| Challenger - Nur-Sultan | 07/22 07:40 | 27 | [341] Denis Yevseyev v Gabriel Decamps [328] | 6-4,2-6,6-4 | |
| Challenger - Nur-Sultan | 07/20 11:15 | 26 | [328] Gabriel Decamps v Mikhail Kukushkin [213] | 6-3,6-7,6-3 | |
| Challenger - Nur-Sultan | 07/19 05:25 | 25 | [361] Ivan Liutarevich v Gabriel Decamps [328] | 6-2,3-6,4-6 | |
| Challenger - Porto | 07/05 09:00 | 25 | [332] Gabriel Decamps v Egor Gerasimov [144] | 7-6,4-6,1-6 | |
| Challenger - Porto | 07/04 11:40 | 19 | Gabriel Decamps v Duarte Vale | 6-2,6-3 | |
| Challenger - Porto | 07/03 16:45 | 14 | [332] Gabriel Decamps v Fabio Coelho [496] | 6-2,6-1 | |
| Challenger - Málaga | 06/28 13:15 | 25 | [332] Gabriel Decamps v Michael Mmoh [177] | 5-7,1-6 | |
| Challenger - Málaga | 06/27 08:30 | 19 | [331] Gabriel Decamps v Johannes Haerteis [439] | 6-4,6-1 | |
| Challenger - Blois | 06/14 13:00 | 25 | [340] Gabriel Decamps v Camilo Ugo Carabelli [131] | 2-6,3-6 | |
| Challenger - Blois | 06/13 11:40 | 19 | Gabriel Decamps v Calvin Hemery | 7-6,4-6,6-3 | |
| Challenger - Blois | 06/12 12:05 | 14 | [288] Maxime Janvier v Gabriel Decamps [370] | 7-6,6-7,5-7 | |
| Challenger - Lyon | 06/08 09:00 | 26 | [370] Gabriel Decamps v Alexey Vatutin [331] | 5-7,1-6 | |
| Challenger - Lyon | 06/07 11:35 | 25 | [370] Gabriel Decamps v Thiago Seyboth Wild [264] | 6-2,6-3 | |
| Challenger - Lyon | 06/06 08:00 | 19 | [371] Kenny de Schepper v Gabriel Decamps [370] | 2-6,6-7 | |
| Challenger - Lyon | 06/05 08:00 | 14 | [398] Shintaro Mochizuki v Gabriel Decamps [368] | 3-6,5-7 | |
| ITF - M25 - La Nucia | 06/02 12:35 | 26 | Daniel Rincon v Gabriel Decamps | 7-6,6-3 | |
| ITF - M25 - La Nucia | 06/01 14:40 | 25 | Pol Amoros Ramos v Gabriel Decamps | 0-6,0-6 | |
| Challenger - Shymkent | 05/18 06:20 | 26 | [384] Gabriel Decamps v Illya Marchenko [252] | 1-6,1-6 | |
| Challenger - Shymkent | 05/16 10:10 | 25 | [350] Mikael Torpegaard v Gabriel Decamps [384] | 2-6,4-6 | |
| Challenger - Shymkent | 05/09 08:05 | 25 | [381] Gabriel Decamps v Illya Marchenko [254] | 3-6,1-6 | |
| Challenger - Shymkent | 05/08 04:00 | 14 | Gabriel Decamps v Savriyan Danilov | Cancelled | |
| Challenger - Aix-en-Provence | 05/01 14:10 | 14 | [415] Martin Cuevas v Gabriel Decamps [376] | 6-0,6-3 | |
| Challenger - Aguascalientes | 04/17 18:30 | 14 | [455] Matias Zukas v Gabriel Decamps [373] | 6-1,6-3 | |
| Challenger - San Luis Potosi | 04/10 19:40 | 14 | [373] Gabriel Decamps v Elmar Ejupovic [450] | 3-6,6-7 | |
| Challenger - Sanremo | 04/04 08:00 | 19 | [373] Gabriel Decamps v Edoardo Lavagno [392] | 2-6,6-7 | |
| Challenger - Sanremo | 04/03 08:00 | 14 | Gabriel Decamps v Simon Carr | 7-5,7-5 | |
| Challenger - Biel | 03/20 09:00 | 14 | [418] Georgii Kravchenko v Gabriel Decamps [385] | Cancelled | |
| ITF - M25 - Loulé | 03/17 16:55 | 25 | Adria S Barrera v Gabriel Decamps | 7-5,6-2 | |
| ITF - M25 - Portimão | 03/11 11:30 | 27 | [260] Marius Copil v Gabriel Decamps [385] | 4-6,6-3,7-6 | |
| ITF - M25 - Portimão | 03/10 11:45 | 26 | [385] Gabriel Decamps v Michael Vrbensky [393] | 6-3,6-3 |
Gabriel Décamps (* 7. August 1999 in São Paulo) ist ein brasilianischer Tennisspieler.