Jason Kubler vs Soonwoo Kwon, Seoul Challenger 2018, Quarterfinal

Challenger · Quarterfinal · Hard · Fri 4 May

Final

Jason Kubler

WinnerRank #5671.5761%

Kubler won in 2 sets · 1h 20m

2–0

Set 16–3

Set 26–4

Soonwoo Kwon

LostRank #1602.4239%

Venue

Seoul Olympic Park Tennis Center

Seoul, KOR· 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

Know how fast this court plays before the first serve

See it with Pro

Wind

29 km/h

Moderate

Humidity

56%

Moderate

Temperature

17°C

Mild

Altitude

27 m

Sea level

Historical daily weather

Match stats

1h 20m

2Aces1

6Double faults2

44Service points won28

10Service games played9

9Service games won6

9Return games played10

0/10%Break points saved40%2/5

3/560%Break points converted100%1/1

Head to head

3Kubler

0Kwon

3 meetings

Seoul ChallengerQuarterfinal · 4 May 2018HardThis match
Jason Kubler
Sets won: 2Set 1: 6Set 2: 6
Soonwoo Kwon
Sets won: 0Set 1: 3Set 2: 4
Gwangju ChallengerRound of 32 · 23 Apr 2025Hard
Jason Kubler
Sets won: 2Set 1: 6Set 2: 6
Soonwoo Kwon
Sets won: 0Set 1: 3Set 2: 4
Winston-SalemRound of 32 · 23 Aug 2022Hard
Jason Kubler
Sets won: 2Set 1: 7Set 2: 6
Soonwoo Kwon
Sets won: 0Set 1: 5Set 2: 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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Jason Kubler vs Soonwoo Kwon, Seoul Challenger 2018, Quarterfinal

Final score

Venue and conditions

Match stats

Head to head

Match research