Sebastián Báez
| Báez at the 2022 French Open | |||||||||||||||
| Country (sports) | Argentina | ||||||||||||||
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| Residence | Buenos Aires, Argentina | ||||||||||||||
| Born | 28 December 2000 Buenos Aires, Argentina | ||||||||||||||
| Height | 1.70 m (5 ft 7 in) | ||||||||||||||
| Turned pro | 2018 | ||||||||||||||
| Plays | Right-handed (two-handed backhand) | ||||||||||||||
| Coach | Sebastián Gutiérrez | ||||||||||||||
| Prize money | US $5,425,989 | ||||||||||||||
| Singles | |||||||||||||||
| Career record | 104–100 | ||||||||||||||
| Career titles | 7 | ||||||||||||||
| Highest ranking | No. 18 (24 June 2024) | ||||||||||||||
| Current ranking | No. 39 (9 June 2025) | ||||||||||||||
| Grand Slam singles results | |||||||||||||||
| Australian Open | 3R (2024) | ||||||||||||||
| French Open | 2R (2022, 2024) | ||||||||||||||
| Wimbledon | 2R (2022) | ||||||||||||||
| US Open | 3R (2023) | ||||||||||||||
| Other tournaments | |||||||||||||||
| Olympic Games | 3R (2024) | ||||||||||||||
| Doubles | |||||||||||||||
| Career record | 10–35 | ||||||||||||||
| Career titles | 0 | ||||||||||||||
| Highest ranking | No. 189 (29 July 2024) | ||||||||||||||
| Current ranking | No. 290 (9 June 2025) | ||||||||||||||
| Grand Slam doubles results | |||||||||||||||
| Australian Open | 1R (2023, 2024, 2025) | ||||||||||||||
| French Open | 2R (2024) | ||||||||||||||
| Wimbledon | 3R (2024) | ||||||||||||||
| US Open | 1R (2022, 2023) | ||||||||||||||
| Medal record 
 | |||||||||||||||
| Last updated on: 12 June 2025. | |||||||||||||||
Sebastián Báez (Spanish pronunciation: [seβasˈtjam ˈbaes]; born 28 December 2000) is an Argentine professional tennis player. He has a career-high ATP singles ranking of world No. 18, achieved on 24 June 2024 and a doubles ranking of world No. 189, achieved on 29 July 2024. Báez has won seven ATP singles titles. He is currently the No. 2 player from Argentina.