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Adolfo Daniel VallejoPhoto: Hameltion, CC BY-SA 4.0, via Wikimedia Commons (cropped)

TennisATPRight-handed

Adolfo Daniel Vallejo

ParaguayAge, ranking and results

Adolfo Daniel Vallejo is a tennis player on the ATP Tour who reached a career-high ranking of No. 52 on October 5, 2026.

32 ATP Tour matches

Updated

ATP rankingNo. 56959 pts2026 record15-17Career highNo. 52Oct 5, 2026Agatha's record5-510 graded calls since Oct 1, 2026

About Adolfo Daniel Vallejo

Adolfo Daniel Vallejo is a tennis player from Asuncion, Paraguay, on the ATP Tour. Born on April 28, 2004, he plays right-handed with a two-handed backhand and is coached by Andres Schneiter. Vallejo turned pro in 2023 and reached a career-high ATP Tour ranking of No. 52 on October 5, 2026.

Agatha Research DeskUpdated Nov 9, 2026

Match history32

Every ATP Tour, Grand Slam and Olympic main-draw match in our records, newest first. A walkover is listed but never counted in a record.

2026: 24-22

DateTournamentRoundOpponentResultScoreSurface
Nov 9Bybit Stockholm OpenRound 1Ugo HumbertL4-6, 3-6Hard
Nov 3Paris MastersRound 1Learner TienL3-6, 7-5, 5-7Hard
Nov 1Paris MastersQualifying FinalLorenzo SonegoL3-6, 6-4, 6-7(5)Hard
Oct 31Paris MastersQualifying 1st RoundGrigor DimitrovW7-6(3), 4-6, 6-3Hard
Oct 24Erste Bank OpenQualifying 1st RoundLorenzo SonegoL2-6, 6-3, 3-6Hard
Oct 10Shanghai MastersRound 2Tommy PaulL2-6, 2-6Hard
Oct 8Shanghai MastersRound 1Valentin RoyerW6-3, 6-1Hard
Oct 4Japan OpenQuarterfinalJiri LeheckaL1-6, 1-6Hard
Oct 3Japan OpenRound 2Matteo BerrettiniW7-6(6), 6-1Hard
Oct 1Japan OpenRound 1Rafael JodarW6-1, 6-3Hard
Sep 29Japan OpenQualifying FinalJaime FariaW6-4, 5-7, 7-5Hard
Sep 28Japan OpenQualifying 1st RoundTaro DanielW6-3, 6-2Hard
Show 34 more
Sep 26AITO Hangzhou OpenRound 2Chak Lam Coleman WongL6-7(2), 6-4, 3-6Hard
Sep 24AITO Hangzhou OpenRound 1Cui JieW6-1, 6-7(2), 6-4Hard
Sep 1US OpenRound 1Gael MonfilsL6-2, 1-6, 2-6, 0-6Hard
Aug 25Winston-Salem OpenRound 2Botic Van De ZandschulpL2-6, 0-6Hard
Aug 23Winston-Salem OpenRound 1Pablo Carreno BustaW6-4, 3-0 ret. (ret.)Hard
Aug 17Cincinnati OpenRound 3Tommy PaulL6-3, 3-6, 4-6Hard
Aug 15Cincinnati OpenRound 2Valentin VacherotW6-3, 6-3Hard
Aug 14Cincinnati OpenRound 1Kyrian JacquetW6-2, 6-4Hard
Aug 2National Bank OpenRound 1Shang JunchengL3-6, 3-6Hard
Jul 21Generali OpenRound 1Kilian FeldbauschL6-7(2), 1-6Clay
Jul 18Nordea OpenSemifinalLuciano DarderiL4-6, 7-6(11), 3-6Clay
Jul 17Nordea OpenQuarterfinalStefano TravagliaW7-6(5), 6-2Clay
Jul 15Nordea OpenRound 2Botic Van De ZandschulpW4-6, 6-3, 7-6(4)Clay
Jul 14Nordea OpenRound 1Miguel DamasW6-3, 6-3Clay
Jun 29WimbledonRound 1Nicolas MejiaL6-4, 4-6, 5-7, 6-7(2)Grass
Jun 21Vanda Pharmaceuticals Mallorca ChampionshipsRound 1Yannick HanfmannL6-7(2), 6-7(2)Grass
May 28Roland GarrosRound 2Moise KouameL3-6, 5-7, 6-3, 6-2, 6-7(8)Clay
May 26Roland GarrosRound 1Cameron NorrieW7-6(7), 2-0 ret. (ret.)Clay
May 4Italian OpenQualifying 1st RoundJaime FariaL3-6, 6-4, 4-6Clay
Apr 27Madrid OpenRound 3Flavio CobolliL3-6, 2-6Clay
Apr 25Madrid OpenRound 2Learner TienW6-4, 6-3Clay
Apr 23Madrid OpenRound 1Grigor DimitrovW6-4, 6-4Clay
Apr 21Madrid OpenQualifying FinalHenrique RochaW6-1, 4-6, 6-2Clay
Apr 20Madrid OpenQualifying 1st RoundPedro MartinezW6-3, 6-1Clay
Apr 1Fayez Sarofim & Co. U.S. Men's Clay Court ChampionshipRound 2Tommy PaulL6-3, 4-6, 4-6Clay
Mar 30Fayez Sarofim & Co. U.S. Men's Clay Court ChampionshipRound 1Zachary SvajdaW6-1, 6-4Clay
Feb 26BCI Seguros Chile OpenRound 2Emilio NavaL5-7, 3-6Clay
Feb 24BCI Seguros Chile OpenRound 1Francesco PassaroW6-3, 3-3 ret. (ret.)Clay
Feb 22BCI Seguros Chile OpenQualifying FinalHenrique RochaW6-4, 6-2Clay
Feb 21BCI Seguros Chile OpenQualifying 1st RoundThiago MonteiroW6-7(3), 6-4, 6-2Clay
Feb 14Rio OpenQualifying 1st RoundThiago MonteiroL4-6, 1-6Clay
Jan 14Australian OpenQualifying FinalArthur GeaL2-6, 2-6Hard
Jan 14Australian OpenQualifying 2nd RoundFederico CinaW4-6, 6-2, 6-3Hard
Jan 13Australian OpenQualifying 1st RoundRodrigo Pacheco MendezW6-1, 6-2Hard

How he is doing nowThrough Nov 9

ATP rankingNo. 56959 points, ESPN, Nov 5
2026 record15-17clay 8-6, hard 7-9, grass 0-2
Last 104-6LLLWLLWLWWNewest first. Three losses in a row.

Agatha on Adolfo Daniel Vallejo

Every graded call Agatha sealed on his matches since Oct 1, 2026, newest first. Each is 1 unit at its sealed price; the number opens its receipt.

Record5-5Units-2.64u10 graded calls
DateMatchCallPriceResultUnitsReceipt
Nov 9vs Ugo HumbertPREDUgo Humbert to win-250WON+0.40u#3065
Nov 3vs Learner TienPREDLearner Tien to win-420WON+0.24u#2585
Nov 1vs Lorenzo SonegoLEANAdolfo Daniel Vallejo to win+134LOST-1.00u#2365
Oct 31vs Grigor DimitrovLEANGrigor Dimitrov to win+100LOST-1.00u#2233
Oct 24vs Lorenzo SonegoLEANAdolfo Daniel Vallejo to win+108LOST-1.00u#1636
Oct 10vs Tommy PaulLEANTommy Paul to win-210WON+0.48u#650
Oct 7vs Valentin RoyerLEANAdolfo Daniel Vallejo to win-118WON+0.85u#510
Oct 4vs Jiri LeheckaPREDJiri Lehecka to win-250WON+0.40u#235
Show all 10 calls
Oct 2vs Matteo BerrettiniLEANMatteo Berrettini to win-167LOST-1.00u#86
Oct 1vs Rafael JodarPREDRafael Jodar to win-387LOST-1.00u#7

CareerPro since 2023

3years2023 to 2026
  1. 2026First ATP matchBeat Francesco Passaro, BCI Seguros Chile Open
  2. 2026Career high No. 52Oct 5, 2026
  3. Nov 9, 2026Latest matchLost to Ugo Humbert, Bybit Stockholm Open

Grand Slam titles

AO0-
RG0Round 2 (2026)1-1 in our records
WIM0Round 1 (2026)0-1 in our records
USO0Round 1 (2026)0-1 in our records

Honors

  • South American Games gold medal, mixed doubles, Asuncion 2022
  • Junior Pan American Games bronze medal, valle - boys' doubles, Cali 2021

First ATP match

Feb 24, 2026: beat Francesco Passaro 6-3, 3-3 ret.BCI Seguros Chile Open, on clay

Latest match

Nov 9, 2026: lost to Ugo Humbert 4-6, 3-6Bybit Stockholm Open, Round 1, on hard court

Challenger and ITF finals

Challenger: 11 singles finals, 5 won; 1 doubles final, 1 won. ITF: 6 singles finals, 4 won; 7 doubles finals, 5 won. From 2022 to 2026.

Singles

  1. L
    May 2026Runner-up at Copa Faulconbridge, Spain (clay), losing to Miomir Kecmanovic 2-6, 6-3, 2-6.
  2. L
    Mar 2026Runner-up at Brasilia Tennis Open, Brazil (clay), losing to Henrique Rocha 4-6, 4-6.
  3. W
    Jan 2026Won the title at Challenger Concepcion, Chile (clay), beating Alejandro Tabilo 6-2, 1-6, 6-1.
  4. W
    Jan 2026Won the title at Itajai Open, Brazil (clay), beating Thiago Seyboth Wild 7-5, 4-6, 6-2.
  5. W
    Nov 2025Won the title at Challenger de Guayaquil, Ecuador (clay), beating Juan Pablo Varillas 7-5, 6-7(7-9), 6-3.
  6. L
    Oct 2025Runner-up at Costa do Sauipe Open, Brazil (clay), losing to Roman Andres Burruchaga 1-6, 2-6.
  7. W
    Oct 2025Won the title at Curitiba Challenger, Brazil (clay), beating Pedro Boscardin Dias 6-3, 7-5.
  8. W
    Sep 2025Won the title at M25 Londrina, Brazil (clay), beating Gustavo Heide 6-4, 4-6, 6-3.
Show 9 more
  1. W
    Sep 2025Won the title at M25 Mar del Plata, Argentina (clay), beating Lautaro Midon 7-6(7-4), 6-3.
  2. W
    Feb 2025Won the title at M25 Punta del Este, Uruguay (clay), beating Luciano Emanuel Ambrogi 6-1, 6-4.
  3. L
    Jan 2025Runner-up at Challenger de Tigre, Argentina (clay), losing to Juan Pablo Varillas 4-6, 4-6.
  4. L
    Sep 2024Runner-up at Antofagasta Challenger, Chile (clay), losing to Juan Manuel Cerundolo 6-3, 2-6, 4-6.
  5. W
    Aug 2024Won the title at M25 Idanha-a-Nova, Portugal (hard), beating Alastair Gray 6-2, 6-3.
  6. W
    Mar 2024Won the title at Sao Leo Open, Brazil (clay), beating Enzo Couacaud 6-3, 6-2.
  7. L
    Jul 2023Runner-up at Challenger Santa Fe, Argentina (clay), losing to Mariano Navone 2-6, 4-6.
  8. L
    Jul 2023Runner-up at M25 Rosario, Argentina (clay), losing to Juan Ignacio Londero 3-6, 2-6.
  9. L
    Nov 2022Runner-up at M15 Madrid, Spain (hard), losing to David Jorda Sanchis 3-6, 1-6.

Doubles

  1. W
    May 2024Won the title at M25 Carnac, France (clay) with Federico Agustin Gomez, beating Christoph Negritu and Alexander Merino 6-3, 7-5.
  2. W
    Aug 2023Won the title at Lima Challenger, Peru (clay) with Gonzalo Bueno, beating Jorge Panta and Ignacio Buse 6-4, 6-2.
  3. L
    Feb 2023Runner-up at M15 Antalya, Turkey (clay) with Igor Gimenez, losing to Matteo De Vincentis and Arthur Reymond 6-7(5-7), 4-6.
  4. W
    Jan 2023Won the title at M15 Manacor, Spain (hard) with Daniel Rincon, beating Svyatoslav Gulin and Ilya Snitari 6-4, 7-6(7-5).
  5. W
    Dec 2022Won the title at M15 Trnava, Slovakia (indoor hard) with Daniel Rincon, beating Abedallah Shelbayh and Coleman Wong 6-4, 6-2.
  6. L
    Dec 2022Runner-up at M25 Trnava, Slovakia (indoor hard) with Daniel Rincon, losing to Mats Hermans and Mick Veldheer 6-1, 3-6, [8-10].
  7. W
    Jul 2022Won the title at M15 Fountain Valley, US (hard) with Ethan Quinn, beating Abraham Asaba and Sekou Bangoura 6-0, 3-6, [10-8].
  8. W
    Jul 2022Won the title at M15 Los Angeles, US (hard) with Ethan Quinn, beating Aidan Mayo and Keenan Mayo 7-5, 6-4.

Most often against

The players he has met most in our records, with the head-to-head.

Tommy Paul3 meetings
0-3Vallejo trails

Last: Oct 10, 2026, Shanghai Masters Round 2, lost

Grigor Dimitrov2 meetings
2-0Vallejo leads

Last: Oct 31, 2026, Paris Masters Qualifying 1st Round, won

Henrique Rocha2 meetings
2-0Vallejo leads

Last: Apr 21, 2026, Mutua Madrid Open Qualifying Final, won

Jaime Faria2 meetings
1-1All square

Last: Sep 29, 2026, Japan Open Tennis Championships Qualifying Final, won

Learner Tien2 meetings
1-1All square

Last: Nov 3, 2026, Paris Masters Round 1, lost

Sources and updates

Results and schedules come from Agatha's own records of the ATP Tour. The ATP ranking is ESPN's, as of Nov 5, 2026.

Updated Nov 11, 2026, 7:24 AM ET. Results and form refresh after every match; biography facts are checked weekly.