Gustavo Heide
| Country (sports) | Brazil | ||||||||||||||
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| Born | 28 February 2002 São Paulo, Brazil | ||||||||||||||
| Height | 1.91 m (6 ft 3 in) | ||||||||||||||
| Plays | Right-handed (two-handed backhand) | ||||||||||||||
| Coach | Arthur Rabelo | ||||||||||||||
| Prize money | US$ 390,817 | ||||||||||||||
| Singles | |||||||||||||||
| Career record | 4–7 | ||||||||||||||
| Career titles | 0 | ||||||||||||||
| Highest ranking | No. 142 (19 August 2024) | ||||||||||||||
| Current ranking | No. 229 (16 June 2025) | ||||||||||||||
| Grand Slam singles results | |||||||||||||||
| Australian Open | Q1 (2025) | ||||||||||||||
| French Open | 1R (2024) | ||||||||||||||
| Wimbledon | Q1 (2024) | ||||||||||||||
| US Open | Q1 (2024) | ||||||||||||||
| Doubles | |||||||||||||||
| Career record | 0–0 | ||||||||||||||
| Career titles | 0 | ||||||||||||||
| Highest ranking | No. 197 (2 October 2023) | ||||||||||||||
| Current ranking | No. 362 (16 June 2025) | ||||||||||||||
Medal record
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| Last updated on: 16 June 2025. | |||||||||||||||
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 Brazilian singles player.