JapanWTA OsakaFinishedFeatured

Predictions graded

Mary Stoiana #114United States2Moyuka Uchijima #121Japan1

Sets 6-2 · 2-6 · 6-3Thu 22 Oct 2026, 04:20 Predictions gradedSecond RoundHard

Predictions5–550%

Edges2–0100%

Player Profiles

Ranking advantageMary Stoiana · 7 places

Mary Stoiana

United States

Limited reliable public profile information was found. Use the structured ranking and form data as the main current context.

Current ranking: #114
Peak ranking: —
Current age: 23
Preferred surface: I.hard
Hand: —
Height: —

Moyuka Uchijima

Japan

The WTA lists clay as her favourite surface. She reached a career-high singles ranking of No. 47.

Current ranking: #121
Peak ranking: #47
Current age: 25
Preferred surface: Clay
Hand: Right handed
Height: 174 cm

Quick Take

Pre-match view

Context last updated 21 Oct 2026, 07:42 · Europe/Bucharest

A qualifier ranked No. 114 against the home wildcard at No.

121: Stoiana has three completed wins in six days in Osaka, Uchijima only three tour-level main-draw wins all season. Stoiana's recent hard-court form (10-5 in 15) and her 10-5 first-set record make her the likelier winner. At 1.55 for the match and 1.55 for the first set, neither quoted price leaves anything worth taking.

Context

A qualifier beating the seventh seed without dropping a set changes what this second round represents: Stoiana is not arriving as a player who merely survived qualifying, but as one who has already handled a ranked seed on these courts. Oliynykova's No. 62 ranking made her the higher-rated opponent on paper, so the result is the strongest single item in Stoiana's Osaka week and sets the form-versus-ranking tension this fixture turns on. The counterpoint is that Oliynykova had lost heavily in her previous events and had not completed her last match before Osaka, so one straight-set win does not establish that Stoiana repeats it against a different kind of opponent.
- Stoiana beat seventh seed Oleksandra Oliynykova 6-2, 6-3 in the first round in Osaka
- Oliynykova was ranked No. 62 and seeded seventh; Stoiana is No. 114 and came through qualifying
- The win put Stoiana into the second round against Uchijima
ConfirmedSources checked 21 Oct 2026, 07:39 · Europe/BucharestTennis.com match pagewww.tennis.com · 21 Oct 2026
Her season splits in two: five-match title runs at 125 level in Antalya and Saint-Malo, and a main-tour record thin enough that the Shibahara win was only her third at tour level this year. That gap is the reason her No. 121 ranking sits some 70 places below the career-high No. 47 she reached in 2025, and it makes this second round a test of whether 125-level winning translates against a qualifier who has already won three matches here. She did close out the Shibahara match after losing the second-set tiebreak 9-7, which points to a competitive hard-court level on the day. The limitation is the opponent: Shibahara, ranked No. 586 and playing mostly ITF events, offered far less resistance than a tour-level seed would.
- Uchijima beat Ena Shibahara 6-4, 6-7, 6-3 in the Osaka first round, her third WTA Tour win of the year
- She won WTA 125 titles at Antalya in February and Saint-Malo in May 2026
- She reached a career-high No. 47 in 2025 and entered Osaka at No. 121 on a wildcard
ConfirmedSources checked 21 Oct 2026, 07:39 · Europe/Bucharest
The asymmetry here is accumulated load, not rest: both players had a clear day before this match, but Stoiana had already played three matches at Morita Tennis Centre Utsubo, including a tiebreak set and a 7-5 set in qualifying. Repeated matches on the same courts can sharpen timing and remove first-day adaptation, while also adding wear before a second round against a fresher opponent. For a qualifier facing a home wildcard, both effects are real and neither clearly dominates. It is a modest scheduling factor rather than a decisive one.
- Stoiana beat Rinko Matsuda 6-3, 7-6(1) in the opening qualifying round
- She beat Sayaka Ishii 6-4, 7-5 in the qualifying final
- She then played and won her first-round match
ConfirmedSources checked 21 Oct 2026, 07:39 · Europe/BucharestFlashscore player resultswww.flashscore.com · 20 Oct 2026
Entry route and ranking point in different directions here, which is unusual for a second round at this level: the player who won three matches to get in is ranked above the player handed a wildcard. With seven places between them, the ranking gap carries almost no separating power, so the match rests on current form and the conditions rather than on a tier difference between the two. Neither player is defending a seeded position, so the outcome moves both rankings only modestly.
- Stoiana is listed as a qualifier in the Osaka main draw and Uchijima as a wildcard
- Stoiana is ranked No. 114 and Uchijima No. 121
- Uchijima was announced among the tournament's main-draw wildcards
ConfirmedSources checked 21 Oct 2026, 07:39 · Europe/BucharestTennis.com match pagewww.tennis.com · 21 Oct 2026

BetBugs edges

Compare BetBugs' chances with the market's.

Other edges · 2

The published chance does not exceed the market's implied chance.

Match WinnerwonUncertainty band: Lean

Mary Stoiana

1.55fair 1.64

BetBugs 61% · Market 64.5%

−3.5ppshort

Stoiana has the better recent hard-court record and arrives match-sharp from three wins in Osaka, while Uchijima has struggled for tour-level wins.

Set 1 WinnerwonUncertainty band: Lean

Mary Stoiana

1.55fair 1.67

BetBugs 60% · Market 64.5%

−4.5ppshort

Stoiana has started strongly in Osaka and has the better first-set record.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result1 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.55
The read
Stoiana has the better recent hard-court record and arrives match-sharp from three wins in Osaka, while Uchijima has struggled for tour-level wins.
- Stoiana is ranked 114, seven places above Uchijima.
- Stoiana is 10-5 on hard courts in her last 15 completed matches.
- She won three completed matches at this venue in six days, including over No. 62 Oliynykova.
- Uchijima is 6-6 on hard courts in her last 12 completed matches.
BetBugs · Match WinnerwonMary StoianaEstimated chance61%

Games2 of 4 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players' second sets average about ten games, with tiebreaks common enough to support a total above 9.5.
- Stoiana's second sets averaged 10.2 games.
- Uchijima's second sets averaged 10.0 games.
- Stoiana had three second-set tiebreaks in 15.
- Uchijima had three in 12.
BetBugs · Set 2 Total GameslostOver 9.5Estimated chance53%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Uchijima's first sets have averaged under 9.5 games and she has had no first-set tiebreaks.
- Stoiana's first sets averaged 9.7 games.
- Uchijima's first sets averaged 8.9 games.
- Uchijima had no first-set tiebreaks in 12 hard-court matches.
- Stoiana had two first-set tiebreaks in 15.
BetBugs · Set 1 Total GameswonUnder 9.5Estimated chance52%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Uchijima only needs to stay within two games or win, and her recent matches have often been close.
- Uchijima's six recent hard-court game margins were +4, -4, -5, -1, +6 and -9.
- Stoiana's six recent margins were +7, +4, +4, -4, +5 and -6.
- Stoiana's 15-match games record is 176-151.
- Uchijima has played six three-set matches in 12.
BetBugs · Game HandicaplostMoyuka Uchijima +2.5Estimated chance52%
Signal quality Low · Uncertainty band Near coin-flip · Not priced
The read
Uchijima's longer matches lift the expected total above 22.5 games, while Stoiana's matches have been shorter.
- Stoiana's hard-court matches averaged 21.8 games.
- Uchijima's averaged 23.9 games.
- Uchijima played six three-set matches in 12.
- Stoiana's first sets averaged 9.7 games.
BetBugs · Total GameswonOver 22.5Estimated chance51%

Sets1 of 3 landed

Signal quality Low · Uncertainty band Lean · Not priced
The read
Stoiana's hard-court matches have usually finished in two sets, and her Osaka run has been straight-set.
- Stoiana's 15 hard-court matches averaged 2.2 sets.
- Uchijima's 12 hard-court matches averaged 2.5 sets.
- Stoiana won her three Osaka matches in straight sets.
- Uchijima played six three-set matches in 12.
BetBugs · Total SetslostUnder 2.5Estimated chance61%
Signal quality Medium · Uncertainty band Lean · Market price 1.55
The read
Stoiana has started strongly in Osaka and has the better first-set record.
- Stoiana is 10-5 in first sets on hard courts.
- Uchijima is 6-6 in first sets on hard courts.
- Stoiana won the first set in all three Osaka matches.
- Uchijima won the first set in her opening match.
BetBugs · Set 1 WinnerwonMary StoianaEstimated chance60%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Stoiana's straight-set wins mean she often takes the second set, though Uchijima is strong there.
- Stoiana is 9-6 in second sets on hard courts.
- Uchijima is 8-4 in second sets.
- Stoiana has won her three Osaka matches in straight sets.
- Uchijima has played six three-set matches in 12.
BetBugs · Set 2 WinnerlostMary StoianaEstimated chance55%

Match stats1 of 1 landed

Signal quality Low · Uncertainty band Strong lean · Not priced
The read
Most of their recent hard-court matches did not feature a tiebreak.
- Stoiana had five matches with a tiebreak in 15 hard-court matches.
- Uchijima had four in 12.
- Stoiana's second sets had three tiebreaks in 15.
- Uchijima's second sets had three in 12.
BetBugs · Tiebreak in MatchwonNoEstimated chance65%

Prediction history

Mary Stoiana: 6/8 recent winner projections matched

6 of 8 comparable winner projections favouring Mary Stoiana matched the recorded result. This is a limited recent sample, not a guarantee for this match.

Recent evidence for Mary Stoiana8 matches

Date / competitionMatch resultPredictedActualResult

8 Jul·WTA Newport

#259Katrina Scott0-2#130Mary Stoiana

BetBugsMary Stoiana to win·65%

Matched

8 Jul 2026

WTA Newport

#259Katrina Scott0-2#130Mary Stoiana

Mary Stoiana to win

65%probability

Mary Stoiana won

Matched

24 Jun·WTA Wimbledon

#164Mananchaya Sawangkaew2-1#131Mary Stoiana

BetBugsMary Stoiana to win·58%

Missed

24 Jun 2026

WTA Wimbledon

#164Mananchaya Sawangkaew2-1#131Mary Stoiana

Mary Stoiana to win

58%probability

Mananchaya Sawangkaew won

Missed

23 Jun·WTA Wimbledon

#197Kayla Cross0-2#131Mary Stoiana

BetBugsMary Stoiana to win·72%

Matched

23 Jun 2026

WTA Wimbledon

#197Kayla Cross0-2#131Mary Stoiana

Mary Stoiana to win

72%probability

Mary Stoiana won

Matched

13 Jun·WTA Ilkley

#142Mary Stoiana1-2#206Celine Naef

BetBugsMary Stoiana to win·58%

Missed

13 Jun 2026

WTA Ilkley

#142Mary Stoiana1-2#206Celine Naef

Mary Stoiana to win

58%probability

Celine Naef won

Missed

12 Jun·WTA Ilkley

#142Mary Stoiana2-0#172Tatiana Prozorova

BetBugsMary Stoiana to win·62%

Matched

12 Jun 2026

WTA Ilkley

#142Mary Stoiana2-0#172Tatiana Prozorova

Mary Stoiana to win

62%probability

Mary Stoiana won

Matched

Previous match context available

Mary Stoiana

10W 5L

6-2 6-3#62Oleksandra Oliynykova 6-4 7-5#589Sayaka Ishii 6-3 7-6(1)#434Rinko Matsuda

7-5 7-5#228Julieta Pareja

6-3 6-4#287Hanna Chang

6-4 6-2#61Paula Badosa Gibert

7-6(5) 6-1#112Dominika Salkova

6-3 7-5#95Claire Liu

4-6 7-6(7) 6-3#141Julia Riera

6-3 6-2#150Jazmin Ortenzi

6-1 6-2#20Alexandra Eala

6-3 4-6 6-4#173Yue Yuan

6-7(5) 6-3 6-3#195Katie Swan

6-4 6-3#215Harmony Tan

6-2 7-6(4)#88Tereza Valentova

Moyuka Uchijima

6W 9L

6-4 6-7(7) 6-3#492Ena Shibahara

6-4 4-1 ret.#47Magdalena Frech

4-6 6-3 6-3#203Zhuoxuan Bai

6-4 6-7(5) 6-2#53Lanlana Tararudee

6-2 2-6 7-6(6)#181Lucie Havlickova

6-3 6-3#210Polona Hercog

6-3 6-0#117Harriet Dart

6-3 6-3#2Aryna Sabalenka

6-3 6-4#38Cristina Bucsa

6-2 6-4#115Himeno Sakatsume

6-4 6-7(9) 6-3#133Maddison Inglis

2-6 6-4 7-5#221Hayu Kinoshita

6-1 6-4#374Miho Kuramochi

7-5 6-4#75Anna Bondar

6-2 6-4#148Elina Avanesyan

Stat Battle

Last 15 match performance, compared side by side.

MSMary StoianaStoiana

Last 15

6–2

9 core stats · 1 even

Moyuka UchijimaUchijimaMU

Mary Stoiana carries the stronger recent form — Moyuka Uchijima's route runs through serve.

Serve · 3–2

1st Serve In60.5%+6.3pp54.2%

1st Serve Won59.9%+8.4pp68.3%

2nd Serve Won48.6%+6.0pp42.6%

Aces / Match1.2+1.72.9

Double Faults / Match3.91.7 fewer5.6

Return · 1–0

Return Pts Won47.8%+5.7pp42.1%

Pressure · 1–0 · 1 even

Break Pts Converted49.7%+6.3pp43.4%

Break Pts Saved53.8%—53.2%

Points · 1–0

Total Pts Won51.5%+2.1pp49.4%

Serve · 3–2

60.5%1st Serve In+6.3pp54.2%

59.9%1st Serve Won+8.4pp68.3%

48.6%2nd Serve Won+6.0pp42.6%

1.2Aces / Match+1.72.9

3.9Double Faults / Match1.7 fewer5.6

Return · 1–0

47.8%Return Pts Won+5.7pp42.1%

Pressure · 1–0 · 1 even

49.7%Break Pts Converted+6.3pp43.4%

53.8%Break Pts Saved—53.2%

Points · 1–0

51.5%Total Pts Won+2.1pp49.4%