Daniel Vallejo

Vallejo has a career-high ATP singles ranking of world No. 312 achieved in 1 April 2024.

Daniel Vallejo

Vallejo in 2023
Full name	Adolfo Daniel Vallejo
Country (sports)	Paraguay
Born	(2004-04-28) 28 April 2004 (age 19) Asunción, Paraguay
Plays	Right-handed (two-handed backhand)
Prize money	$51,234
Singles
Career record	5–3 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles	0
Highest ranking	No. 312 (1 April 2024)
Current ranking	No. 314 (15 April 2024)
Grand Slam singles results
Australian Open Junior	SF (2022)
French Open Junior	2R (2022)
Wimbledon Junior	3R (2021)
US Open Junior	SF (2022)
Doubles
Career record	0–1 (at ATP Tour level, Grand Slam level, and in Davis Cup)
Career titles	0
Highest ranking	No. 459 (28 August 2023)
Current ranking	No. 730 (15 April 2024)
Grand Slam doubles results
Australian Open Junior	F (2022)
French Open Junior	2R (2022)
Wimbledon Junior	SF (2021)
US Open Junior	2R (2021)
Team competitions
Davis Cup	2–1
Last updated on: 8 April 2024.

On the ITF Junior Circuit, Vallejo achieved a career-high junior ranking of No. 1, achieved in August 2022. This result came after a series of favorable results during the 2021 and 2022 season.

2023: First Challenger doubles title

In July, he reached his first final on the Challenger Tour in Santa Fe, Argentina, losing to Mariano Navone in the final. The following month, he won his first Challenger doubles title in Lima, Peru, partnering with Gonzalo Bueno, defeating Jorge Panta and Ignacio Buse in the final.

2024: First Challenger singles title

In March, he won his first Challenger title in São Léopoldo, Brazil, defeating Enzo Couacaud in the final. He became the fourth Paraguayan champion in ATP Challenger Tour history and first since Ramon Delgado in 2009.

In 2021, he won the Junior Orange Bowl in Plantation, Florida, defeating Bruno Kuzuhara in the final. He was the first Paraguayan player to win the tournament and only the second to reach the final after Víctor Pecci.

In 2022, he reached the final of the Australian Open in boys doubles, partnering with Alex Michelsen, losing in the final to Bruno Kuzuhara and Coleman Wong.

Vallejo represents Paraguay at the Davis Cup, where he has a win–loss record of 5–3.

Doubles: 1 (1 runner-up)

Result	Year	Championship	Surface	Partner	Opponents	Score
Loss	2022	Australian Open	Hard	Alex Michelsen	Bruno Kuzuhara   Coleman Wong	3–6, 6–7(3–7)

Singles: 4 (1–3)

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Nov 2022	M15 Madrid, Spain	World Tennis Tour	Hard	David Jordà Sanchis	3–6, 1–6
Loss	0–2	Jul 2023	M25 Rosario-Santa Fe, Argentina	World Tennis Tour	Clay	Juan Ignacio Londero	3–6, 2–6
Loss	0–3	Jul 2023	Santa Fe, Argentina	Challenger	Hard	Mariano Navone	2–6, 4–6
Win	1-3	Mar 2024	São Léopoldo, Brazil	Challenger	Clay	Enzo Couacaud	6-3, 6-2

Doubles: 6 (5–1)

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Jul 2022	M15, Los Angeles, USA	World Tennis Tour	Hard	Ethan Quinn	Aidan Mayo   Keenan Mayo	7–5, 6–4
Win	2–0	Jul 2022	M15, Fountain Valley, USA	World Tennis Tour	Hard	Ethan Quinn	Abraham Asaba   Sekou Bangoura	6–0, 3–6, [10–8]
Loss	2–1	Dec 2022	M25, Trnava, Slovakia	World Tennis Tour	Hard (i)	Daniel Rincón	Mats Hermans   Mick Veldheer	6–1, 3–6, [8–10]
Win	3–1	Dec 2022	M15, Trnava, Slovakia	World Tennis Tour	Hard (i)	Daniel Rincón	Abedallah Shelbayh   Coleman Wong	6–4, 6–2
Win	4–1	Jan 2023	M15, Manacor, Spain	World Tennis Tour	Hard	Daniel Rincón	Svyatoslav Gulin   Ilya Snițari	6–4, 7–6(7–5)
Win	5–1	Aug 2023	Lima, Peru	Challenger	Clay	Gonzalo Bueno	Jorge Panta   Ignacio Buse	6–4, 6–2