Gael Monfils vs Adolfo Daniel Vallejo, US Open 2026, Round of 128

Grand Slam · Round of 128 · Hard · Tue 1 Sept

Final

Gael Monfils

WinnerRank #2542.3840%Upset

Monfils won in 4 sets

3–1

Set 12–6

Set 26–1

Set 36–2

Set 46–0

Adolfo Daniel Vallejo

LostRank #561.5760%

Venue

USTA Billie Jean King National Tennis Center

Flushing, USA· Hard· Louis Armstrong Stadium

Court speed

What is court speed?

How much the court helps the server, judged from aces and serve points won and adjusted for who played. 100 is the average ATP tournament court that season.

Very slow< 92Monte Carlo, Rome
Slow92–97Roland Garros, Indian Wells
Average97–103US Open, Dubai
Fast103–108Wimbledon, Shanghai
Very fast108+Basel

Challenger and ITF courts usually read lower: partly the venues, partly the balls and conditions at those levels.

How court speed works

Average

0.7vs last year

Wind

5 km/h

Light

Humidity

97%

Very humid

Temperature

23°C

Warm

Altitude

5 m

Sea level

Set statistics

Final statistics

Service

5Aces3

2Double faults5

52/9157%1st serve %65%68/105

37/3995%2nd serve %86%32/37

41/5279%1st serve points won57%39/68

21/3954%2nd serve points won38%14/37

4/667%Break points saved63%12/19

15Service games played14

Return

29/6843%1st serve return points21%11/52

23/3762%2nd serve return points46%18/39

7/1937%Break points converted33%2/6

14Return games played15

Points

114Total points won82

62Service points won53

52Receiver points won29

7Max points in a row5

Games

20Games won9

13Service games won7

7Max games in a row5

Errors

10backhandErrors21

35errorsTotal42

25forehandErrors21

34groundstrokeErrors40

0overheadStrokeErrors0

0returnErrors0

Unforced errors

7backhandUnforcedErrors11

0dropShotUnforcedErrors0

17forehandUnforcedErrors20

24groundstrokeUnforcedErrors31

0lobUnforcedErrors0

26unforcedErrorsTotal36

0volleyUnforcedErrors0

Winners

7backhandWinners5

0dropShotWinners0

20forehandWinners10

24groundstrokeWinners10

0lobWinners0

1overheadWinners1

0returnWinners0

3volleyWinners5

33winnersTotal19

Monfils6

Daniel Vallejo0

150300400

Monfils5

Daniel Vallejo0

01515153015303030404040A40

Monfils4

Daniel Vallejo0

01515151530303040304040A40

Monfils3

Daniel Vallejo0

15015151530303040304040A40

Monfils2

Daniel Vallejo0

150151530154015

Monfils1

Daniel Vallejo0

15015153015303040304040A40404040A4040A40

Head to head

1Monfils

0Vallejo

1 meeting

US OpenRound of 128 · 1 SeptHardThis match
Gael Monfils
Sets won: 3Set 1: 2Set 2: 6Set 3: 6Set 4: 6
Adolfo Daniel Vallejo
Sets won: 1Set 1: 6Set 2: 1Set 3: 2Set 4: 0

Form and path

Gael Monfils1–5

Cincinnati MastersHard

LRound of 128
Rinky Hijikata
Sets won: 2Set 1: 2Set 2: 7⁷Set 3: 6
Gael Monfils
Sets won: 1Set 1: 6Set 2: 6⁵Set 3: 3

Canada MastersHard

Roland GarrosClay

LRound of 128
Hugo Gaston
Sets won: 3Set 1: 6Set 2: 6Set 3: 3Set 4: 2Set 5: 6
Gael Monfils
Sets won: 2Set 1: 2Set 2: 3Set 3: 6Set 4: 6Set 5: 0

Madrid MastersClay

LRound of 128
Camilo Ugo Carabelli
Sets won: 2Set 1: 6Set 2: 6
Gael Monfils
Sets won: 0Set 1: 3Set 2: 4

Monte Carlo MastersClay

LRound of 32
Alexander Bublik
Sets won: 2Set 1: 6Set 2: 6
Gael Monfils
Sets won: 0Set 1: 4Set 2: 4

Adolfo Daniel Vallejo1–1

Winston-SalemHard

Match research

Pro

Everything that shapes this match: each player’s run-in and travel, records side by side, and results against similar opponents and in similar conditions. Better information, better-informed decisions.

Run-inEvery match in the last 28 days, rest days and travel between venues.
Tale of the tapeRecords and serve numbers side by side, filtered by period and surface.
Record by opponent rankingHow each player does against the top 10, top 50 or any ranking range.
Similar conditionsResults in comparable heat, humidity, wind and altitude before scheduled matches.

Get the edge with Pro

Gael Monfils vs Adolfo Daniel Vallejo, US Open 2026, Round of 128

Final score

Venue and conditions

Set statistics

Service

Return

Points

Games

Errors

Unforced errors

Winners

Point by point

Head to head

Form and path

Match research