Álvaro Guillén Meza

Álvaro Guillén Meza (born 2 January 2003) is an Ecuadorian tennis player. He has a career high ATP singles ranking of world No. 175 achieved on 9 June 2025 and a doubles ranking of No. 400 achieved on 22 July 2024.^[1] He is currently the No. 1 Ecuadorian tennis player.^[2]

Álvaro Guillén Meza

Country (sports)	Ecuador
Born	(2003-01-02) 2 January 2003 (age 22) Guayaquil, Ecuador
Height	1.75 m (5 ft 9 in)
Plays	Right-handed (two-handed backhand)
Prize money	$ 225,298
Singles
Career record	1–4 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles	0
Highest ranking	No. 175 (9 June 2025)
Current ranking	No. 244 (21 July 2025)
Grand Slam singles results
French Open	Q2 (2025)
Wimbledon	Q1 (2025)
US Open	Q1 (2024)
Doubles
Career record	0–0 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles	0
Highest ranking	No. 400 (22 July 2024)
Current ranking	No. 540 (30 June 2025)
Last updated on: 21 July 2025.

Guillén Meza represents Ecuador at the Davis Cup, where he has a W/L record of 1–1.^[3][4]

Career

2023: Maiden Challenger title

At 20 years old, Guillén Meza won his maiden Challenger title at the 2023 Lima Challenger. He became the youngest Ecuadorian champion since Giovanni Lapentti in 2003.^{[5] [6]}

2024: Second Challenger title

Guillén Meza won his second Challenger title at the 2024 Ibagué Open, defeating Facundo Mena in the final.^[7]

2025: ATP Tour debut

In May, Guillén Meza claimed his third Challenger title at the 2025 Santos Brasil Tennis Cup, overcoming Matheus Pucinelli de Almeida in the final.^[8][9][10] As a result he reached the top 200 at world No. 180 on 19 May 2025.

In July, Guillén Meza made his ATP Tour debut as a qualifier at the Croatia Open. He lost to Stan Wawrinka in the first round.^[11]

Performance timeline

Tournament	2024	2025	SR	W–L	Win%
Grand Slam tournaments
Australian Open	A	A	0 / 0	0–0	–
French Open	A	Q2	0 / 0	0–0	–
Wimbledon	A	Q1	0 / 0	0–0	–
US Open	Q1		0 / 0	0–0	–
Win–loss	0–0	0–0	0 / 0	0–0	–

ATP Challenger Tour finals

Singles: 5 (3 titles, 2 runner-ups)

Legend ATP Challenger Tour (3–2)

Finals by surface Hard (0–0) Clay (3–2)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Win	1–0	Aug 2023	Lima Challenger, Peru	Challenger	Clay	Blaise Bicknell	7–6(7–3), 6–1
Loss	1–1	Jun 2024	Santa Cruz Challenger II, Bolivia	Challenger	Clay	Juan Manuel Cerúndolo	6–3, 1–6, 4–6
Win	2–1	Jun 2024	Ibagué Open, Colombia	Challenger	Clay	Facundo Mena	6–0, 6–4
Loss	2–2	Mar 2025	Campeonato Internacional de Tênis de Campinas, Brazil	Challenger	Clay	Tomás Barrios Vera	4–6, 3–6
Win	3–2	May 2025	Santos Brasil Tennis Cup, Brazil	Challenger	Clay	Matheus Pucinelli de Almeida	6–3, 7–6(14–12)

Doubles: 2 (2 runner-ups)

Legend ATP Challenger Tour (0–2)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Jul 2023	Salinas Challenger, Ecuador	Challenger	Hard	Ángel Díaz Jalil	Vasil Kirkov Alfredo Perez	5–7, 5–7
Loss	0–2	Mar 2024	Paraguay Open, Paraguay	Challenger	Clay	Gonzalo Bueno	Boris Arias Federico Zeballos	2–6, 2–6

ITF World Tennis Tour finals

Singles: 7 (4 titles, 3 runner-ups)

Legend ITF WTT (4–3)

Finals by surface Hard (0–0) Clay (4–3)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Jun 2023	M15 Litija, Slovenia	WTT	Clay	Paweł Juszczak	3–6, 1–6
Win	1–1	Jun 2023	M15 Štore, Slovenia	WTT	Clay	Dominik Kellovský	6–4, 6–0
Win	2–1	Aug 2023	M15 Arequipa, Peru	WTT	Clay	Guido Iván Justo	6–4, 6–3
Loss	2–2	Sep 2023	M15 Punta del Este, Uruguay	WTT	Clay	Bruno Kuzuhara	7–6(7–3), 1–6, 3–6
Win	3–2	Oct 2023	M25 Luján, Argentina	WTT	Clay	Luciano Emanuel Ambrogi	3–6, 6–3, 7–6(7–3)
Loss	3–3	Feb 2024	M25 Punta del Este, Uruguay	WTT	Clay	Murkel Dellien	1–6, 0–6
Win	4–3	Feb 2025	M25 Punta del Este, Uruguay	WTT	Clay	Mariano Kestelboim	6–1, 6–2

Doubles: 4 (1 title, 3 runner-ups)

Legend ITF WTT (1–3)

Finals by surface Hard (0–0) Clay (1–3)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Oct 2021	M25 Guayaquil, Ecuador	WTT	Clay	Ángel Díaz Jalil	Facundo Juárez Luis Patiño	3–6, 4–6
Loss	0–2	Jul 2022	M15 Aprilia, Italy	WTT	Clay	Gonzalo Bueno	Franco Emanuel Egea Gabriel Alejandro Hidalgo	2–6, 3–6
Win	1–2	Jul 2022	M15 Gubbio, Italy	WTT	Clay	Gonzalo Bueno	Francesco Forti Gabriele Piraino	walkover
Loss	1–3	Mar 2023	M15 Naples, USA	WTT	Clay	Gonzalo Bueno	Ignacio Monzón Federico Agustín Gómez	3–6, 2–6