Sander Jong vs John Sperle, Dubrovnik 2026, Semifinal

ITF M15 · Semifinal · Clay · Sat 18 Apr

Final

Sander Jong

WinnerRank #451

Jong won in 2 sets · 1h 56m

2–0

Set 17–6¹

Set 26–2

John Sperle

LostRank #660

Venue

Tenis klub Dubrovnik

Dubrovnik, CRO· Clay

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

Know how fast this court plays before the first serve

See it with Pro

Wind

23 km/h

Moderate

Humidity

36%

Comfortable

Temperature

25°C

Warm

Altitude

15 m

Sea level

Historical daily weather

Match stats

1h 56m

9Aces1

3Double faults0

56Service points won43

10Service games played10

10Service games won8

10Return games played10

4/4100%Break points saved67%4/6

2/633%Break points converted0%0/4

Head to head

2Jong

0Sperle

2 meetings

Clay 1–0Hard 1–0

DubrovnikSemifinal · 18 AprClayThis match
Sander Jong
Sets won: 2Set 1: 7⁷Set 2: 6
John Sperle
Sets won: 0Set 1: 6¹Set 2: 2
MetzingenRound of 32 · 26 Jul 2023Hard
Sander Jong
Sets won: 2Set 1: 6Set 2: 5Set 3: 6
John Sperle
Sets won: 1Set 1: 2Set 2: 7Set 3: 2

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.

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Sander Jong vs John Sperle, Dubrovnik 2026, Semifinal

Final score

Venue and conditions

Match stats

Head to head

Match research