# Gustavo Heide

Gustavo Heide (born 28 February 2002) is a Brazilian tennis player. He has a career high ATP singles ranking of world No. 142 achieved on 19 August 2024 and a doubles ranking of No. 197 achieved on 2 October 2023. Heide is currently the No. 5 tennis player from Brazil.

## Career
### 2023: First Challenger singles final, Top 250

He made it into his first singles Challenger final at the 2023 Open Bogotá but withdrew before the match handing the title to Thiago Agustin Tirante. Despite this, he reached the top 250 climbing more than 50 positions up in the rankings on 2 October 2023.
At the 2023 Pan American Games, Heide almost won a medal in singles, despite being only No. 252 in the world. He reached the semifinals, where he faced the tournament's top seed Facundo Díaz Acosta, ranked No. 109 in the world, and had match-point to close the game, but ended up losing in the tiebreak of the last set. In the bronze medal match, against compatriot Thiago Monteiro, he also lost in the last set tiebreak. In doubles, Heide, playing with Marcelo Demoliner, overcame the pro-Chilean crowd and took gold.
At the Montevideo Challenger, Heide reached the semifinals, losing again to Acosta.
For winning the IV Maria Esther Bueno Cup at the end of 2023, Heide earned an invitation to compete in the ATP 500 in Rio de Janeiro, in February 2024.

### 2024: ATP, Major and top 150 debuts, Challenger singles title

He participated in the tie between Brazil and Sweden for the Davis Cup World Qualifier, in February 2024.
At the ATP 500 tournament in Rio de Janeiro, he made his ATP debut as a wildcard, where he faced Chilean Tomás Barrios Vera but lost in the first round.
In March, Heide reached the semifinals of the Challenger in Santiago and soon after, at the inaugural Challenger in Asunción, Paraguay, he reached the final, defeating world No. 95 and top seed Juan Pablo Varillas. He won the championship match, lifting his maiden title by defeating his compatriot João Fonseca and made his top 200 debut at world No. 159 on 10 June 2024, moving more than 50 positions up in the rankings.
Ranked No. 174 at the time, Heide qualified for his first Grand Slam at the 2024 French Open after defeating Lukáš Klein, Bu Yunchaokete, and Matteo Gigante in the qualifying competition.

## ATP Challenger Tour finals
### Singles: 2 (1 title, 1 runner-up)

* Legend
* ATP Challenger Tour (1–1)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Loss | 0–1 | Sep 2023 | Bogotá, Colombia | Challenger | Clay | Thiago Agustín Tirante | walkover |
| Win | 1–1 | Mar 2024 | Asunción, Paraguay | Challenger | Clay | João Fonseca | 7–5, 6–7$^{(6–8)}$, 6–1 |

### Doubles: 4 (3 titles, 1 runner-up)

* Legend
* ATP Challenger Tour (3–1)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Win | 1–0 | Nov 2021 | Brasilia, Brazil | Challenger | Clay | Mateus Alves | Luciano Darderi Genaro Alberto Olivieri | 6–3, 6–3 |
| Win | 2–0 | Apr 2023 | Florianópolis, Brazil | Challenger | Clay | Pedro Boscardin Dias | Christian Oliveira Pedro Sakamoto | 6–2, 7–5 |
| Win | 3–0 | Aug 2023 | Santo Domingo, Dominican Republic | Challenger | Clay | Pedro Boscardin Dias | Diego Hidalgo Cristian Rodríguez | 6–4, 7–5 |
| Loss | 3–1 | Nov 2024 | Lima II, Peru | Challenger | Clay | Luís Britto | Karol Drzewiecki Piotr Matuszewski | 5–7, 4–6 |

## ITF World Tennis Tour finals
### Singles: 8 (6 titles, 2 runner-ups)

* Legend
* ITF WTT (6–2)
* Finals by surface
* Hard (0–0)
* Clay (6–2)
* Grass (0–0)
* Carpet (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score |
| Win | 1–0 | Sep 2021 | M15 Ibagué, Colombia | WTT | Clay | Alejandro Gómez | 7–6$^{(10–8)}$, 7–5 |
| Win | 2–0 | Sep 2021 | M15 Recife, Brazil | WTT | Clay | José Pereira | 6–4, 6–2 |
| Loss | 2–1 | Oct 2021 | M25 Rio do Sul, Brazil | WTT | Clay | Pedro Boscardin Dias | 6–7$^{(4–7)}$, 4–6 |
| Win | 3–1 | Nov 2021 | M15 Brasília, Brazil | WTT | Clay | Oscar José Gutierrez | 2–6, 6–0, 6–4 |
| Win | 4–1 | Oct 2022 | M25 Ibagué, Colombia | WTT | Clay | Gonzalo Lama | 6–3, 7–5 |
| Loss | 4–2 | Oct 2022 | M15 Manizales, Colombia | WTT | Clay | Jorge Panta | 1–6, 6–3, 6–7$^{(3–7)}$ |
| Win | 5–2 | Nov 2022 | M25 Salta, Argentina | WTT | Clay | Gonzalo Lama | 6–4, 6–4 |
| Win | 6–2 | Aug 2023 | M25 Trujillo, Peru | WTT | Clay | Juan Pablo Ficovich | 6–3, 6–0 |

### Doubles: 7 (3 titles, 4 runner-ups)

* Legend
* ITF WTT (3–4)
* Finals by surface
* Hard (0–0)
* Clay (3–4)
* Grass (0–0)
* Carpet (0–0)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score |
| Loss | 0–1 | Sep 2021 | M25 Medellín, Colombia | WTT | Clay | Pedro Boscardin Dias | Gilbert Klier Jr. João Lucas Reis da Silva | 4–6, 6–4, [8–10] |
| Win | 1–1 | Sep 2021 | M15 Recife, Brazil | WTT | Clay | Pedro Boscardin Dias | Daniel Dutra da Silva Marcelo Zormann | 7–6$^{(7–1)}$, 3–6, [10–8] |
| Loss | 1–2 | Oct 2021 | M25 Rio do Sul, Brazil | WTT | Clay | Pedro Boscardin Dias | Daniel Dutra da Silva Igor Marcondes | 4–6, 3–6 |
| Win | 2–2 | Nov 2021 | M25 Aparecida de Goiânia, Brazil | WTT | Clay | Daniel Dutra da Silva | Alejandro González Matías Zukas | 6–3, 6–3 |
| Loss | 2–3 | Oct 2022 | M25 Ibagué, Colombia | WTT | Clay | João Victor Couto Loureiro | Arklon Huertas del Pino Conner Huertas del Pino | 2–6, 6–7$^{(6–8)}$ |
| Loss | 2–4 | Nov 2022 | M25 Lajeado, Brazil | WTT | Clay | João Victor Couto Loureiro | Marcelo Zormann Orlando Luz | 3–6, 2–6 |
| Win | 3–4 | Dec 2022 | M25 Vacaria, Brazil | WTT | Clay | João Victor Couto Loureiro | Igor Gimenez Grigoriy Lomakin | 3–6, 7–6$^{(7–5)}$, [10–5] |