| ITF M15 Zahra | 12/13 08:30 | 25 | Decamps, Gabriel v 바서만, 데니 | 6-4,3-6,2-6 | |
| ITF M15 Zahra | 12/06 10:10 | 25 | Decamps, Gabriel v Bakshi, Aleksandre | 4-6,6-7 | |
| Challenger Temuco | 11/28 20:00 | 25 | Decamps, Gabriel v 빅넬, 블라이스 | 7-6,4-6,6-7 | |
| Challenger Temuco | 11/27 13:00 | 19 | Decamps, Gabriel v 후엘타스 델 피노, 코놀 | 6-0,6-2 | |
| Challenger Temuco | 11/26 13:00 | 14 | Decamps, Gabriel v 카스트로, 크리스토발 | 6-2,6-0 | |
| Challenger Brasilia | 11/19 13:00 | 14 | 사카모토, 페드로 v Decamps, Gabriel | 6-1,3-6,7-6 | |
| Drummondville, Canada | 11/12 22:20 | 14 | Decamps, Gabriel v Benjamin Thomas George | 3-6,6-4,1-6 | |
| Challenger Calgary | 11/05 18:30 | 14 | Decamps, Gabriel v 존스, 벤 | 3-6,4-6 | |
| ITF M15 Heraklion | 10/27 07:00 | 27 | 폰트조디크로모, 시단 v Decamps, Gabriel | Walkover | |
| ITF M15 Heraklion | 10/26 07:00 | 26 | Decamps, Gabriel v 크레투, 케잘 (로우) | 7-5,7-5 | |
| ITF M15 Heraklion | 10/25 12:05 | 25 | 스치나스, 스테파노스 v Decamps, Gabriel | 2-6,3-6 | |
| ITF M15 Heraklion | 10/20 08:35 | 27 | 파커, 스투알트 v Decamps, Gabriel | 4-6,6-3,6-3 | |
| ITF M15 Heraklion | 10/19 08:45 | 26 | 덴 헤이젤, 구이 v Decamps, Gabriel | 2-6,4-6 | |
| ITF M15 Heraklion | 10/17 09:00 | 25 | 비스커, 니엘스 v Decamps, Gabriel | 5-7,2-6 | |
| ITF M15 Sharm El Sheikh | 10/07 07:00 | 28 | Decamps, Gabriel v 사프와트, 모하메드 | 6-3,4-6,4-6 | |
| ITF M15 Sharm El Sheikh | 10/06 07:00 | 27 | 포민, 세르게이 v Decamps, Gabriel | 4-6,2-6 | |
| ITF M15 Sharm El Sheikh | 10/05 09:05 | 26 | 보시오, 가브리엘 v Decamps, Gabriel | 5-7,1-6 | |
| ITF M15 Sharm El Sheikh | 10/04 12:25 | 25 | Aidaraly, Alibek v Decamps, Gabriel | 0-6,0-6 | |
| Challenger Rennes | 09/11 12:20 | 19 | Gabriel Debru v Decamps, Gabriel | 7-5,7-6 | |
| Challenger Rennes | 09/10 12:45 | 14 | 아리바게, 테오 v Decamps, Gabriel | 4-6,3-6 | |
| ITF M15 Budapest | 09/08 09:50 | 27 | Kaukovalta, Patrick v Decamps, Gabriel | 7-6,6-2 | |
| ITF M15 Budapest | 09/07 12:15 | 26 | Peter Nad v Decamps, Gabriel | 6-1,3-6,4-6 | |
| ITF M15 Budapest | 09/06 10:00 | 25 | Josip Simundza v Decamps, Gabriel | 1-6,4-6 | |
| ITF M15 Budapest | 09/03 08:00 | 29 | Decamps, Gabriel v 후세이, 길레스 | 6-2,3-6,3-6 | |
| ITF M15 Budapest | 09/02 10:00 | 28 | 푸엘, 마티아스 v Decamps, Gabriel | 3-6,3-6 | |
| ITF M15 Budapest | 09/01 10:00 | 27 | Decamps, Gabriel v 세트키크, 알딘 | Retired | |
| ITF M15 Budapest | 08/31 10:25 | 26 | Decamps, Gabriel v Wiskandt, Max | 6-2,6-3 | |
| ITF M15 Budapest | 08/29 17:00 | 25 | Decamps, Gabriel v Amit Vales | 0-6,6-4,7-5 | |
| Challenger Barletta | 04/02 08:00 | 14 | [498] 파울, 야콥 v Decamps, Gabriel [366] | 6-1,6-2 | |
| Challenger Sanremo | 03/26 10:40 | 14 | [202] 바바소리, 안드레아 v Decamps, Gabriel [366] | 6-0,6-1 |
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.