Ingrid Gamarra Martins
Ingrid Gamarra Martins is a Brazilian professional tennis player.
She has career-high WTA rankings of 539 in singles, achieved on 16 March 2020, and 524 in doubles, set on 6 April 2015.
Gamarra Martins made her main-draw debut on the WTA Tour at the 2015 Rio Open, in the doubles event partnering Carolina Alves.
ITF Circuit finals
Singles: 5 (4 titles, 1 runner–up)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | Oct 2016 | ITF Charleston, United States | 10,000 | Clay |  Nicole Coopersmith | 3–6, 4–6 |
| Win | 1–1 | Jul 2019 | ITF Cancún, Mexico | 15,000 | Hard |  Thaisa Grana Pedretti | 7–6, 7–6 |
| Win | 2–1 | Aug 2019 | ITF Cancún, Mexico | 15,000 | Hard |  Emilie Lindh | 6–1, 6–3 |
| Win | 3–1 | Jan 2020 | ITF Cancún, Mexico | 15,000 | Hard | Taylor Ng | 6–3, 6–2 |
| Win | 4–1 | Feb 2020 | ITF Cancún, Mexico | 15,000 | Hard |  Verena Meliss | 6–7, 7–5, 6–4 |
Doubles: 9 (5 titles, 4 runners–up)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Apr 2014 | ITF São José do Rio Preto, Brazil | 10,000 | Clay | Carolina Meligeni Alves | Maria Fernanda Alves Paula Cristina Gonçalves | 2–6, 0–6 |
| Loss | 0–2 | Jun 2014 | ITF Villa María, Argentina | 10,000 | Clay | Eduarda Piai |  Sofía Luini Ana Madcur | 2–6, 6–4, |
| Loss | 0–3 | Jul 2014 | ITF Campos do Jordão, Brazil | 15,000 | Hard | Carolina Alves | Nathaly Kurata Giovanna Tomita | 3–6, 2–6 |
| Win | 1–3 | Mar 2015 | ITF Ribeirão Preto, Brazil | 10,000 | Clay |  Valeriya Strakhova | Melina Ferrero Carla Lucero | 6–0, 6–3 |
| Win | 2–3 | Jul 2016 | ITF Campos do Jordão, Brazil | 25,000 | Hard | Laura Pigossi | Maria-Fernanda Alves Luisa Stefani | 6–3, 3–6, |
| Win | 3–3 | Jul 2017 | ITF Campos do Jordão, Brazil | 15,000 | Hard |  Camila Giangreco Campiz | Nathaly Kurata Rebeca Pereira | 6–3, 7–6 |
| Loss | 3–4 | Jul 2019 | ITF Cancún, Mexico | 15,000 | Hard | Eduarda Piai | Hind Abdelouahid  Maria Kozyreva | 6–7, 4–6 |
| Win | 4–4 | Jul 2019 | ITF Cancún, Mexico | 15,000 | Hard | Eduarda Piai | Angela Kulikov Rianna Valdes | 6–7, 7–5, |
| Win | 5–4 | Feb 2020 | ITF Cancún, Mexico | 15,000 | Hard | Thaisa Grana Pedretti |  Eleonore Tchakarova Verginie Tchakarova | 6–2, 6–2 |