 3-0 |
| Challenger Ochsenhausen | 2019/04/19 11:25 | Yannick Vostes v Gorak, Daniel | W | 0-3 |
| Challenger Ochsenhausen | 2019/04/19 10:30 | Gorak, Daniel v Yannick Vostes | L | 1-3 |
| Challenger Ochsenhausen | 2019/04/19 07:50 | Gorak, Daniel v Liang Qiu | L | 2-3 |
| Challenger Ochsenhausen | 2019/04/18 11:50 | Gorak, Daniel v Chtchetinine, Evgueni | W | 3-0 |
| Challenger Ochsenhausen | 2019/04/18 08:30 | Gorak, Daniel v Demeter, Lehel | W | 3-0 |
| Challenger Ochsenhausen | 2019/04/17 11:50 | Gorak, Daniel v Duch, A. | W | 3-0 |
| Challenger Ochsenhausen | 2019/04/17 09:10 | Gorak, Daniel v Pawel Grela | W | 3-0 |