Facundo Bagnis
Facundo Bagnis is an Argentine inactive professional tennis player. He has a career-high singles ranking of World No. 55 reached in November 2016. Bagnis competed mainly on the ATP Challenger Tour where he has won 17 singles titles. He also won one ATP doubles title in Stuttgart.
Tennis career
2011-2013: ATP debut and first win, Maiden ATP title
Bagnis played in his first ATP World Tour match at the 2011 Movistar Open on January 31, 2011, losing to Santiago Giraldo in three sets,. He won his first tour-level match at 2012 Copa Claro, beating Leonardo Mayer.2014-2016: Major debut and first win, Top 55 debut & career best year-end ranking
Bagnis secured his biggest victory and first win at the Grand Slam level on his debut when he defeated Julien Benneteau in the first round of the 2014 French Open, winning the deciding set 18–16.He finished the 2016 season at a career-best year-end high of No. 56.
2021-2022: First ATP singles final, US Open third round
In 2021, Bagnis reached his first ATP semifinal at the Córdoba Open – Singles|Córdoba Open], where he lost to fifth seed Albert Ramos Viñolas in three sets. Two weeks later, at the Chile Open – Singles|Chile Open], he would go even further by making his first ATP final, where he lost to top seed Cristian Garín.Bagnis qualified to represent Argentina at the delayed Tennis at the [2020 Summer Olympics – Men's singles|Tokyo Summer Olympics].
At the 2021 US Open, he reached the third round of a Major for the first time in his career, defeating Taro Daniel and qualifier and fellow Argentine Marco Trungelliti.
He finished 2021 at a second-best year-end high of No. 76.
On 21 November 2022, following a Challenger title in Ambato La Gran Ciudad|Ambato], Ecuador, and a Challenger final in São Leopoldo, Brazil, he returned to the top 100 at a third best year-end high of No. 93.
2024-2025: Second ATP final, 45th career win
Ranked No. 207, as a qualifier at the 2024 Córdoba Open he recorded his 40th career main draw win, defeating wildcard Juan Manuel Cerúndolo. Next, he defeated eight seed Roberto Carballes Baena to reach the quarterfinals in straight sets. He reached his third career ATP semifinal defeating Jaume Munar also in straight sets. At 33 years old, he became the oldest Argentine ATP Tour semifinalist since Carlos Berlocq, 34, in 2017 Buenos Aires. He reached his second career final defeating previous year runner-up Federico Coria. He was the oldest player from South America to make an ATP event final in the Open Era surpassing Guillermo Vilas in 1986 Forest Hills. As a result, he climbed close to 70 positions up to return to the top 150. In just the third all-qualifier final since the inception of the ATP Tour in 1990, he lost to Luciano Darderi in straight sets. He again lost to Luciano Darderi at the 2024 Chile Open where he entered the main draw as a lucky loser.In July 2025, he qualified for the 2025 National Bank Open and won his first ATP 1000 match since April 2024 in Madrid Open|Madrid], defeating Vasek Pospisil in what was Pospisil last career match.
ITIA provisional tour suspension
Bagnis was given a provisional tour suspension on 18 October 2025, having failed an anti-doping test during the qualifying event at that year's US Open. His sample was found to contain the prohibited substance hydrochlorothiazide.ATP Tour career finals
Singles: 2 (0-2)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | ||||||||||||||||||||||||||||||||||||||||||||||
| Loss | 0–1 | [2021 Chile Open – Singles|] | Chile Open, Chile | 250 Series | Clay |  dts|Feb 2024Doubles: 1 (1 title)
|
dts|Sep 2008