United StatesWTA MemphisFinished

Predictions graded

Sloane Stephens #307United States0Darja Vidmanova #114Czechia2

Sets 2-6 · 4-6Thu 30 Jul 2026, 23:00 Predictions gradedSecond RoundHard

Predictions3–443%

Edges3–175%

Player Profiles

Ranking advantageDarja Vidmanova · 193 places

Sloane Stephens

United States

Former world No. 3 and 2017 US Open champion; the WTA lists clay as her favorite surface. She returned in 2026 after rehabilitating a right-foot stress fracture that disrupted her 2025 season.

Current ranking: #307
Peak ranking: #3 · 2018
Current age: 33
Preferred surface: Clay
Hand: Right handed
Height: 170 cm

Darja Vidmanova

Czechia

Reached career-high No. 90 in June 2026 after a season featuring the Figueira da Foz WTA 125 title and an Oeiras 1 runner-up finish. Reliable profiles did not state a preferred surface, and published height information was inconsistent.

Current ranking: #114
Peak ranking: #90 · 2026
Current age: 23
Preferred surface: —
Hand: Right handed
Height: —

Quick Take

Pre-match view

Context last updated 29 Jul 2026, 09:44 · Europe/Bucharest

Darja Vidmanova's dominant hard-court form (7-1 in last 8) and superior serve/return metrics give her a clear edge over Sloane Stephens, who is coming off a taxing three-set win and has a limited recent hard-court sample.

Back Vidmanova to win and consider the straight-sets victory, while expecting a competitive match with over 20.5 total games.

Context

Stephens beat Starodubtseva 6-4, 5-7, 6-2 in 30 games on July 28.
- She also played a doubles loss with Anna Frey that same day.
- The next match is on July 30, giving only one full rest day.
Vidmanova last15 on hard: 7-1 record, 57.9% games won, 69.6% first-serve points won.
- Stephens last15 on hard: only 3 matches tracked (2-1), with 54.8% games won.
- Vidmanova's return points won on hard (49.1%) far exceeds Stephens' overall return (42.5%).
Stephens last15 overall: 7-8 record, 47.8% games won.
- She lost to players ranked 83, 134, and 64 in straight sets during this stretch.
- Her last five matches include two wins over players ranked 397 and 162.

BetBugs edges

Compare BetBugs' chances with the market's.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result1 of 1 landed

Signal quality Medium · Uncertainty band Strong lean · Market price 1.70
The read
Vidmanova's dominant recent hard-court form (7-1, 57.9% games won) and superior serve/return metrics give her a clear edge over Stephens, whose hard-court sample is too small to trust.
- Vidmanova last15 overall record 73.3% (11-4) vs Stephens 46.7% (7-8).
- On hard courts last15: Vidmanova 87.5% (7-1) with 57.9% games won; Stephens 66.7% (2-1) but only 3 matches tracked.
- Vidmanova return points won 49.1% on hard last15 vs Stephens 48.5% (small sample).
- Vidmanova first serve points won 69.6% on hard last15 vs Stephens 61.2%.
BetBugs · Match WinnerwonDarja VidmanovaEstimated chance65%

Games1 of 3 landed

Signal quality Medium · Uncertainty band Lean · Not priced
The read
Both players have been involved in longer matches recently, and their combined hard-court game averages suggest a total above 20.5 games is likely.
- Stephens last15 hard matches averaged 24.3 games per match (73 games in 3 matches).
- Vidmanova last15 hard matches averaged 22.9 games per match (183 games in 8 matches).
- Both players coming off three-set matches in previous round (Stephens 30 games, Vidmanova 27 games).
BetBugs · Total GameslostOver 20.5Estimated chance60%
Signal quality Medium · Uncertainty band Lean · Market price 1.91
The read
While blowouts are possible, the typical first-set scores for both on hard courts hover around 9-10 games, making over 9.5 a reasonable expectation.
- Stephens last15 hard first sets: 6-4, 6-2, 6-4 (avg 9.3 games).
- Vidmanova last15 hard first sets: 6-2, 6-3, 6-0, 6-4, 4-6, 6-3, 6-4, 6-4 (avg 9.1 games).
- Both players have strong first-set win rates, suggesting competitive starts.
BetBugs · Set 1 Total GameslostOver 9.5Estimated chance58%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Vidmanova's consistent hard-court dominance suggests she can cover a -2.5 game handicap, though Stephens' competitiveness in her few hard matches adds risk.
- Vidmanova last15 hard: average games won 13.25 per match, lost 9.63 (margin +3.62).
- Stephens last15 hard: average games won 13.33, lost 11.0 (margin +2.33) in only 3 matches.
- Vidmanova's overall last15 games won% 55.9% vs Stephens 47.8%.
BetBugs · Game HandicapwonDarja Vidmanova -2.5Estimated chance55%

Sets1 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.70
The read
Vidmanova's strong start on hard courts (75% first-set wins in recent 8) and high career conversion rate make her the favorite to take the opener.
- Vidmanova won first set in 6 of last 8 hard-court matches (75%).
- Stephens won first set in 2 of 3 hard-court matches last15, but sample is tiny.
- Vidmanova career first set win conversion 87% vs Stephens 83%.
BetBugs · Set 1 WinnerwonDarja VidmanovaEstimated chance62%

Match stats0 of 0 landed

Signal quality Medium · Uncertainty band Lean · Not priced
The read
Vidmanova's high ace rate on hard courts (5.8 per match) alone pushes the total near 6.5, and Stephens' occasional aces should push it over.
- Vidmanova last15 hard: 5.8 aces per match.
- Stephens last15 hard: 2.0 aces per match (small sample).
- Vidmanova hit 9 aces in her previous match; Stephens hit 1.5 aces per match overall last15.
BetBugs · Total AcesOver 6.5Estimated chance62%
Signal quality Low · Uncertainty band Near coin-flip · Not priced
The read
Combined double fault averages suggest around 5-6 per match, but variance is high, making over 5.5 a coin flip.
- Vidmanova last15 hard: 2.8 double faults per match.
- Stephens last15 hard: 3.3 double faults per match (small sample).
- Stephens overall last15: 2.2 double faults per match.
BetBugs · Total Double FaultsOver 5.5Estimated chance50%

Prediction history

Darja Vidmanova has been highly reliable when projected to win

She has fulfilled all 8 of her win predictions. The average estimated probability was 66.5%, and she exceeded the expected 5.3 wins. Her current probability of 65% sits within the historical range of 57–78%.

Recent evidence for Darja Vidmanova8 matches

Date / competitionMatch resultPredictedActualResult

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

21 Jun·WTA Figueira da Foz

#108Darja Vidmanova2-0#277Ayla Aksu

BetBugsDarja Vidmanova to win·62%

Matched

21 Jun 2026

WTA Figueira da Foz

#108Darja Vidmanova2-0#277Ayla Aksu

Darja Vidmanova to win

62%probability

Darja Vidmanova won

Matched

18 Jun·WTA Figueira da Foz

#108Darja Vidmanova2-0#351Elena Micic

BetBugsDarja Vidmanova to win·72%

Matched

18 Jun 2026

WTA Figueira da Foz

#108Darja Vidmanova2-0#351Elena Micic

Darja Vidmanova to win

72%probability

Darja Vidmanova won

Matched

16 Jun·WTA Figueira da Foz

#108Darja Vidmanova2-1#358Angelina Voloshchuk

BetBugsDarja Vidmanova to win·78%

Matched

16 Jun 2026

WTA Figueira da Foz

#108Darja Vidmanova2-1#358Angelina Voloshchuk

Darja Vidmanova to win

78%probability

Darja Vidmanova won

Matched

Sloane Stephens

7W 8L

6-4 5-7 6-2#62Yuliia Starodubtseva

2-6 6-3 6-2#83Renata Zarazua

6-4 6-2#397Boyoung Jeong

6-3 6-2#38Sara Bejlek

3-6 6-2 6-1#147Leyre Romero Gormaz

6-4 6-1#129Lisa Pigato

6-3 6-2#162Carol Young Suh Lee

4-6 6-3 6-2#134Veronika Podrez

6-4 6-1#64Tereza Valentova

2-6 7-6(5) 6-2#54Anhelina Kalinina

6-2 6-4#60Diane Parry

6-2 6-1#134Veronika Podrez

6-4 6-2#5Mirra Andreeva

1-6 7-6(5) 6-4#79Tatjana Maria

6-2 6-0#83Renata Zarazua

Darja Vidmanova

11W 4L

6-2 3-6 6-4#130Marina Bassols Ribera

3-6 6-3 6-4#171Yeon Woo Ku

6-0 7-6(2)#337Sakura Hosogi

7-6(2) 4-6 6-1#182Greetje Minnen

6-3 6-1#255Carolyn Ansari

7-5 6-3#3Jessica Pegula

6-2 6-3#198Ayla Aksu

6-4 6-3#171Yeon Woo Ku

4-6 6-3 6-2#163Jil Teichmann

6-3 6-4#269Elena Micic

6-4 1-6 6-4#380Angelina Voloshchuk

6-4 3-6 6-4#67Ashlyn Krueger

6-2 6-1#144Lucrezia Stefanini

6-7(2) 6-3 7-6(2)#173Elizabeth Mandlik

6-7(6) 7-6(10) 6-2#176Linda Fruhvirtova

Stat Battle

Last 15 match performance, compared side by side.

SSSloane StephensStephens

Last 15

2–6

9 core stats · 1 even

Darja VidmanovaVidmanovaDV

Darja Vidmanova carries the stronger recent form — Sloane Stephens's route runs through serve.

Serve · 2–2 · 1 even

1st Serve In63.7%—64.0%

1st Serve Won59.1%+6.6pp65.7%

2nd Serve Won48.1%+3.2pp44.9%

Aces / Match1.5+3.55.0

Double Faults / Match2.20.3 fewer2.5

Return · 0–1

Return Pts Won42.5%+3.4pp45.9%

Pressure · 0–2

Break Pts Converted42.0%+7.0pp49.0%

Break Pts Saved55.5%+0.8pp56.3%

Points · 0–1

Total Pts Won48.9%+3.2pp52.1%

Serve · 2–2 · 1 even

63.7%1st Serve In—64.0%

59.1%1st Serve Won+6.6pp65.7%

48.1%2nd Serve Won+3.2pp44.9%

1.5Aces / Match+3.55.0

2.2Double Faults / Match0.3 fewer2.5

Return · 0–1

42.5%Return Pts Won+3.4pp45.9%

Pressure · 0–2

42.0%Break Pts Converted+7.0pp49.0%

55.5%Break Pts Saved+0.8pp56.3%

Points · 0–1

48.9%Total Pts Won+3.2pp52.1%

Sloane Stephens

Darja Vidmanova

Quick Take

Context

BetBugs edges

Darja Vidmanova

Darja Vidmanova

Over 9.5

Darja Vidmanova 2-0

Result1 of 1 landed

Games1 of 3 landed

Sets1 of 1 landed

Match stats0 of 0 landed

Sloane Stephens

Darja Vidmanova

Stat Battle