| Challenger Porto Alegre | 04/29 21:40 | 19 | Karue Sell v Gabriel Decamps | 6-1,2-6,6-4 | |
| Challenger Porto Alegre | 04/28 18:20 | 14 | Victor Hugo Remondy Pagotto v Gabriel Decamps | 3-6,2-6 | |
| Challenger Concepcion | 04/22 18:10 | 19 | Stefanos Sakellaridis v Gabriel Decamps | 6-4,6-4 | |
| Challenger Concepcion | 04/21 18:55 | 14 | Alejandro Bancalari v Gabriel Decamps | 3-6,2-6 | |
| ITF - Santiago M15 | 04/19 18:30 | 27 | Daniel Antonio Nunez v Gabriel Decamps | 6-4,6-1 | |
| ITF - Santiago M15 | 04/18 17:50 | 26 | Felipe Pagnacco v Gabriel Decamps | 2-6,1-6 | |
| ITF - Santiago M15 | 04/16 22:55 | 25 | Thiago Cigarran v Gabriel Decamps | 5-7,6-7 | |
| ITF - Heraklion M15 | 03/27 11:25 | 25 | Demetris Azoides v Gabriel Decamps | 6-2,5-7,6-4 | |
| ITF - Heraklion M15 | 03/22 13:05 | 27 | Gabriel Decamps v Martin Klizan | Retired | |
| ITF - Heraklion M15 | 03/21 08:00 | 26 | Gabriel Decamps v Ofek Shimanov | 3-6,6-2,6-0 | |
| ITF - Heraklion M15 | 03/19 10:30 | 25 | Gabriel Decamps v Gian M Di Natale | 6-4,6-2 | |
| ITF - Les Franqueses M15 | 03/16 09:00 | 28 | Adria Soriano Barrera v Gabriel Decamps | 6-3,7-6 |
Gabriel Décamps (born 7 August 1999) is a Brazilian tennis player.
Décamps has a career high ATP singles ranking of 262 achieved on 19 September 2022. He also has a career high doubles ranking of 406 achieved on 6 March 2023.
Décamps has won 1 ATP Challenger doubles title at the 2022 Shymkent Challenger with Antoine Bellier.
Décamps played college tennis at Central Florida.
In April 2023, Décamps announced his temporary withdrawal of professional tennis due mental health issues.
In September 2023, Décamps returned his tennis activities after a five months temporary withdrawal.