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Stefanos Tsitsipas, Carlos Alcaraz and Taylor Fritz are all in action this week.

Scouting Report: Tsitsipas, Alcaraz & Fritz Lead Rotterdam, Buenos Aires & Delray Beach Fields

An executive summary of what every fan should know about the coming week

A three-tournament week on the ATP Tour sees a host of Top 10 stars in action across three continents.

Defending champion Felix Auger-Aliassime returns to the ABN AMRO Open, an ATP 500 event in Rotterdam, while Taylor Fritz is the top seed at the Delray Beach Open, an ATP 250 hard-court tournament. Carlos Alcaraz competes for the first time this year and headlines the field at the Argentina Open, a clay-court ATP 250.

ATPTour.com looks at five things to watch at each event.

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View Draws: Rotterdam | Buenos Aires | Delray Beach

1) Tsitsipas Top Seed: World No. 3 Stefanos Tsitsipas will aim to continue his strong start to the season when he headlines the field in Rotterdam. The Greek, who reached his second Grand Slam final at the Australian Open last month, has performed well at the ATP 500 event, reaching the semi-finals in 2021 before he advanced to the championship match last year. Tsitsipas opens against Emil Ruusuvuori and could play Jannik Sinner in the second round.

2) Defending Champion Felix: Auger-Aliassime broke new ground in Rotterdam last year when he defeated Tsitsipas to lift his first ATP Tour trophy. The 22-year-old Canadian entered the match holding a 0-8 record in tour-level finals, but quickly came out firing to improve on that record. The third seed is competing for the first time since he reached the fourth round at the Australian Open.

3) Seeded Threats: Second seed Andrey Rublev and fifth seed Hubert Hurkacz have both tasted success at ATP 500 events. Rublev has lifted five trophies at this level, including the Rotterdam title in 2021, while Hurkacz triumphed at Halle last year. Rublev opens his campaign against Alex de Minaur with Hurkacz facing Roberto Bautista Agut.

4) Can Sinner & Rune Maintain Momentum?: Sinner and Holger Rune arrive in Rotterdam off the back of deep runs in Montpellier. Rune advanced to the semi-finals, with Sinner competing in the final on Sunday. Sinner reached the quarter-finals at the indoor hard-court event in Rotterdam in 2020, while fourth seed Rune is making his debut.

5) Koolhof/Skupski Lead Doubles Field: Wesley Koolhof and Neal Skupski captured seven tour-level titles in 2022 but are still searching for their first crown this year. The Dutch-British tandem faces competition from second seeds Nikola Mektic and Mate Pavic, third seeds Ivan Dodig and Austin Krajicek and fourth seeds Lloyd Glasspool and Harri Heliovaara.

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1) Fritz Headlines: Taylor Fritz will make his sixth appearance at the ATP 250 event in Delray Beach when he headlines the field as the top seed. The American, who is still alive in Dallas this week, has never been beyond the quarter-finals at the tournament. He will be aiming to change that record starting against Emilio Gomez or a qualifier.

2) Paul & Shapovalov In Action: Tommy Paul arrives in Delray Beach high in confidence after soaring to the semi-finals at the Australian Open. The second seed, who reached the semi-finals at the ATP 250 in 2022, will be seeking his second tour-level title. Third seed Denis Shapovalov is making his second appearance in Florida, having advanced to the semi-finals in 2018.

3) Shelton In Action: #NextGenATP American Ben Shelton caught the attention of the tennis world in January when he reached the quarter-finals at the Australian Open on his first trip outside of the United States. Back on home soil this week, the eighth seed begins against Marcos Giron at the hard-court tournament.

4) Americans Pack Field: There are 11 American men in the draw in Florida, not including qualifiers. Seventh seed John Isner plays countryman J.J. Wolf, with 2017 champion Jack Sock receiving a wild card. Sixth seed Jenson Brooksby opens against Ilya Ivashka.

5) Arevalo/Rojer Reigning Champs: Marcelo Arevalo and Jean-Julien Rojer return to Delray beach as defending champions. The top seeds are joined in the draw by second seeds Jamie Murray and Michael Venus.

1) Alcaraz Returns: World No. 2 Alcaraz will compete for the first since November when he leads the field as the top seed at the ATP 250 event in Buenos Aires. The 19-year-old, who missed the Australian Open due to a leg injury, is making his debut in Buenos Aires. The Spaniard tasted success on clay in 2022, clinching crowns in Rio de Janeiro, Barcelona and Madrid.

2) Norrie Makes Debut: Cameron Norrie will make his debut in Buenos Aires this week, after competing in Colombia for Great Britain in the Davis Cup earlier this month. The second seed arrives holding a 10-2 record on the year, earning Top 10 wins against Rafael Nadal and Taylor Fritz at the United Cup.

3) Returning Champions: Diego Schwartzman and Dominic Thiem have both tasted success in Buenos Aires. The Argentine Schwartzman lifted the trophy in 2021, while Thiem won the title in 2016 and 2018. Schwartzman is the fourth seed at the clay-court event, with Austrian Thiem receiving a wild card.

4) Home Hopes: Alongside Schwartzman, Francisco Cerundolo and Sebastian Baez will fly the flag for Argentina. Cerundolo came through qualifying to reach the final in Buenos Aires in 2021, while Baez made the quarter-finals on debut last year.

5) Granollers/Zeballos Top Seed: Marcel Granollers and Horacio Zeballos are the top seeds in the doubles draw, with Rafael Matos and David Vega Hernandez seeded second. Singles stars Diego Schwartzman and Dominic Thiem are joining forces.