ATP roundup: Diego Schwartzman delays retirement with gritty three-set win

Diego Schwartzman (32) is not yet prepared to bid farewell to his hometown supporters, as he advanced in the Buenos Aires tournament on Wednesday.

The Argentinian, competing in his final event prior to retirement, triumphed over seventh-seeded Chilean Nicolas Jarry with a score of 7-6(10), 4-6, 6-3 in the opening round of the IEB+ Argentina Open.

Other notable victors on the clay courts included top seed Alex Zverev from Germany, who defeated Serbia's Dusan Lajovic 6-4, 6-4, and Brazilian Joao Fonseca, who overcame eighth-seeded Tomas Martin Etcheverry of Argentina with a score of 6-3, 6-3, making him the third-youngest champion in the tournament's history at just 18 years and five months.

Fourth-seeded Alejandro Tabilo of Chile and sixth-seeded Sebastian Baez of Argentina faced unexpected defeats, while fifth-seeded Francisco Cerundolo of Argentina secured a victory against his brother Juan Manuel Cerundolo with a score of 6-2, 6-3.

In the Delray Beach Open, third-seeded Alex Michelsen, a 20-year-old from California, progressed to the quarterfinals after fellow American Michael Mmoh retired in the second set. Mmoh had taken the first set 7-6(8) but retired while Michelsen was leading 3-0 in the second.

Most of the seeded players in action maintained their positions, with fifth-seeded Marcos Giron defeating fellow American Ethan Quinn in straight sets, 6-3, 6-4, and seventh-seeded Miomir Kecmanovic of Serbia advancing due to a walkover against Japan's Yoshihito Nishioka.

France's Arthur Rinderknech was the sole seeded player to experience defeat, as the ninth seed lost in straight sets to Great Britain's Cameron Norrie, with scores of 7-6(9), 6-2.

At the Open 13 Provence, Hamad Medjedovic of Serbia delivered a remarkable performance by defeating third-seeded Karen Khachanov of Russia 6-2, 6-3, thereby advancing to the quarterfinals of the indoor hardcourt tournament in Marseille, France.

Second-seeded Frenchman Ugo Humbert narrowly avoided an upset, overcoming Alexander Bublik of Kazakhstan with a score of 7-6(7), 6-4

Medjedovic is set to compete against Germany's Daniel Altmaier, who

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