Julian Knowle vs Ivo Heuberger, US Open 2003, Qualifying R1

Grand Slam · Qualifying R1 · Hard · Wed 20 Aug

Final

Julian Knowle

WinnerRank #948

Knowle won in 3 sets

2–1

Set 11–6

Set 26–3

Set 36–4

Ivo Heuberger

LostRank #1496

Venue

USTA Billie Jean King National Tennis Center

Flushing, USA· Hard

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

1.7vs last year

Wind

13 km/h

Gentle

Humidity

72%

Humid

Temperature

30°C

Warm

Altitude

5 m

Sea level

Historical daily weather

Head to head

2Knowle

2Heuberger

4 meetings

Hard 1–0Clay 1–1Carpet 0–1

US OpenQualifying R1 · 20 Aug 2003HardThis match
Julian Knowle
Sets won: 2Set 1: 1Set 2: 6Set 3: 6
Ivo Heuberger
Sets won: 1Set 1: 6Set 2: 3Set 3: 4
HoustonQualifying R1 · 8 Apr 2006Clay
Ivo Heuberger
Sets won: 2Set 1: 3Set 2: 6Set 3: 6
Julian Knowle
Sets won: 1Set 1: 6Set 2: 3Set 3: 1
St. PoeltenQualifying R1 · 14 May 2005Clay
Julian Knowle
Sets won: 2Set 1: 6Set 2: 6⁴Set 3: 6
Ivo Heuberger
Sets won: 1Set 1: 1Set 2: 7⁷Set 3: 2
Prague 2 ChallengerRound of 32 · 24 Nov 2004Carpet
Ivo Heuberger
Sets won: 2Set 1: 6Set 2: 6
Julian Knowle
Sets won: 0Set 1: 3Set 2: 4

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

Julian Knowle vs Ivo Heuberger, US Open 2003, Qualifying R1

Final score

Venue and conditions

Head to head

Match research