| WTT Feeder Gaia | 11/23 15:05 | 6 | Matteo Mutti v Gaston Alto | L | 3-0 | |
| ITTF Pan American Championships | 09/12 23:00 | - | Alberto Mino v Gaston Alto | L | 4-1 | |
| ITTF Pan American Championships | 09/12 15:00 | - | Ricardo Villa v Gaston Alto | W | 0-4 | |
| WTT Contender Rio - Kval | 08/07 21:45 | - | Wang-Wei Peng v Gaston Alto | L | 3-1 | |
| WTT Contender Lima - Kval | 08/02 20:20 | - | Gaston Alto v Fanbo Meng | L | 1-3 | |
| WTT Contender Lima - Kval | 08/01 17:50 | - | Lubomir Pistej v Gaston Alto | W | 0-3 | |
| WTT Contender Lima - Kval | 07/31 22:30 | - | Nicolas Burgos v Gaston Alto | W | 0-3 | |
| VM i bordtennis | 05/20 11:20 | 57 | Long Ma v Gaston Alto | L | 4-0 | |
| WTT Singapore Smash Quals | 03/07 12:30 | 7 | Gaston Alto v Daniel Habesohn | L | 0-3 | |
| WTT Feeder Düsseldorf | 11/23 17:25 | - | Cheng-Ting Liao v Gaston Alto | L | 3-2 | |
| WTT Feeder Düsseldorf | 11/23 12:55 | - | Gaston Alto v Ivor Ban | W | 4-1 | |
| ITTF Pan American Championships | 11/04 23:15 | - | Gaston Alto v Marcelo Aguirre | L | 1-4 |