Juan Ignacio Londero (Latin American Spanish: [xwan iɣˈnasjo ˈlondeɾo] ; born 15 August 1993) is an Argentine tennis player.
Londero reached his career-high ATP singles ranking of world No. 50 in November 2019 and his highest ATP doubles ranking of world No. 186 in March 2020.
Key
W
F
SF
QF
#R
RR
Q#
P#
DNQ
A
Z#
PO
G
S
B
NMS
NTI
P
NH
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (P#) preliminary round; (DNQ) did not qualify; (A) absent; (Z#) Davis/Fed Cup Zonal Group (with number indication) or (PO) play-off; (G) gold, (S) silver or (B) bronze Olympic/Paralympic medal; (NMS) not a Masters tournament; (NTI) not a Tier I tournament; (P) postponed; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.
Current after the 2022 Chile Open .
Singles: 2 (1 title, 1 runner-up)
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Finals by surface
Hard (0–0)
Clay (1–1)
Grass (0–0)
Finals by setting
Outdoor (1–1)
Indoor (0–0)
Doubles: 1 (1 runner-up)
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Legend
Grand Slam (0–0)
ATP Masters 1000 (0–0)
ATP 500 (0–0)
ATP 250 (0–1)
Finals by surface
Hard (0–0)
Clay (0–1)
Grass (0–0)
Finals by setting
Outdoor (0–1)
Indoor (0–0)
ATP Challenger Tour finals
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Singles: 4 (2 titles, 2 runner–ups)
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Legend
ATP Challenger Tour (2–2)
Result
W–L
Date
Tournament
Tier
Surface
Opponent
Score
Win
1–0
Apr 2018
Mexico City , Mexico
Challenger
Clay
Roberto Quiroz
6–1, 6–3
Win
2–0
Jul 2018
Marburg , Germany
Challenger
Clay
Hugo Dellien
3–6, 7–5, 6–4
Loss
2–1
Jul 2018
Tampere , Finland
Challenger
Clay
Tallon Griekspoor
3–6, 6–2, 3–6
Loss
2–2
Nov 2021
Montevideo , Uruguay
Challenger
Clay
Hugo Dellien
0–6, 1–6
Doubles: 3 (1 title, 2 runner–ups)
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Legend
ATP Challenger Tour (1–2)
ITF Futures/World Tennis Tour finals
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Singles: 13 (7 titles, 6 runner–ups)
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Legend
ITF Futures/WTT (5–4)
Finals by surface
Hard (0–0)
Clay (5–4)
Grass (0–0)
Carpet (0–0)
Result
W–L
Date
Tournament
Tier
Surface
Opponent
Score
Loss
0–1
Oct 2011
Bolivia F2, Cochabamba
Futures
Clay
Guido Pella
4–6, 3–6
Win
1–1
Apr 2012
Argentina F7, Neuquén
Futures
Clay
Juan-Pablo Amado
6–2, 3–6, 6–4
Loss
1–2
Sep 2012
Argentina F23, La Rioja
Futures
Clay
Pablo Galdón
1–6, 1–6
Loss
1–3
May 2013
Argentina F5, Villa María
Futures
Clay
Gabriel Alejandro Hidalgo
4–6, 1–6
Loss
1–4
Aug 2013
Argentina F15, San Juan
Futures
Clay
Andrés Molteni
4–6, 7–6(2) , 1–6
Win
2–4
Oct 2013
Peru F3, Lima
Futures
Clay
Ricardo Urzua-Rivera
6–7(8) , 6–2, 6–2
Win
3–4
Dec 2013
Venezuela F9, Caracas
Futures
Clay
Luis David Martínez
6–2, 6–1
Win
4–4
Mar 2014
Argentina F4, Marcos Juarez
Futures
Clay
Andrés Molteni
6–2, 6–4
Win
7–6
Jul 2023
M25 Rosario, Argentina
WTT
Clay
Daniel Vallejo
6–3, 6–2
Doubles: 15 (6 titles, 9 runner–ups)
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Finals by surface
Hard (2–1)
Clay (4–8)
Grass (0–0)
Carpet (0–0)
Result
W–L
Date
Tournament
Tier
Surface
Partner
Opponents
Score
Loss
0–1
Jun 2011
Argentina F7, Obera
Futures
Clay
Nicolás Pastor
Patricio Heras Guillermo Durán
1–6, 6–7(4)
Loss
0–2
Sep 2011
Bolivia F1, La Paz
Futures
Clay
Rodrigo Scattareggia
Boris Arias Hugo Dellien
6–3, 6–7(3) , [7–10]
Loss
0–3
May 2012
Argentina F9, Villa Allende
Futures
Clay
Leandro Migani
Sebastián Decoud Diego Schwartzman
3–6, 4–6
Loss
0–4
Jul 2012
Argentina F17, Córdoba
Futures
Clay
Diego Hidalgo
Juan Vazquez-Valenzuela Andrés Molteni
2–6, 2–6
Loss
0–5
Jul 2012
Argentina F18, Bell Ville
Futures
Clay
Martín Cuevas
Guillermo Durán Renzo Olivo
4–6, 5–7
Win
1–5
Sep 2012
Argentina F23, La Rioja
Futures
Clay
Mateo Nicolás Martínez
Gabriel Alejandro Hidalgo M Pérez Mota
3–6, 6–3, [10–8]
Win
2–5
Sep 2012
Argentina F24, San Juan
Futures
Clay
Mateo Nicolás Martínez
Juan Pablo Ortiz Tomás Lipovšek Puches
6–2, 7–6(6)
Loss
2–6
Dec 2012
Argentina F27, Buenos Aires
Futures
Clay
Mateo Nicolás Martínez
Leandro Migani Facundo Mena
3–6, 3–6
Loss
2–7
Apr 2013
Turkey F13, Antalya
Futures
Hard
Mateo Nicolás Martínez
Maximiliano Estévez José Hernández-Fernández
3–6, 5–7
Win
3–7
Apr 2013
Turkey F15, Antalya
Futures
Hard
Mateo Nicolás Martínez
Mikhail Biryukov Maxim Dubarenco
6–4, 6–4
Win
4–7
Dec 2013
Venezuela F8, Valencia
Futures
Hard
Maximiliano Estévez
Roberto Maytín Piero Luisi
7–6(5) , 6–2
Loss
4–8
Dec 2013
Venezuela F9, Caracas
Futures
Clay
Mateo Nicolás Martínez
Roberto Maytín Piero Luisi
3–6, 4–6
Loss
4–9
Mar 2014
Argentina F4, Marcos Juarez
Futures
Clay
Andrés Molteni
Hugo Dellien Maximiliano Estévez
3–6, 4–6
Win
5–9
Jan 2017
USA F5, Weston
Futures
Clay
Facundo Argüello
Gonzalo Escobar Luis David Martínez
6–4, 6–7(1) , [14–12]
Win
6–9
Feb 2017
USA F6, Palm Coast
Futures
Clay
Facundo Argüello
Julian Bradley Isaiah Strode
6–2, 6–3