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WTA Osaka Sunday, 18 October 2026

Mary Stoiana vs Sayaka Ishii – WTA Osaka, 18 Oct 2026

Mary Stoiana Ranked No. 114
03:30 Sun 18 Oct · not before 03:30
Sayaka Ishii Ranked No. 588
SurfaceHard FormatBest of 3 DrawSingles · qualifying Scheduled18 Oct · 03:30 BST TourWTA

SportsLife forecast

Win probability
Our pick Mary Stoiana 78% Mary Stoiana
Sayaka Ishii 22% Sayaka Ishii

Our pick Mary Stoiana Medium confidence

  • Stoiana is ranked 114, well above Ishii at 588
  • Stoiana has a stronger 2026 season record of 40-24 versus Ishii's 15-16
  • Stoiana is 19-14 on hard courts this season compared to Ishii's 10-11

Estimated by the SportsLife model from the players' rankings, season records, surface results, Elo ratings and tie-break and deciding-set rates. Not betting advice.

Players

MS

Mary Stoiana

United States · WTA
Ranking
#114 (↓)
Ranking points
666
Age
23 (6 May 2003)
2026 win–loss
40–24
On hard
19–14
2026 titles
0
SI

Sayaka Ishii

Japan · WTA
Ranking
#588 (↓)
Ranking points
78
Age
21 (31 Aug 2005)
Career high
#188
2025 win–loss
15–16
On hard
10–11
2025 titles
0
Tie-breaks won
77%
Deciding sets won
80%
Matches on record
53

SportsLife view

Ranking, Elo and form side by side

EdgeMary Stoianaahead in 2 of 2 measures

Mary StoianaSayaka Ishii
#114Ranking#588
63%2026 win rate48%

Figures from the players' records: current ranking, Elo rating, this season's win rate, tie-breaks and deciding sets. No win-probability model is applied.