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Predictions graded

Kyoka Okamura #303Japan2Darja Vidmanova #88Czechia1

Sets 6-2 · 6-7 · 6-1Tue 6 Oct 2026, 06:05 Predictions gradedFirst RoundHard

Predictions3–730%

Edges2–433%

Player Profiles

Ranking advantageDarja Vidmanova · 215 places

Kyoka Okamura

Japan

Okamura, 30, is the right-hander in this matchup. Her career-best singles ranking is No. 178, reached in 2025; her recorded match volume is primarily on hard courts.

Current ranking: #303
Peak ranking: #178 · 2025
Current age: 30
Preferred surface: I.hard
Hand: Right handed
Height: —

Darja Vidmanova

Czechia

The ITF lists Vidmanova as a 23-year-old right-hander whose preferred surface is hard. Her WTA ranking reached a career-best No. 90 in June 2026.

Current ranking: #88
Peak ranking: #90 · 2026
Current age: 23
Preferred surface: Hard
Hand: Right handed
Height: 182 cm

Quick Take

Pre-match view

Context last updated 6 Oct 2026, 01:32 · Europe/Bucharest

Vidmanova is the fourth seed and 215 places higher, but she has lost four straight while qualifier Okamura has won four of her last five.

Vidmanova should still come through, though 1.22 to win the match leaves nothing. Two prices do: Okamura with a 4.5-game start at 2.1, and over 21.5 games at 2.2.

Context

The run covers the US Open, Guadalajara and Beijing and is the clearest current measure of her level before she faces a qualifier ranked more than 200 places below her. Three of the four defeats came against top-100 opposition, so the streak partly reflects the standard of her draws rather than a single loss of form. It still removes the form support that a fourth seed would normally carry into a first-round match of this kind.
- Vidmanova lost her Beijing first-round match to Maria Timofeeva 6-3, 6-3
- Her four most recent completed matches are all defeats, the most recent win coming in Monterrey in late August
ConfirmedSources checked 6 Oct 2026, 01:30 · Europe/BucharestTennis Templeen.tennistemple.com · 5 Oct 2026
Vidmanova is the fourth seed and the higher-ranked player at No. 88, but her set-by-set record shows the advantage has been concentrated at the start of matches.
If Vidmanova takes the opening set, the record suggests the second is closer to even, which is why an 11-4 first-set mark sits alongside a 6-9 second-set mark in the same 15-match sample. Her average hard-court match in this window ran 23.7 games and 2.5 sets, with five 2-0 wins, three 2-1 wins, four 1-2 losses and three 0-2 losses, so a tidy two-set finish has not been her usual route.
- 15 completed, non-retired hard-court matches, 23 July to 30 September 2026
- First sets won 11, lost 4; second sets won 6, lost 9
- Average 23.7 total games and 2.5 sets per match; scorelines of five 2-0, three 2-1, four 1-2 and three 0-2
Okamura arrives as the qualifier at No. 303, and her set-level record shows her matches have tended to be settled quickly in either direction.
Nine straight-set defeats in a 15-match sample is a heavy share, and with five straight-set wins and a single three-set win alongside them, her recent hard-court matches have usually finished without a third set. That does not rule out a long match here, but her losses have generally come without her taking a set, which is the pattern she carries into a first round against the fourth seed.
- 15 completed, non-retired hard-court matches, 1 July to 5 October 2026
- Nine 0-2 defeats, five 2-0 wins and one 2-1 win
- Average 19.2 total games and 2.07 sets per match
Okamura has already won twice on these courts, so she reaches the first round with recent match play on the same hard courts while Vidmanova enters without a completed win for several weeks. The workload is heavier for the qualifier, since two qualifying rounds precede the main-draw opener. The value of the route is that she closed out both matches in straight sets rather than needing long three-set battles to get through.
- Okamura won two qualifying matches in Suzhou, beating Priska Madelyn Nugroho 6-3 7-6(5) and Sijia Wei 6-3 6-2
- The win over Wei was completed in straight sets on hard court
ConfirmedSources checked 6 Oct 2026, 01:30 · Europe/BucharestTennis Majorswww.tennismajors.com · 5 Oct 2026

BetBugs edges

Compare BetBugs' chances with the market's.

Positive edges · 2

Other edges · 4

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

Total SetslostUncertainty band: Strong lean

Under 2.5

1.33fair 1.52

BetBugs 66% · Market 75.2%

−9.2ppshort

Both players have a majority of two-set matches, and Okamura's losses are usually in straight sets.

Match WinnerlostUncertainty band: Lean

Darja Vidmanova

1.22fair 1.59

BetBugs 63% · Market 82%

−19.0ppshort

Vidmanova's higher ranking and much stronger serve make her the more likely match winner.

Set 1 WinnerlostUncertainty band: Lean

Darja Vidmanova

1.29fair 1.72

BetBugs 58% · Market 77.5%

−19.5ppshort

Vidmanova has been much stronger in opening sets across the hard-court sample.

Set BettinglostUncertainty band: Near coin-flip

Darja Vidmanova 2-0

1.55fair 2.78

BetBugs 36% · Market 64.5%

−28.5ppshort

Vidmanova's strongest route is a straight-sets win given Okamura's tendency to lose in two sets.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.22
The read
Vidmanova's higher ranking and much stronger serve make her the more likely match winner.
- Vidmanova is ranked No. 88 and seeded fourth
- Vidmanova wins 68.1% of first-serve points on hard courts
- Vidmanova averages 5.1 aces per match
BetBugs · Match WinnerlostDarja VidmanovaEstimated chance63%

Games2 of 4 landed

Signal quality Medium · Uncertainty band Lean · Market price 2.10
The read
Okamura's recent wins and narrow loss to Jones show she can stay within four games.
- Okamura covered +4.5 games in five of her last six completed matches
- Vidmanova's recent wins were by four games, not five
- Okamura beat Nugroho by four games and Wei by seven
BetBugs · Game HandicapwonKyoka Okamura +4.5Estimated chance62%
Signal quality Medium · Uncertainty band Slight lean · Market price 2.20
The read
Vidmanova's habit of extended matches pushes the total toward the over.
- Vidmanova averages 23.67 total games per hard-court match
- Okamura averages 19.2 total games per hard-court match
- Vidmanova has played seven three-set matches in her last 15
BetBugs · Total GameswonOver 21.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players' first sets average close to ten games, making the over slightly more likely.
- Vidmanova averages 9.73 games in first sets on hard courts
- Okamura averages 9.67 games in first sets on hard courts
- Vidmanova has two first-set tiebreaks in 15 matches
BetBugs · Set 1 Total GameslostOver 9.5Estimated chance54%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Okamura's second sets have been shorter, and the combined average sits below nine and a half.
- Okamura averages 8.93 games in second sets on hard courts
- Okamura's recent second sets had three under 9.5 games
- Vidmanova's recent second sets had three under 9.5 games
BetBugs · Set 2 Total GameslostUnder 9.5Estimated chance52%

Sets1 of 3 landed

Signal quality Medium · Uncertainty band Strong lean · Market price 1.33
The read
Both players have a majority of two-set matches, and Okamura's losses are usually in straight sets.
- Okamura averages 2.07 sets per hard-court match
- Okamura has nine 0-2 losses in her last 15 hard-court matches
- Vidmanova has eight two-set matches in her last 15
BetBugs · Total SetslostUnder 2.5Estimated chance66%
Signal quality Medium · Uncertainty band Lean · Market price 1.29
The read
Vidmanova has been much stronger in opening sets across the hard-court sample.
- Vidmanova has won 11 of 15 first sets on hard courts
- Okamura has won only five of 15 first sets on hard courts
- Vidmanova wins 68.1% of first-serve points
BetBugs · Set 1 WinnerlostDarja VidmanovaEstimated chance58%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Vidmanova's serve gives her a slight advantage in the second set despite even set2 records.
- Vidmanova has won six of 15 second sets on hard courts
- Okamura has also won six of 15 second sets
- Vidmanova's overall serve numbers are stronger
BetBugs · Set 2 WinnerwonDarja VidmanovaEstimated chance53%

Match stats0 of 1 landed

Signal quality Medium · Uncertainty band Strong lean · Not priced
The read
Most of their completed hard-court matches did not feature a tiebreak.
- Vidmanova has 11 matches without a tiebreak in her last 15 hard-court matches
- Okamura has 11 matches without a tiebreak in her last 15
- Okamura has nine straight-set losses in that sample
BetBugs · Tiebreak in MatchlostNoEstimated chance65%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Vidmanova's serve volume makes the over a slight favorite.
- Vidmanova averages 5.1 aces per hard-court match
- Okamura averages 1.5 aces per hard-court match
- Their combined average is 6.6 aces
BetBugs · Total Acesnot gradableOver 6.5Estimated chance53%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
The combined double-fault average sits right at the line, with a slight lean to the over if the match extends.
- Vidmanova averages 2.6 double faults per hard-court match
- Okamura averages 2.9 double faults per hard-court match
- Their combined average is 5.5 double faults
BetBugs · Total Double Faultsnot gradableOver 5.5Estimated chance52%

Prediction history

Darja Vidmanova: 11/11 recent winner projections matched

11 of 11 comparable winner projections favouring Darja Vidmanova matched the recorded result. This is a limited recent sample, not a guarantee for this match.

Recent evidence for Darja Vidmanova11 matches

Date / competitionMatch resultPredictedActualResult

1 Aug·WTA Memphis

#114Darja Vidmanova2-0#83Renata Zarazua

BetBugsDarja Vidmanova to win·58%

Matched

1 Aug 2026

WTA Memphis

#114Darja Vidmanova2-0#83Renata Zarazua

Darja Vidmanova to win

58%probability

Darja Vidmanova won

Matched

1 Aug·WTA Memphis

#114Darja Vidmanova2-1#93Katie Volynets

BetBugsDarja Vidmanova to win·55%

Matched

1 Aug 2026

WTA Memphis

#114Darja Vidmanova2-1#93Katie Volynets

Darja Vidmanova to win

55%probability

Darja Vidmanova won

Matched

31 Jul·WTA Memphis

#320Sloane Stephens0-2#114Darja Vidmanova

BetBugsDarja Vidmanova to win·65%

Matched

31 Jul 2026

WTA Memphis

#320Sloane Stephens0-2#114Darja Vidmanova

Darja Vidmanova to win

65%probability

Darja Vidmanova won

Matched

29 Jul·WTA Memphis

#114Darja Vidmanova2-1#130Marina Bassols Ribera

BetBugsDarja Vidmanova to win·58%

Matched

29 Jul 2026

WTA Memphis

#114Darja Vidmanova2-1#130Marina Bassols Ribera

Darja Vidmanova to win

58%probability

Darja Vidmanova won

Matched

9 Jul·WTA Newport

#92Darja Vidmanova2-0#254Carolyn Ansari

BetBugsDarja Vidmanova to win·78%

Matched

9 Jul 2026

WTA Newport

#92Darja Vidmanova2-0#254Carolyn Ansari

Darja Vidmanova to win

78%probability

Darja Vidmanova won

Matched

Previous match context available

Kyoka Okamura

6W 9L

6-3 6-2#421Sijia Wei 6-3 7-6(5)#372Priska Madelyn Nugroho 7-6(4) 7-6(3)#134Emerson Jones

6-7(7) 6-1 6-3#168Alevtina Ibragimova

6-2 6-4#813Ru Xi Wu

6-2 6-3#26Leylah Annie Fernandez

6-1 6-1#259Mei Yamaguchi

7-6(2) 6-3#862Eva Marie Desvignes

6-2 7-5#291Daria Khomutsianskaya

6-3 6-2#358Kristiana Sidorova

6-1 6-4#216Hayu Kinoshita

7-5 6-1#148Carol Young Suh Lee

6-2 6-1#63Lanlana Tararudee

6-3 6-1#141Susan Bandecchi

7-5 6-1#277Hiromi Abe

Darja Vidmanova

8W 7L

6-3 6-3#68Maria Timofeeva

7-6(6) 6-2#49Janice Tjen

6-3 6-4#96Jessica Bouzas Maneiro

6-4 6-7(3) 6-3#34Nikola Bartunkova

6-4 7-5#35Cristina Bucsa

7-6(2) 6-3#41Kimberly Birrell

6-3 3-6 6-3#79Panna Udvardy

7-5 6-4#273Caroline Werner

4-6 6-4 6-2#50Anhelina Kalinina

1-6 6-1 6-3#119Kristina Liutova

6-3 6-3#94Renata Zarazua

6-4 6-7(5) 6-1#74Katie Volynets

6-2 6-4#136Sloane Stephens

6-2 3-6 6-4#131Marina Bassols Ribera

3-6 6-3 6-4#175Yeon Woo Ku

Stat Battle

Last 15 match performance, compared side by side.

KOKyoka OkamuraOkamura

Last 15

3–5

9 core stats · 1 even

Darja VidmanovaVidmanovaDV

Darja Vidmanova carries the stronger recent form — Kyoka Okamura's route runs through pressure.

Serve · 1–3 · 1 even

1st Serve In63.9%+5.9pp58.0%

1st Serve Won59.3%+8.8pp68.1%

2nd Serve Won43.6%—44.1%

Aces / Match1.5+3.65.1

Double Faults / Match2.90.3 fewer2.6

Return · 1–0

Return Pts Won43.8%+1.8pp42.0%

Pressure · 1–1

Break Pts Converted43.8%+7.9pp51.7%

Break Pts Saved57.6%+9.4pp48.2%

Points · 0–1

Total Pts Won48.6%+1.4pp50.0%

Serve · 1–3 · 1 even

63.9%1st Serve In+5.9pp58.0%

59.3%1st Serve Won+8.8pp68.1%

43.6%2nd Serve Won—44.1%

1.5Aces / Match+3.65.1

2.9Double Faults / Match0.3 fewer2.6

Return · 1–0

43.8%Return Pts Won+1.8pp42.0%

Pressure · 1–1

43.8%Break Pts Converted+7.9pp51.7%

57.6%Break Pts Saved+9.4pp48.2%

Points · 0–1

48.6%Total Pts Won+1.4pp50.0%

Kyoka Okamura

Darja Vidmanova

Quick Take

Context

BetBugs edges

Kyoka Okamura +4.5

Over 21.5

Under 2.5

Darja Vidmanova

Darja Vidmanova

Darja Vidmanova 2-0

Result0 of 1 landed

Games2 of 4 landed

Sets1 of 3 landed

Match stats0 of 1 landed

Kyoka Okamura

Darja Vidmanova

Stat Battle