3–6 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Careertitles
0
Highestranking
No. 439 (16 October 2023)
Last updated on: 20 April 2026.
Ignacio Buse Acurio (born 25 March 2004) is a Peruvian professional tennis player. He has a career-high ATP singles ranking of world No. 58 achieved on 20 April 2026 and a best doubles ranking of No. 439, reached on 16 October 2023.[1] He is the current No. 1 singles player from Peru.[2]
Buse was a runner-up in the boys' doubles category at the 2022 French Open, with compatriot Gonzalo Bueno.
He had good results on the ITF junior circuit, maintaining a 77–38 singles win-loss record and reached an ITF junior combined ranking of world No. 9 on 3 January 2022.[4]
2023: First Challenger doubles final
In August, Buse reached his first Challenger doubles final in Lima partnering with Jorge Panta.[5]
2024: First Challenger singles final, top 250
In February, Buse received a wildcard for the qualifying competition at the 2024 Chile Open.
In August, he reached his first Challenger singles final in Como, losing to Gabriel Debru in the final.[6]
2025: Major, ATP and Top 125 debuts
In February, Buse made his ATP Tour debut at the 2025 Chile Open, where he received a main draw wildcard, where he lost in the first round to eventual champion Laslo Djere.[7][8]
In April, Buse reached the semifinals at the Aix Provence Open as a qualifier, with wins over second seed Luciano Darderi, his first top 50 win,[9] and Reilly Opelka.[10][11][12] As a result, Buse rose close to 40 positions up, reaching the top 175 in the singles rankings on 5 May 2025.[13]
In June, Buse won his maiden Challenger title at the 2025 Neckarcup 2.0, defeating Guy den Ouden in the final.[14][15] As a result he reached a career high singles ranking of world No. 152 on 9 June 2025.[1]
Buse entered his second ATP Tour tournament as a qualifier, at the Swiss Open and defeated fifth seed Laslo Djere, recording his first ATP win.[16] He reached his first ATP Tour semifinal by defeating Kamil Majchrzak in the second round,[17] and Román Andrés Burruchaga in the quarterfinals.[18] As a result Buse reached a new career-high in the top 150 on 21 July 2025.[1][19] He lost to Juan Manuel Cerúndolo in the semifinal.[20]
In August, Buse made his Grand Slam debut as a qualifier at the US Open.[21] He lost to sixth seed Ben Shelton in the first round.[22]
In September, Buse won his second Challenger title at the Copa Sevilla, defeating Genaro Olivieri in the final.[23][24] At the 2025 Uruguay Open in Montevideo, Buse reached his third Challenger final of the season. As a result climbed to a career-high in the top 105 in the singles rankings on 17 November 2025.[25]
2026: Top 60, First ATP 500 semifinal
Buse reached the top 100 on 5 January 2026. Ranked No. 91 at the 2026 Rio Open, Buse reached a semifinal at the ATP 500-level for the first time and only his second time at the tour-level, with wins over Brazilian Igor Marcondes, third seed and another local favorite João Fonseca and Matteo Berrettini.[26]
Buse is the nephew of world-renowned chef Gaston Acurio.[28] His father Hans is a tennis coach. The stadium in Lima, which is home to the Davis Cup in Peru, is called “Estadio Hermanos Buse [es]” in honor of the Buse Brothers, Eduardo and Enrique Buse, Ignacio Buse’s grandfather and grand-uncle, respectively.[29]
Performance timeline
Key
W
F
SF
QF
#R
RR
Q#
DNQ
A
NH
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (DNQ) did not qualify; (A) absent; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
