| Rome, USA | 02/23 16:00 | 26 | [235] 홍, 승찬 v Decamps, Gabriel [363] | 6-1,6-0 | |
| Rome, USA | 02/21 15:00 | 25 | [363] Decamps, Gabriel v 쿠키어만, 다니엘 [366] | 6-1,6-2 | |
| Tenerife, Spain | 01/15 11:50 | 14 | [322] Decamps, Gabriel v 굴비스, 에르네스츠 [311] | Retired | |
| Challenger Oeiras | 01/10 14:20 | 25 | [322] Decamps, Gabriel v 마르틴 티폰, 폴 [292] | 6-7,7-6,4-6 | |
| Challenger Oeiras | 01/09 13:25 | 19 | [322] Decamps, Gabriel v 데 스체퍼, 케니 [345] | 3-6,6-3,7-5 | |
| Challenger Oeiras Qual | 01/08 14:20 | 14 | Decamps, Gabriel v Rocha, Henrique | 7-5,6-3 | |
| Challenger Oeiras | 01/03 17:50 | 25 | [323] Decamps, Gabriel v 클라르크, 제이 [240] | 6-7,1-6 | |
| Challenger Temuco | 11/23 17:05 | 26 | [281] Decamps, Gabriel v 오테구이, 주안 바우티스타 [432] | 6-7,4-6 | |
| Challenger Temuco | 11/21 20:35 | 25 | [281] Decamps, Gabriel v 레이트, 윌슨 [417] | 6-3,6-0 | |
| Drummondville, Canada | 11/14 23:30 | 25 | [214] 갈라르네아우, 알렉시스 v Decamps, Gabriel [279] | 3-6,6-2,7-6 | |
| Challenger Calgary | 11/09 17:00 | 26 | [280] Decamps, Gabriel v 에스코피어, 안토니 [216] | 5-7,3-6 | |
| Challenger Calgary | 11/08 23:55 | 25 | 헤르테스, 조하네스 v Decamps, Gabriel | 5-7,4-6 | |
| Brest, France | 10/25 19:20 | 25 | [63] 본지, 벤자민 v Decamps, Gabriel [277] | 7-5,7-5 | |
| Vilnius, Lithuania | 10/18 10:00 | 25 | [277] Decamps, Gabriel v 파티크, 네르만 [195] | 4-6,5-7 | |
| Challenger Ismaning | 10/13 11:00 | 26 | [276] Decamps, Gabriel v 주크, 카크펠 [269] | 1-6,4-6 | |
| Challenger Ismaning | 10/11 19:10 | 25 | [436] 바친겔, 마티아스 v Decamps, Gabriel [276] | 0-6,6-1,4-6 | |
| Alicante, Spain | 10/03 13:45 | 25 | [228] 알바레즈 바로나, 니콜라스 v Decamps, Gabriel [264] | 6-2,7-5 | |
| Challenger Rennes | 09/12 15:35 | 25 | 치데크, 클레멘트 v Decamps, Gabriel | 6-2,5-7,6-1 | |
| Challenger Nonthaburi | 09/03 06:35 | 28 | [286] Decamps, Gabriel v Jasika, Omar [367] | Retired | |
| Challenger Nonthaburi | 09/02 05:25 | 27 | [286] Decamps, Gabriel v 가이오, 페데리코 [330] | 6-3,7-5 | |
| Challenger Nonthaburi | 09/01 04:40 | 26 | Decamps, Gabriel v 삼레이, 카시디트 | 6-4,6-4 | |
| Challenger Nonthaburi | 08/29 07:10 | 25 | [286] Decamps, Gabriel v 포민, 세르게이 [353] | 6-2,6-2 | |
| Challenger Nonthaburi | 08/24 05:15 | 26 | [341] 스위니, 단 v Decamps, Gabriel [280] | 6-3,6-4 | |
| Challenger Nonthaburi | 08/23 03:30 | 25 | [352] 포민, 세르게이 v Decamps, Gabriel [280] | Retired | |
| Grodzisk Mazowiecki, Poland | 08/19 12:00 | 27 | [295] 마요트, 하롤드 v Decamps, Gabriel [302] | 6-4,7-6 | |
| Grodzisk Mazowiecki, Poland | 08/18 08:30 | 26 | [302] Decamps, Gabriel v 오프넬, 세바스티안 [224] | 7-6,6-4 | |
| Grodzisk Mazowiecki, Poland | 08/16 12:25 | 25 | [302] Decamps, Gabriel v 크루티크, 올레크시 [270] | 6-7,6-2,7-6 | |
| Segovia, Spain | 07/26 11:40 | 25 | [307] Decamps, Gabriel v 훔베르트, 우고 [152] | 3-6,4-6 | |
| Segovia, Spain | 07/25 09:00 | 19 | [307] Decamps, Gabriel v 본다레브스키, 얀 [448] | 6-2,6-4 | |
| Segovia, Spain | 07/24 08:00 | 14 | [328] Decamps, Gabriel v 세르반테스 후에건, 이니고 [304] | 7-5,6-2 |
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.