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Mary Stoiana vs Rinko Matsuda — Japan Open - Osaka Qualifying Round of 32

Japan Open - OsakaQ32QualifyingHardSat 17 Oct · 11:30Final1h 43m
Mary StoianaWTA #114 · USA
Rinko MatsudaWTA #436 · JPN
SetsGames2
677
0
361

Mary Stoiana defeated Rinko Matsuda 6-3, 7-6 in the Japan Open - Osaka qualifying second round. Stoiana hit one ace and five double faults, while Matsuda had two aces and none of the latter. Stoiana won 61 percent of her first serves and converted 56 percent of her break points, edging out Matsuda 5-4 in service breaks.

Generated automatically from Umpiry match data.

Key context

  • Match story: Mary Stoiana closed it out in two sets, 6–3 7–6.

How the match was decided

Auto-generated

Stoiana M. took it in straight sets, with five breaks of serve.

  • Breaks of serveStoiana M. 5 · Matsuda R. 4
  • 1st-serve points wonStoiana M. 61% · Matsuda R. 47%
  • AcesStoiana M. 1 · Matsuda R. 2

Turning points

When the match moved
  1. Set 11–1Break backStoiana M. · Broke back
  2. Set 13–2Break backMatsuda R. · Broke back
  3. Set 14–2BreakStoiana M. · Broke, never broken back
  4. Set 23–4Break backStoiana M. · Broke back
  5. Set 25–5Break backMatsuda R. · Broke back

Win probability during the match

i
100%Stoiana M.
0%Matsuda R.
Final · 6–3 7–6
0–11–12–13–13–24–25–25–36–30–11–11–22–22–32–43–44–45–45–55–66–67–6Set 1 · 6–3Set 2 · 7–6
  1. Break by Matsuda R.
  2. Break by Stoiana M.
  3. Break by Stoiana M.
  4. Break by Matsuda R.
  5. Break by Stoiana M.
  6. Set won by Stoiana M.
  7. Break by Matsuda R.
  8. Break by Stoiana M.
  9. Break by Stoiana M.
  10. Break by Matsuda R.
  11. Set won by Stoiana M.
Mary StoianaRinko Matsuda
Recorded during the match
Serve flowStoiana M. broken 4 times · Matsuda R. broken 5 times.
  • Hold to love/15
  • Hold to 30
  • Hold to 40 / deuce
  • Broken
  • Result unknown
Stoiana M.
7/11Matsuda R.
5/10
Set 1Set 2

Match momentum

Whole matchStoiana M.Matsuda R.
EvenStoiana M.Matsuda R.
Late momentumStoiana M.64
9Last 12 points3
9Last 3 games12
5/9Break points4/4

Break of serve

Match statistics

Stoiana M.Matsuda R.
Serve
  • 1Aces2
  • 5Double faults0
  • 73% · 48/661st serve %74% · 43/58
  • 61%1st serve points won47%
  • 56% · 10/182nd serve points won47% · 7/15
  • 59% · 39/66Service points won48% · 28/58
  • 64% · 7/11Service games held50% · 5/10
  • 0% · 0/4Break points saved44% · 4/9
Return
  • 52% · 30/58Return points won41% · 27/66
  • 51% · 22/431st return points won40% · 19/48
  • 53% · 8/152nd return points won44% · 8/18
  • 56%Break points won100%
  • 5Breaks of serve4
Points
  • 69Total points won55
  • 7Most points in a row6
  • 3Most games in a row2

Serve & return performance

Key performance gaps
First-serve pointsStoiana M. won 61% of points behind the first serve, Matsuda R. 47%. Largest performance gap of the match.+14 ptsStoiana M.1st-serve pts won61%Matsuda R.1st-serve pts won47%
Double faultsMatsuda R. served 0 double faults, Stoiana M. 5.+5Stoiana M.5Matsuda R.0

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 · Stoiana M. leads 1–0
10

Draw

Closing odds

Player context

Before the match
Stoiana M.Matsuda R.1 789ELO1 6241 688Hard ELO1 5906–4Last 106–423Age21Career $421K2026 $260KEarningsCareer $57K2026 $15K

Match info

  • Started11:30 local
  • Duration1h 43m

Cite this

Mary Stoiana beat Rinko Matsuda 6-3 7-6(1). Umpiry, "Mary Stoiana vs Rinko Matsuda — Japan Open - Osaka Qualifying Round of 32", https://umpiry.com/match/2026-10-17/matsuda-vs-stoiana-japan-open-osaka-q32?utm_source=cite (as of 17 October 2026).