Keita Koyama vs Arata Onozawa, Sapporo 2013, Quarterfinal

FUTURES · Quarterfinal · Clay

Final

Keita Koyama

LostRank #2201

Onozawa won in 2 sets

0–2

Set 13–6

Set 23–6

Arata Onozawa

WinnerRank #1619

Venue

Nakajima Park Tennis Courts

Sapporo, JPN· 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

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No reading

Humidity

—

No reading

Temperature

—

No reading

Altitude

35 m

Sea level

Head to head

2Koyama

2Onozawa

4 meetings

Clay 0–2Hard 1–0Grass 1–0

SapporoQuarterfinal · 2013ClayThis match
Arata Onozawa
Sets won: 2Set 1: 6Set 2: 6
Keita Koyama
Sets won: 0Set 1: 3Set 2: 3
KofuRound of 32 · 2014Hard
Keita Koyama
Sets won: 2Set 1: 6Set 2: 6
Arata Onozawa
Sets won: 0Set 1: 3Set 2: 4
Tokyo-AkishimaRound of 32 · 2012Grass
Keita Koyama
Sets won: 2Set 1: 6Set 2: 7⁷
Arata Onozawa
Sets won: 0Set 1: 3Set 2: 6²
SapporoRound of 16 · 2012Clay
Arata Onozawa
Sets won: 2Set 1: 6Set 2: 6
Keita Koyama
Sets won: 0Set 1: 2Set 2: 1

Form and path

Keita Koyama1–5

KaohsiungHard

LRound of 32
Tsung Hua Yang
Sets won: 2Set 1: 6Set 2: 6
Keita Koyama
Sets won: 0Set 1: 3Set 2: 3

AkishimaCarpet

LRound of 32
Jumpei Yamasaki
Sets won: 1Set 1: 4Set 2: 6Set 3: 5
Keita Koyama
Sets won: 1Set 1: 6Set 2: 4Set 3: 1
Keita Koyama · Retired

KashiwaHard

LRound of 32
Masayoshi Ono
Sets won: 2Set 1: 4Set 2: 6Set 3: 6
Keita Koyama
Sets won: 1Set 1: 6Set 2: 2Set 3: 1

KaruizawaClay

LRound of 32
Keisuke Watanuki
Sets won: 2Set 1: 6Set 2: 6
Keita Koyama
Sets won: 0Set 1: 1Set 2: 1

KofuHard

LQualifying R3
Ryota Tanuma
Sets won: 2Set 1: 6Set 2: 6
Keita Koyama
Sets won: 0Set 1: 3Set 2: 2
WQualifying R2
Keita Koyama
Sets won: 2Set 1: 6Set 2: 6
Ryota Hisamatsu
Sets won: 0Set 1: 3Set 2: 2

Arata Onozawa3–3

AnningHard

LRound of 32
Jeremy Beale
Sets won: 2Set 1: 6Set 2: 6
Arata Onozawa
Sets won: 0Set 1: 4Set 2: 1

TaipeiHard

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

Keita Koyama vs Arata Onozawa, Sapporo 2013, Quarterfinal

Final score

Venue and conditions

Head to head

Form and path

Match research