| Pan American Games Women | 10/30 17:10 | - | Duffoo, Isabel v Bruna Takahashi | L | 0-4 | |
| WTT Contender Lima Women | 08/04 01:05 | 5 | Duffoo, Isabel v Hana Matelova | L | 0-3 | |
| ITTF South American Team Champs Women | 06/09 21:00 | - | Roxy Gonzalez v Duffoo, Isabel | L | 3-1 | |
| ITTF South American Team Champs Women | 06/08 23:20 | - | Laura Watanabe v Duffoo, Isabel | L | 3-0 | |
| ITTF South American Champs Women | 06/05 20:30 | - | Bruna Alexandre v Duffoo, Isabel | L | 4-1 | |
| WTT Contender Lima Women Quals | 06/15 21:30 | - | Duffoo, Isabel v Ozge Yilmaz | L |
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| WTT Contender Lima Women Quals | 06/14 10:00 | - | Maria Maldonado v Duffoo, Isabel | W | 0-3 | |
| Pan American Games Women | 08/09 15:30 | - | Mo Zhang v Duffoo, Isabel | L | 3-0 |