Adolfo Daniel Vallejo and Gael Monfils will clash against each other in the 1st round of the U.S. Open for the 1st time in their career. They are scheduled to play on Tuesday at 7:00 PM on Louis Armstrong Stadium. Here the head to head stats and relative prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Adolfo Daniel Vallejo who should win in 5 sets.
As per the initial odds, Adolfo Daniel Vallejo is the pick to win this match.
Adolfo Daniel Vallejo -> 1.57
Gael Monfils -> 2.39
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At the challenger level, there will be free live streaming on Challenger TV.
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Prediction and head to head Adolfo Daniel Vallejo vs. Gael Monfils
There is no head to head record between Adolfo Daniel Vallejo and Gael Monfils since this will be the first time that they will square off in the main tour.
Adolfo Daniel Vallejo
41 - 19win/loss
58
58
LLWLWWLLLW | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2026 | 41-20 | 5-5 | 34-13 | 2-0 | 0-2 | 0-0 |
| 2025 | 50-28 | 1-4 | 49-24 | 0-0 | 0-0 | 0-0 |
| 2024 | 33-27 | 7-4 | 26-23 | 0-0 | 0-0 | 0-0 |
| 2023 | 30-25 | 6-8 | 24-17 | 0-0 | 0-0 | 0-0 |
| 2022 | 23-17 | 17-8 | 4-6 | 2-3 | 0-0 | 0-0 |
Ranked no. 61 (career-high), Daniel Vallejo will start his run at the U.S. Open after he played his last match in Winston Salem where he lost 6-2 6-0 to Van De Zandschulp in the 2nd round on the 25th of August.
Adolfo has an overall 41-19 win-loss record in 2026, 5-4 on hard (See FULL STATS).
His best result of the season was winning the title the Itajai Challenger where he defeated Thiago Seyboth Wild in the final 7-5 4-6 6-2 and the Concepcion Challenger where he defeated Alejandro Tabilo in the final 6-2 1-6 6-1.
Talking about his overall career, The Paraguayan has an overall 180-118 record. He has a positive 36-28 record on hard.
Previously at the U.S. Open
Adolfo has never competed in this tournament before.
Gael Monfils
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2026 | 5-10 | 4-7 | 1-3 | 0-0 | 0-0 | 0-0 |
| 2025 | 18-15 | 14-9 | 3-3 | 0-0 | 1-3 | 0-0 |
| 2024 | 25-21 | 15-11 | 3-6 | 2-2 | 5-2 | 0-0 |
| 2023 | 16-15 | 8-8 | 2-4 | 6-3 | 0-0 | 0-0 |
| 2022 | 14-7 | 13-5 | 1-1 | 0-1 | 0-0 | 0-0 |
Ranked no. 307, the French player will start his run at the New York after he played his last match in Cincinnati where he lost 2-6 7-6(5) 6-3 to Hijikata in the 1st round on the 13th of August.
Monfils has an overall 4-9 win-loss record in 2026, 3-6 on hard (See FULL STATS).
Monfils won his last 10 matches.
In terms of his career, Monfils has an overall 683-389 record. He has a positive 267-155 record on hard.
Previously at the U.S. Open
Previously, his best result was reaching the semifinal in 2016. See his history.
Head 2 Head
WWWWWWWWWW
WWWWW Tennis Scores – U.S. Open
- Nishesh BasavareddyBasavareddy – Arthur GeaGea (6-3 6-1) – See score progression
- Francesco PassaroPassaro – Shintaro MochizukiMochizuki (6-4 6-2) – See score progression
- Harry WendelkenWendelken – Vilius GaubasGaubas (6-73 7-65 7-65) – See score progression
- Federico CinaCina – Bu YunchaoketeYunchaokete (3-6 6-4 7-5) – See score progression
- Rei SakamotoSakamoto – Kei NishikoriNishikori (6-4 7-63) – See score progression
- Jurij RodionovRodionov – Jacob FearnleyFearnley (4-6 6-4 6-4) – See score progression
- Lloyd HarrisHarris – Pablo Llamas RuizLlamas Ruiz (7-63 6-3) – See score progression
- Tristan SchoolkateSchoolkate – Liam DraxlDraxl (4-6 7-5 7-67) – See score progression
- Dalibor SvrcinaSvrcina – Mackenzie McdonaldMcdonald (4-6 6-2 7-5) – See score progression
- Hugo GastonGaston – Colton SmithSmith (1-6 6-4 6-2) – See score progression
- Zsombor PirosPiros – Christopher O ConnellO Connell (5-7 7-63 ret.) – See score progression
- Grigor DimitrovDimitrov – Otto VirtanenVirtanen (w/o) – See score progression
- Toby SamuelSamuel – Cristian GarinGarin (4-6 6-4 5-0 ret.) – See score progression
- Andrea GuerrieriGuerrieri – Aziz DougazDougaz (6-2 6-4) – See score progression
- Chak Lam Coleman WongLam Coleman Wong – Dusan LajovicLajovic (6-4 6-3) – See score progression
- Tomas Barrios VeraBarrios Vera – Daniel RinconRincon (6-4 6-3) – See score progression
Upcoming matches in the draw
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- Marcos GironGiron – (0-1) – H2H and prediction
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- Taylor Harry FritzHarry Fritz – (0-0) – H2H and prediction
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