UMPIRY

Hunter Heck vs Kokoro Isomura — Granby Qualifying Semi-final

GranbySemi-finalQualifyingHardSun 12 Jul · 12:00Final
Hunter HeckATP #605 · USA
Kokoro Isomura(7)ATP #657 · JPN
SetsGames1
641
2
066

Kokoro Isomura defeated Hunter Heck in the semifinals of the Granby hard-court tournament. Isomura won 0-6, 6-4, 6-1. Isomura served 2 aces and 2 double faults, while Heck served 8 aces and 4 double faults.

Generated automatically from Umpiry match data.

Key context

How the match was decided

Auto-generated

Isomura K. came through in three sets, with six breaks of serve.

  • Breaks of serveIsomura K. 6 · Heck H. 5
  • AcesIsomura K. 2 · Heck H. 8
  • Double faultsIsomura K. 2 · Heck H. 4

Turning points

When the match moved
  1. Set 21–1Break backHeck H. · Broke back
  2. Set 23–3Break backHeck H. · Broke back
  3. Set 23–4BreakIsomura K. · Broke, never broken back
  4. Set 31–2BreakIsomura K. · Broke, never broken back
  5. Set 31–6SetIsomura K. · Broke to take the set
Serve flowHeck H. broken 6 times · Isomura K. broken 5 times.
  • Hold to love/15
  • Hold to 30
  • Hold to 40 / deuce
  • Broken
  • Result unknown
Heck H.
6/12Isomura K.
6/11
Set 1Set 2Set 3

Match momentum

Whole matchHeck H.Isomura K.
EvenHeck H.Isomura K.
Late momentumIsomura K.81
3Last 12 points9
12Last 3 games19
5/8Break points5/13

Break of serve

Match statistics

Heck H.Isomura K.
Serve
  • 8Aces2
  • 4Double faults2
  • 50% · 6/12Service games held55% · 6/11
Return
  • 62%Break points won43%
  • 5Breaks of serve6

Serve & return performance

Key performance gaps
AcesHeck H. served 8 aces, Isomura K. 2. Largest performance gap of the match.+6Heck H.8Isomura K.2

Common opponents

0 shared · last 12 months
No common opponents in the last 12 months. Surface form and ELO carry more weight here.

Head-to-head

1 meeting · Isomura K. leads 1–0
01

Draw

Closing odds

Next up

vs Rozin S.View match

Player context

Before the match
Heck H.Isomura K.1 514ELO1 6091 497Hard ELO1 5816–4Last 106–424Age23173 cmHeight175 cmRightPlaysRightCareer $25K2026 $10KEarningsCareer $98K2026 $13K

Match info

  • Started12:00 local

Cite this

Kokoro Isomura beat Hunter Heck 6-0 4-6 1-6. Umpiry, "Hunter Heck vs Kokoro Isomura — Granby Qualifying Semi-final", https://umpiry.com/match/2026-07-12/heck-vs-isomura-granby-sf?utm_source=cite (as of 12 July 2026).