Justin Roberts vs Evan Zhu, Naples 2021, Qualifying R1
Final score
Final
2-6 7-6(5) 10-2
Venue and conditions
Emilio Sanchez AcademyNaples, USA
Outdoor hardCourt speed3.7 vs last year92.2Slow
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
Head to head
0Roberts
4Zhu
4 meetingsHard 0–2Clay 0–2
- NaplesQualifying R1 · 15 Feb 2021HardThis matchEvan ZhuSets won: 2Set 1: 2Set 2: 7Set 3: 10Justin RobertsSets won: 1Set 1: 6Set 2: 65Set 3: 2
- NaplesQuarterfinal · 18 Feb 2022ClayEvan ZhuSets won: 2Set 1: 6Set 2: 4Set 3: 7Justin RobertsSets won: 1Set 1: 2Set 2: 6Set 3: 62
- Santo DomingoRound of 32 · 8 Jun 2021HardEvan ZhuSets won: 2Set 1: 4Set 2: 6Set 3: 6Justin RobertsSets won: 1Set 1: 6Set 2: 3Set 3: 4
- RochesterQualifying R3 · 2016ClayEvan ZhuSets won: 2Set 1: 6Set 2: 3Set 3: 6Justin RobertsSets won: 1Set 1: 3Set 2: 6Set 3: 3
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.