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Predictions graded

Jessica Pegula #3United States0Diana Shnaider #17Russia2

Sets 3-6 · 3-6Sat 8 Aug 2026, 19:00 Predictions gradedFourth RoundHard

Predictions4–450%

Edges1–517%

Player Profiles

Ranking advantageJessica Pegula · 14 places

Jessica Pegula

United States

Reached a career-high No. 3 in October 2022 and is currently ranked No. 3. ITF lists hard as her preferred surface.

Current ranking: #3
Peak ranking: #3 · 2022
Current age: 32
Preferred surface: Hard
Hand: Right handed
Height: 170 cm

Diana Shnaider

Russia

Reached a career-high No. 11 in May 2025. She has won WTA singles titles on hard, clay, and grass, so no single preferred surface was assigned without an explicit source.

Current ranking: #17
Peak ranking: #11 · 2025
Current age: 22
Preferred surface: —
Hand: Left handed
Height: 170 cm

Quick Take

Pre-match view

Context last updated 7 Aug 2026, 15:08 · Europe/Bucharest

Pegula's 4-0 H2H dominance, superior hard-court metrics, and strong front-running make her a heavy favorite against Shnaider.

Back Pegula to win and cover -4.5 games, with the match likely finishing under 20.5 total games. Shnaider's solid form is not enough to overcome the matchup gap.

Context

Pegula's last match was a three-set loss in the Washington final on August 3.
- She has only four full days between that final and this Toronto match.
- Her recent workload includes 15 matches in the last 15-window, with several three-setters.
Pegula leads the H2H 4-0, with three wins on hard courts and one on clay.
- The most recent meeting was a 7-5, 6-4 win for Pegula on August 1, 2026.
- In H2H stats, Pegula wins 70% of first-serve points vs. Shnaider's 59%, and converts break points at 41% vs. 35%.
Pegula is 5-1 on hard courts in her last 15 matches, with wins over Shnaider (No. 17), Kalinskaya (No. 21), and Frech (No. 45).
- Shnaider is 4-1 on hard courts, with wins over Kalinskaya (No. 21) and Samsonova (No. 55), but her loss was to Pegula.
- Pegula's hard-court games won percentage is 57.8%, identical to Shnaider's 61.6%, but Pegula's sample includes tougher opponents.

BetBugs edges

Compare BetBugs' chances with the market's.

Positive edges · 4

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result0 of 1 landed

Signal quality High · Uncertainty band Strong lean · Market price 1.36
The read
Pegula's dominant H2H record, superior recent form on hard courts, and higher ranking give her a clear edge, despite Shnaider's solid recent hard-court numbers.
- Pegula leads H2H 4-0, including a straight-sets win on hard court just one week ago (7-5 6-4).
- Pegula's last15 overall record is 12-3 (80%), with 57.8% games won and 53.7% total points won.
- On hard courts in the last15 window, Pegula is 5-1 (83.3%) with 57.8% games won and 53.8% total points won.
- Shnaider's last15 hard-court record is 4-1 (80%), but her overall last15 return points won (47.2%) is slightly higher than Pegula's (45.4%).
BetBugs · Match WinnerlostJessica PegulaEstimated chance72%

Games2 of 3 landed

Signal quality Medium · Uncertainty band Lean · Not priced
The read
Historical H2H matches have been relatively short, and both players' recent hard-court matches often finish under 21.5 games, making the under a reasonable expectation.
- In their 4 H2H matches, total games have been 22, 20, 18, and 19 – all under 21.5 except one.
- Pegula's last15 hard-court matches average 22.5 games per match, but her recent wins have been efficient (e.g., 6-4 6-0, 7-5 6-4).
- Shnaider's last15 hard-court matches average 19.8 games per match, with three of five matches finishing under 21.5 games.
BetBugs · Total GameswonUnder 21.5Estimated chance60%
Signal quality Medium · Uncertainty band Lean · Not priced
The read
Pegula's consistent ability to win by comfortable margins, especially against Shnaider, suggests she can cover a -3.5 game handicap.
- Pegula's average game margin in her last 5 wins is +5.6 games.
- In their recent H2H, Pegula won by 4 games (7-5 6-4).
- Shnaider's last15 hard-court matches have an average game margin of +2.4, but against top-20 opponents it drops.
BetBugs · Game HandicaplostJessica Pegula -3.5Estimated chance58%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
The first set tends to be competitive between these players, with an average length above 8.5 games.
- In their 4 H2H matches, the first set has averaged 9.5 games.
- Pegula's last15 hard-court first sets average 9.2 games.
- Shnaider's last15 hard-court first sets average 8.8 games.
BetBugs · Set 1 Total GameswonOver 8.5Estimated chance55%

Sets1 of 3 landed

Signal quality Medium · Uncertainty band Strong lean · Market price 1.44
The read
Pegula's strong start in recent matches and historical first-set dominance, combined with Shnaider's recent H2H first-set loss, suggest Pegula is likely to take the opener.
- Pegula has won the first set in 4 of her last 5 matches, including the recent H2H vs Shnaider.
- Pegula's career first-set win conversion rate is 87%, indicating strong front-running ability.
- Shnaider's career first-set win conversion is 90%, but she lost the first set in her last H2H vs Pegula.
BetBugs · Set 1 WinnerlostJessica PegulaEstimated chance65%
Signal quality Medium · Uncertainty band Slight lean · Market price 1.85
The read
Pegula's ability to close matches efficiently and Shnaider's tendency to lose in straight sets against top opponents support a 2-0 victory for Pegula.
- Pegula has won in straight sets in 3 of her last 5 wins, including the recent H2H vs Shnaider.
- Shnaider has lost in straight sets in 2 of her last 3 losses, including the recent H2H vs Pegula.
- Pegula's last15 hard-court sets won percentage is 73.3%, while Shnaider's is 72.7%.
BetBugs · Set BettinglostJessica Pegula 2-0Estimated chance55%
Signal quality Medium · Uncertainty band Slight lean · Not priced
The read
The match is likely to be decided in two sets given Pegula's recent efficiency and the historical H2H pattern.
- Pegula has won in straight sets in 3 of her last 5 wins.
- Shnaider has lost in straight sets in 2 of her last 3 losses.
- In their 4 H2H meetings, 3 were decided in straight sets.
BetBugs · Total SetswonUnder 2.5Estimated chance55%

Match stats1 of 1 landed

Signal quality Medium · Uncertainty band Strong lean · Not priced
The read
Tiebreaks have been rare in both players' recent hard-court matches and in their head-to-head history, making it unlikely.
- In their 4 H2H matches, only 1 set went to a tiebreak.
- Pegula's last15 hard-court matches have seen a tiebreak in only 1 of 6 matches.
- Shnaider's last15 hard-court matches have seen a tiebreak in 1 of 5 matches.
BetBugs · Tiebreak in MatchwonNoEstimated chance65%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players have moderate double fault rates, and their combined average hovers around the 4.5 line, making the over a slight lean.
- Pegula averages 2.7 double faults per match on hard courts in her last15, while Shnaider averages 1.8.
- Combined, their recent hard-court double fault averages sum to 4.5 per match.
- In their recent H2H, total double faults were 5 (Pegula 2, Shnaider 3).
BetBugs · Total Double Faultsnot gradableOver 4.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
The combined ace output from both players, particularly Pegula's serving, makes over 5.5 aces a plausible outcome.
- Pegula averages 4.8 aces per match on hard courts in her last15, while Shnaider averages 1.6.
- Combined, their recent hard-court ace averages sum to 6.4 per match.
- In their recent H2H, total aces were 7 (Pegula 5, Shnaider 2).
BetBugs · Total Acesnot gradableOver 5.5Estimated chance52%

Markets to Avoid

High-risk markets where price or context leaves too little cushion.

Shnaider's recent hard-court form and competitive H2H scores suggest she can keep it close, making the +4.5 handicap look appealing, but Pegula's dominance in this matchup and superior overall metrics argue against backing Shnaider.

Prediction history

Jessica Pegula has been highly reliable when projected to win

In her last 15 matches where she was the predicted winner, Jessica Pegula fulfilled that prediction 12 times. The average estimated probability in those matches was 72.8%, with an expected 10.9 wins, indicating she has outperformed expectations. All three missed predictions resulted in losses, with no draws or unresolved outcomes.

Recent evidence for Jessica Pegula15 matches

Date / competitionMatch resultPredictedActualResult

1 Aug·WTA Washington

#3Jessica Pegula2-0#18Diana Shnaider

BetBugsJessica Pegula to win·72%

Matched

1 Aug 2026

WTA Washington

#3Jessica Pegula2-0#18Diana Shnaider

Jessica Pegula to win

72%probability

Jessica Pegula won

Matched

31 Jul·WTA Washington

#3Jessica Pegula2-0#20Anna Kalinskaya

BetBugsJessica Pegula to win·65%

Matched

31 Jul 2026

WTA Washington

#3Jessica Pegula2-0#20Anna Kalinskaya

Jessica Pegula to win

65%probability

Jessica Pegula won

Matched

30 Jul·WTA Washington

#3Jessica Pegula2-1#48Magdalena Frech

BetBugsJessica Pegula to win·85%

Matched

30 Jul 2026

WTA Washington

#3Jessica Pegula2-1#48Magdalena Frech

Jessica Pegula to win

85%probability

Jessica Pegula won

Matched

7 Jul·WTA Wimbledon

#4Jessica Pegula1-2#7Coco Gauff

BetBugsJessica Pegula to win·55%

Missed

7 Jul 2026

WTA Wimbledon

#4Jessica Pegula1-2#7Coco Gauff

Jessica Pegula to win

55%probability

Coco Gauff won

Missed

5 Jul·WTA Wimbledon

#4Jessica Pegula2-1#16Iva Jovic

BetBugsJessica Pegula to win·72%

Matched

5 Jul 2026

WTA Wimbledon

#4Jessica Pegula2-1#16Iva Jovic

Jessica Pegula to win

72%probability

Jessica Pegula won

Matched

Head-to-Head

4-0 (4 meetings)

W7-5 6-4Jessica Pegula#3vDiana Shnaider#17Aug 1, 2026

W3-6 6-3 6-2Jessica Pegula#3vDiana Shnaider#17Apr 3, 2026

W6-4 6-2Jessica Pegula#3vDiana Shnaider#17Sep 2, 2024

W6-4 6-3Jessica Pegula#3vDiana Shnaider#17Aug 11, 2024

Jessica Pegula dominates (4 meetings)4 total meetings

Previous match context available

Jessica Pegula

12W 3L

6-4 6-0#83Kamilla Rakhimova

3-6 6-3 6-2#45Magdalena Frech

4-6 6-4 6-0#20Alexandra Eala

7-5 6-4#17Diana Shnaider

6-3 7-5#21Anna Kalinskaya

3-6 6-3 6-0#45Magdalena Frech

4-6 6-3 6-3#4Cori Gauff

4-6 6-3 6-1#16Iva Jovic

6-1 6-3#63Jessica Bouzas Maneiro

7-6(6) 6-1#207Sara Sorribes Tormo

7-5 6-3#92Darja Vidmanova

6-4 4-6 6-3#7Linda Noskova

6-4 6-7(4) 6-0#1Aryna Sabalenka

7-6(5) 7-6(8)#23Madison Keys

6-2 6-4#37Katerina Siniakova

Diana Shnaider

10W 5L

6-3 6-3#21Anna Kalinskaya

6-2 4-6 6-1#143Rebecca Sramkova

7-5 6-4#3Jessica Pegula

6-3 6-4#55Liudmila Samsonova

6-1 6-2#27Anastasia Potapova

6-4 4-6 6-2#55Liudmila Samsonova

7-5 6-1#85Eva Lys

6-4 6-4#30Clara Tauson

6-2 6-7(2) 6-3#42Nikola Bartunkova

7-6(4) 6-4#22Maja Chwalinska

3-6 7-5 6-0#1Aryna Sabalenka

6-3 3-6 6-0#23Madison Keys

7-5 6-1#44Oleksandra Oliynykova

7-6(3) 6-1#48Mccartney Kessler

6-4 6-1#73Renata Zarazua

Stat Battle

Last 15 match performance, compared side by side.

JPJessica PegulaPegula

Last 15

5–4

9 core stats · 0 even

Diana ShnaiderShnaiderDS

Jessica Pegula carries the stronger recent form — Diana Shnaider's route runs through serve.

Serve · 3–2

1st Serve In61.7%+5.2pp66.9%

1st Serve Won69.1%+8.7pp60.4%

2nd Serve Won51.7%+1.2pp52.9%

Aces / Match4.7+3.41.3

Double Faults / Match1.70.8 fewer2.5

Return · 0–1

Return Pts Won45.4%+1.8pp47.2%

Pressure · 1–1

Break Pts Converted48.5%+5.4pp53.9%

Break Pts Saved56.5%+5.5pp51.0%

Points · 1–0

Total Pts Won53.7%+1.1pp52.6%

Shot making · 1–0 · 2 evenLimited data · 5 vs 8

Winners / Match5/15 · 8/1521.4—21.4

Unforced Errors / Match5/15 · 8/1521.44.0 fewer25.4

Net Pts Won5/15 · 8/1557.7%—57.0%

Serve · 3–2

61.7%1st Serve In+5.2pp66.9%

69.1%1st Serve Won+8.7pp60.4%

51.7%2nd Serve Won+1.2pp52.9%

4.7Aces / Match+3.41.3

1.7Double Faults / Match0.8 fewer2.5

Return · 0–1

45.4%Return Pts Won+1.8pp47.2%

Pressure · 1–1

48.5%Break Pts Converted+5.4pp53.9%

56.5%Break Pts Saved+5.5pp51.0%

Points · 1–0

53.7%Total Pts Won+1.1pp52.6%

Shot making · 1–0 · 2 evenLimited data · 5 vs 8

21.4Winners5/15 · 8/15—21.4

21.4Unforced Errors5/15 · 8/154.0 fewer25.4

57.7%Net Pts Won5/15 · 8/15—57.0%

Jessica Pegula #3United States0Diana Shnaider #17Russia2

Player Profiles

Jessica Pegula

Diana Shnaider

Quick Take

Context

BetBugs edges

Jessica Pegula

Under 20.5

Jessica Pegula -4.5

Jessica Pegula 2-0

Jessica Pegula

Jessica Pegula

BetBugs probabilities

Result0 of 1 landed

Games2 of 3 landed

Sets1 of 3 landed

Match stats1 of 1 landed

Markets to Avoid

Diana Shnaider 2-0 @ 5.00

Jessica Pegula has been highly reliable when projected to win

Head-to-Head

Jessica Pegula

Diana Shnaider

Stat Battle