Eric Johnson vs Jumpei Yamasaki, Stockton 2017, Qualifying R1
Final score
Final
Johnson won in 3 sets · 2h 17m
2–1
Set 14–6
Set 27–64
Set 36–1
Venue and conditions
Eve Zimmerman Tennis Center, University of the Pacific, StocktonStockton, USA
Outdoor hardCourt speed2.4 vs last year92.9Slow
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 worksConditionsHistorical daily weather
Match stats
2h 17m3Aces4
7Double faults3
63Service points won49
15Service games played14
10Service games won8
14Return games played15
5/1050%Break points saved40%4/10
6/1060%Break points converted50%5/10
Head to head
1Johnson
0Yamasaki
1 meeting- StocktonQualifying R1 · 30 Sept 2017HardThis matchEric JohnsonSets won: 2Set 1: 4Set 2: 7Set 3: 6Jumpei YamasakiSets won: 1Set 1: 6Set 2: 64Set 3: 1
Form and path
Eric Johnson2–4
ClaremontHard
EdwardsvilleHard
DecaturHard
Jumpei Yamasaki
No recent matches recorded.
Match research
ProEverything 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.