2006: Breaking top 200 Granollers made the first round of the
Wimbledon tournament in 2006, but lost to
Andrei Pavel. In the qualifying rounds, he beat
Stéphane Robert,
Konstantinos Economidis and
Marco Chiudinelli.
2007: Breaking top 150 In 2007, Granollers won the
Naples and Rome Challengers for doubles with
Flavio Cipolla, and the
Maspalomas Challenger for doubles with
Marc López. At the
2007 French Open, he made the second round of the men's doubles tournament with
Feliciano López before they lost in three close sets to the number 4 seeds
Fabrice Santoro and
Nenad Zimonjić, who won 7–5, 1–6, 6–4. He lost at the French and Wimbledon Championships both times in the second round of qualifying for the main draws.
2008: Top 60 & first ATP title in singles 2008 saw Granollers qualify for the
Australian Open Singles Draw, but lost to
Evgeny Korolev in straight sets in the first round. He reached the quarterfinals of the
2008 Abierto Mexicano Telcel in
Acapulco, Mexico, an
International Series Gold tournament, before losing to
José Acasuso 7–6, 6–3. On 20 April, he won his first ATP singles title at the
U.S. Men's Clay Court Championships, defeating World No. 8
James Blake in the final. He had saved two match points in the semifinals. The previous day, he and
Pablo Cuevas lost in the doubles final. Following Rafael Nadal's announcement that he would not play the Davis Cup Final at Argentina on 21–23 November, Spain's Captain
Emilio Sánchez announced that Marcel Granollers would replace Nadal. This was Granollers' first Davis Cup appearance, although he did not play any matches.
2009: Three titles & top 25 debut in doubles In 2009, Granollers won three ATP doubles titles at the
2009 Brasil Open, the
2009 Copa Telmex, and the
2009 Kremlin Cup, teaming up with
Tommy Robredo,
Alberto Martín, and
Pablo Cuevas respectively.
2010: First ATP 500 singles final In the first round of the
2010 Australian Open, Granollers pulled off a remarkable comeback when he recovered from 2 sets down against world no.8 and French Open
finalist,
Robin Söderling. He then lost to
Alejandro Falla in the 2nd round.
2011: Top 30 debut & first ATP 500 title in singles Granollers lost in the first round of the Australian Open to eventual champion
Novak Djokovic, and he didn't win consecutive matches until the
2011 Miami Masters, where he got to the fourth round. In July, he beat
Stanislas Wawrinka,
Mikhail Youzhny, and
Fernando Verdasco to win his first title of the year and his second career title at the
Swiss Open. In the US Open, he reached the third round of a Grand Slam for the first time in his career, to break into the top 30. In November, Granollers claimed the title at the
Valencia Open by defeating Juan Mónaco in three sets and said, "Winning here has been the biggest achievement in my whole career." He beat four Top 20 players:
Alexandr Dolgopolov,
Marin Čilić,
Gaël Monfils and
Juan Martín del Potro en route to the final at the
ATP World Tour 500 tournament.
2012: Top 20 singles debut, ATP Finals & first Masters doubles titles Marcel Granollers reached the fourth round of a Grand Slam for the first time at
French Open, losing to David Ferrer in three straight sets. Granollers lost to
Marin Čilić in the final match of
Croatia Open on 15 July 2012. Playing doubles alongside countryman
Marc López, he went 3–4 in finals, winning titles at the
Italian Open,
Swiss Open and the
ATP World Tour Finals. Granollers and Lopez were the first Spanish pair to play at the
season-ending championships since
Sergio Casal and
Emilio Sánchez in 1994. They won the title defeating Indian duo
Mahesh Bhupathi and
Rohan Bopanna in the final. He also partnered López at the 2012 Summer Olympics.
2013: Success in doubles as World No. 4 & in singles with fourth title Granollers reached a career-high ranking of World No. 4 in doubles on 25 February 2013. He made it also to the fourth round of the US Open in singles for the first time, where he lost to top-seed
Novak Djokovic in straight sets.
2014: US & French Open doubles finalist, Two Masters semifinals In 2014, he had a very consistent doubles performances at the French and US Opens, making the finals at both events with partner
Marc López. They qualified for their third consecutive
ATP Finals where they lost in the round robin stage for a second year in a row.
2015–18: Second Masters doubles title, Three Masters finals Granollers suffered a significant loss in form, with only one tour-level late round appearance: the semifinals in
Zagreb Indoors losing to
Andreas Seppi. His 2015 year-end singles ranking dropped to No. 84. He reached the quarterfinals of the
2016 Monte-Carlo Rolex Masters before losing to
Gaël Monfils in straight sets, making the main draw as a lucky loser. He made it to the 4th round of the
2016 French Open after
Rafael Nadal withdrew from their 3rd round encounter. He lost out to
Dominic Thiem in 4 sets. In doubles, Granollers reached the finals in both the
2015 and
2017 Masters 1000 in Rome, with
Marc López and
Ivan Dodig respectively. He also reached the final of the
2017 Rolex Paris Masters with Dodig. In 2018, he won the
Paris Masters, partnering
Rajeev Ram.
2019–21: New partnership: US Open & Wimbledon finals, four Masters titles, back to top 5 With his new partner
Horacio Zeballos, Granollers won 6 titles starting in August 2019, and also made his first Grand Slam doubles final at the
2019 US Open, losing to the World No. 1 and top seeded pair Farah/Cabal. The pair won three Masters 1000: the
2019 Canadian Open, the
2020 Italian Open and the
2021 Mutua Madrid Open. As a result, he reentered the top 10 in doubles at World No. 9 on 9 September 2019 and No. 7 on 21 September 2020. He also reentered the top 5 on 12 July 2021 following the final at the
2021 Wimbledon Championships where they lost to World No. 1 and top seeds Mektic/Pavic. In August 2021, they reached a second Masters 1000 final for 2021 and fourth overall at the
2021 Western & Southern Open in Cincinnati defeating Arévalo/Fognini. They defeated
Austin Krajicek and
Steve Johnson in the final to win their fourth Masters.
2022: Two Grand Slam semifinals, five Masters quarterfinals, third straight ATP Finals Granollers and Zebalos qualified for their third consecutive ATP Finals, having advanced to the semifinals of the year-end championships in 2020 and 2021. It was Granollers seventh participation.
2023: 25th title, fourth straight ATP Finals & second final At the
2023 Australian Open Granollers and Zeballos reached back-to-back semifinals. At the
2023 French Open they upset top seeds
Wesley Koolhof and
Neal Skupski to reach also back-to-back semifinals. They lost to eventual champions
Ivan Dodig and
Austin Krajicek. The pair won their first Masters of the season and fifth overall as a team at the
2023 Rolex Shanghai Masters. As a result, he returned to the top 10 on 16 October 2023. Granollers and Zebalos qualified for their fourth consecutive
ATP Finals. It was Granoller's eight participation. Granollers with Zeballos reached his second ATP Finals championship match but lost to
Joe Salisbury and
Rajeev Ram.
2024–25: 500th win, World No. 1, French Open champion At the
2024 BNP Paribas Open in Indian Wells, Granollers and Zeballos reached the final, saving a match point. At the
2024 Miami Open where he reached the semifinals, he recorded his 500th doubles career win en route. At the
2024 Monte-Carlo Masters Granollers and Zeballos reached their third Masters semifinal in a row. A week later, on 22 April 2024, he reached a new career-high doubles ranking of world No. 3. At the next Masters 1000, the
2024 Mutua Madrid Open, with Zeballos, he reached the quarterfinals and both players moved into a new career-high ranking of No. 2. With reaching their fourth Masters semifinal of the season, with a win over
Hugo Nys and
Jan Zielinski, they became joint World No. 1 on 6 May 2024. They won their sixth Masters title as a team defeating
Marcelo Arévalo and
Mate Pavić. At the
2024 French Open, they reached their third consecutive semifinal at this Major defeating 15th seeds Hugo Nys and Jan Zieliński, and then
Tomas Machac and
Zhang Zhizhen. He won his ninth Masters title at the
2024 National Bank Open, second for the year and at this tournament, and tenth as a team with Zeballos. Granollers and Zeballos reached the
2025 French Open final, their fourth major final together, defeating
Hugo Nys and
Edouard Roger-Vasselin. They defeated
Joe Salisbury and
Neal Skupski in the final, 6–0, 6–7(5–7), 7–5 to win title. It was both players' first
Grand Slam men's doubles title, following five previous runner-up finishes for Granollers and three for Zeballos. ==Playing style==