MartÃÂn Landaluce Lacambra (born 8 January 2006) is a Spanish professional tennis player. He has a career-high ATP singles ranking of world No. 106 achieved on 30 March 2026 and a best doubles ranking of No. 543, reached on 22 May 2023.
Landaluce has won two singles titles on the ATP Challenger Tour.
He reached an ITF junior combined ranking of world No. 1 on 27 February 2023.
Landaluce was born in Madrid, Spain, to parents Alejandro Landaluce and Elena Lacambra. He has two siblings, Alejandra and Lucas.
Landaluce has trained at the Rafa Nadal Tennis Academy since his childhood.
Landaluce won the boys' singles category at the 2022 US Open, defeating second seed Gilles-Arnaud Bailly in the final. He had good results on the ITF junior circuit, maintaining a 81âÂÂ25 singles win-loss record.
Landaluce made his ATP debut at the 2022 Gijón Open as a wildcard.
Landaluce received a wildcard for the qualifying event at the 2023 Barcelona Open. The following week, he received a wildcard for the main draw at the 2023 Mutua Madrid Open making his Masters 1000 debut.
In February, Landaluce won his first professional title on the ITF Men's Tour, at M25 Vila Real de Santo António, Portugal, where he defeated Uzbek Khumoyun Sultanov in the final.
Ranked No. 359, Landaluce received a wildcard for the main draw at the 2024 Miami Open making his debut at that tournament, where he defeated compatriot Jaume Munar in the first round for his first ATP Tour and Masters 1000 win. In the next round, he was defeated by 16th seed Ben Shelton in straight sets. He also received wildcards for the Barcelona Open and Mutua Madrid Open of that season.
In October, Landaluce won his maiden ATP Challenger title at the Olbia Challenger, Italy. At 18-years-old, Landaluce became the youngest Spanish champion at this level since Carlos Alcaraz at the Oeiras Open in 2021.
Landaluce made his Grand Slam debut after qualifying into the main draw of the 2025 Australian Open. He lost to wildcard entrant and local player James McCabe in the first round.
In September, Landaluce won his second 125-level Challenger singles trophy, at the CO'Met Orléans Open, France, defeating Belgian Raphaël Collignon in the final. As a result, he moved to fifth position in the ATP Live Race To Jeddah. In November, he officially qualified for the 2025 Next Gen ATP Finals, after being an alternate in the previous edition.
In March, Landaluce reached his first Masters 1000 quarterfinal at the 2026 Miami Open, as a qualifier. He defeated 17th seed Luciano Darderi, 14th seed Karen Khachanov, and 32nd seed Sebastian Korda. Ranked world No. 151, Landaluce became the lowest-ranked quarterfinalist at the event since No. 185 Jim Grabb in 1994. He was also the first player born in 2006 or later to advance to the last-eight stage at a Masters 1000 event. He lost to 21st seed Jià ÂàLeheÃÂka in the quarterfinals.
Current through the 2026 Miami Open.