Alcaraz, Sinner, Fritz among stars in action in Doha, Rio & Delray Beach
Carlos Alcaraz and Jannik Sinner headline a busy week on the ATP Tour, with three tournaments unfolding across Doha, Rio de Janeiro and Delray Beach, respectively.
The top two players in the PIF ATP Rankings spearhead a strong field at the Qatar ExxonMobil Open in Doha, a hard-court ATP 500 event. Meanwhile, Buenos Aires champion Francisco Cerundolo leads the draw at the clay-court Rio Open presented by Claro, and two-time Delray Beach Open champion Taylor Fritz is the top seed at the ATP 250 event in Florida.
ATPTour.com looks at five key storylines at each stop.
FIVE THINGS TO WATCH IN DOHA:
1) Alcaraz the man to beat: Alcaraz returns to competition for the first time since capturing his maiden Australian Open crown, a triumph with which the 22-year-old became the youngest man to complete the Career Grand Slam. Last year in Doha, Alcaraz fell to Jiri Lehecka in the quarter-finals on debut. This year, he begins against Arthur Rinderknech.
2) Sinner’s debut: Second seed Sinner is set for his Doha debut. The Italian will be eager to rebound from his painful five-set semi-final loss to Novak Djokovic in Melbourne and arrives chasing his 25th tour-level title — and first since lifting the Nitto ATP Finals trophy on home soil in November.
3) Former champions in draw: The draw features three past winners: defending champion Andrey Rublev, who also claimed the title in 2020 when the event was an ATP 250; 2023 titlist Daniil Medvedev; and 2024 champion Karen Khachanov.
4) Fils continues comeback: Arthur Fils, the former World No. 14, continues his comeback after an eight-month layoff due to a back injury. Competing in just his third tournament since returning, the unseeded Frenchman could meet third seed Alexander Bublik in the second round.
5) Cash/Glasspool eye response: Julian Cash and Lloyd Glasspool aim to regroup after their surprise second-round defeat at the Australian Open to James McCabe and Li Tu. The top seeds open against singles standouts Ugo Humbert and Arthur Rinderknech.
FIVE THINGS TO WATCH IN RIO DE JANEIRO:
1) In-form Cerundolo: Fresh from winning his maiden title on home soil in Buenos Aires, where he did not drop a set, Cerundolo enters the ATP 500 event in Rio brimming with confidence. The Argentine reached the semi-finals in 2022 and 2024, but the top seed will hope to go deeper during this campaign. He opens against countryman Mariano Navone.
What it means 🥹
The moment @FranCerundolo clinched the 2026 Buenos Aires title 🏆 pic.twitter.com/1CuuKGy04M
— ATP Tour (@atptour) February 15, 2026
2) Baez eyes three-peat: Sebastian Baez made history last year by becoming the first man to successfully defend the Rio crown. Now, the two-time reigning champion is pursuing his eighth ATP Tour title. After a semi-final showing in Buenos Aires — where he fell to Luciano Darderi — a potential rematch could loom in Brazil at the same stage.
3) Fonseca seeks first win of 2026: Joao Fonseca has endured a stop-start beginning to 2026, withdrawing from Brisbane and Adelaide before a first-round exit at the Australian Open and opening-match defeat in Buenos Aires, where he was defending champion. The 19-year-old Brazilian will draw confidence from his breakthrough moment in Rio in 2024, when he earned his first tour-level win against Fils.
4) Can Darderi push on? Luciano Darderi has enjoyed a strong start to the season by reaching the quarter-finals in Auckland, the fourth round at the Australian Open and the final in Buenos Aires. Set to rise to a career-high World No. 21 on Monday, the Italian will chase his fifth ATP Tour title in Rio, where he is the second seed.
5) Fonseca/Melo feature in doubles: Fonseca teams with veteran Marcelo Melo in doubles, giving the home crowd plenty to cheer. Melo lifted the trophy last year alongside Rafael Matos. French duo Sadio Doumbia and Fabien Reboul are the top seeds.
FIVE THINGS TO WATCH IN DELRAY BEACH:
1) Fritz targets third title: Taylor Fritz arrives in Florida riding high after a positive run to the Dallas final. The top seed is aiming for a third Delray Beach trophy, having won back-to-back editions in 2023 and 2024. He holds a 12-6 event record, according to the Infosys ATP Win/Loss Index.
2) Ruud’s return: Second seed Casper Ruud competes for the first time since he and his wife, Maria, welcomed their first child. The Norwegian reached the fourth round at the Australian Open and now looks to rediscover that level in his Delray debut.
[NO 1 CLUB]3) #NextGenATP Jodar: The 19-year-old Rafael Jodar recently turned professional after one season at the University of Virginia. The Spaniard impressed at the Next Gen ATP Finals presented by PIF in Jeddah and entered Delray Beach through the Next Gen Accelerator, designed to expand opportunities for rising stars aged 20 and under.
4) Strong American presence: Thirteen Americans feature in the main draw. Among the leading seeds are former champion Frances Tiafoe, 2024 finalist Tommy Paul and past Next Gen ATP Finals winners Learner Tien and Brandon Nakashima.
5) Johnson/Zielinski top seeds: Luke Johnson and Jan Zielinski return for the first time since their run to the Australian Open semi-finals. The pair sit fifth in the PIF ATP Live Doubles Teams Rankings and headline the doubles competition.
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