| ITF M25 Portimao | 03/08 14:40 | 25 | [480] 카카오, 티아고 v Decamps, Gabriel [385] | 3-6,2-6 | |
| ITF M25 Vale Do Lobo | 02/26 10:30 | 28 | 모로 카나스, 알레잔드로 v Decamps, Gabriel | 6-3,6-4 | |
| ITF M25 Vale Do Lobo | 02/25 13:30 | 27 | Decamps, Gabriel v 에체베리아, 존 | 6-7,6-4,6-1 | |
| ITF M25 Vale Do Lobo | 02/24 14:10 | 26 | Decamps, Gabriel v 메르텐스, 야니크 | 6-3,6-1 | |
| ITF M25 Vale Do Lobo | 02/23 14:40 | 25 | Decamps, Gabriel v 곤잘레즈 페르난데즈, 마리오 | 6-4,6-2 | |
| Bengaluru 2, India, Qualifying | 02/13 06:20 | 14 | [467] Decamps, Gabriel v 발라지, N. 스리람 [156] | 6-4,1-6,4-6 | |
| Challenger Bengaluru | 02/11 05:30 | 27 | [190] 트셍, 춘 흐신 v Decamps, Gabriel [467] | 6-4,6-4 | |
| Challenger Bengaluru | 02/09 07:20 | 26 | [196] 모로니, 기안 마르코 v Decamps, Gabriel [467] | 2-6,7-5,6-7 | |
| Challenger Bengaluru | 02/08 04:30 | 25 | [467] Decamps, Gabriel v 가이오, 페데리코 [176] | 6-3,6-3 | |
| Challenger Bengaluru | 02/07 04:30 | 19 | [224] 페레이라 실바, 페레데리코 v Decamps, Gabriel [468] | 5-7,4-6 | |
| Challenger Bengaluru | 02/06 04:30 | 14 | 라와트, 시달트 v Decamps, Gabriel | 2-6,4-6 | |
| ITF M25 Monastir | 01/26 10:10 | 25 | Decamps, Gabriel v Topo, Marko | 5-7,1-6 | |
| ITF M25 Vilnius | 01/21 10:00 | 28 | 예브세예브, 데니스 v Decamps, Gabriel | 6-3,6-2 | |
| ITF M25 Vilnius | 01/20 08:00 | 27 | Decamps, Gabriel v 리우나레비치, 이반 | 6-2,6-3 | |
| ITF M25 Vilnius | 01/19 08:00 | 26 | [372] 마로즈산, 파비안 v Decamps, Gabriel [494] | 4-6,4-6 | |
| ITF M25 Vilnius | 01/18 16:00 | 25 | Decamps, Gabriel v Colson, Tibo | 6-3,6-4 | |
| Challenger Rio De Janeiro | 12/18 19:55 | 28 | 우치다, 카이치 v Decamps, Gabriel | 6-2,6-3 | |
| Challenger Rio De Janeiro | 12/17 18:00 | 27 | Decamps, Gabriel v 두트라 다 실바, 다니엘 | 6-4,4-6,6-2 | |
| Challenger Rio De Janeiro | 12/16 20:00 | 26 | 고메즈, 알레잔드로 v Decamps, Gabriel | 6-3,4-6,1-6 | |
| Challenger Rio De Janeiro | 12/15 13:00 | 25 | Decamps, Gabriel v 바리엔토스, 니콜라스 | 6-1,6-4 | |
| ITF M15 Monastir | 11/28 09:00 | 29 | Guy Den Ouden v Decamps, Gabriel | 6-3,6-4 | |
| ITF M15 Monastir | 11/27 10:30 | 28 | Kasnikowski, Maks v Decamps, Gabriel | 6-1,3-6,0-6 | |
| ITF M15 Monastir | 11/26 09:30 | 27 | Decamps, Gabriel v Soriano Barrera, Adria | 6-2,6-2 | |
| ITF M15 Monastir | 11/25 10:00 | 26 | Decamps, Gabriel v Topo, Marko | Walkover | |
| ITF M15 Monastir | 11/23 09:00 | 25 | Decamps, Gabriel v 사다오우이, 메흐디 | 6-1,6-1 | |
| ITF M15 Monastir | 11/20 08:30 | 28 | 부지그, 모에라니 v Decamps, Gabriel | 7-5,6-2 | |
| ITF M15 Monastir | 11/19 11:30 | 27 | Decamps, Gabriel v Kasnikowski, Maks | 7-6,6-2 | |
| ITF M15 Monastir | 11/18 11:40 | 26 | Decamps, Gabriel v Brigida, Omar | 6-4,6-2 | |
| ITF M15 Monastir | 11/16 11:30 | 25 | Decamps, Gabriel v Danilo Ilic | 6-0,6-0 | |
| ITF M25 Sarreguemines | 10/29 16:55 | 27 | Decamps, Gabriel v 온클린, 가우시어 | Retired |
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.