United StatesWTA MemphisFinished

Predictions graded

Elvina Kalieva #132United States2Peyton Stearns #58United States1

Sets 6-1 · 2-6 · 6-3Fri 31 Jul 2026, 17:50 Predictions gradedQuarter-FinalHard

Predictions3–443%

Edges2–340%

Player Profiles

Ranking advantagePeyton Stearns · 74 places

Elvina Kalieva

United States

She is currently at a career-high No. 132 and reached her first tour-level quarterfinal in Memphis in July 2026. Reliable public sources do not state her height or favorite surface.

Current ranking: #132
Peak ranking: #132
Current age: 23
Preferred surface: —
Hand: Right handed
Height: —

Peyton Stearns

United States

Her favorite surface is hard. She reached career-high No. 28 on May 19, 2025 and won her second WTA singles title in Austin in 2026.

Current ranking: #58
Peak ranking: #28 · 2025
Current age: 24
Preferred surface: Hard
Hand: Right handed
Height: 173 cm

Quick Take

Pre-match view

Context last updated 31 Jul 2026, 12:51 · Europe/Bucharest

Peyton Stearns is favored due to her efficient second-round win and strong hard-court stats, but Kalieva's heavy workload and competitive history make a straight-sets win unlikely.

The over 20.5 total games and Kalieva +4.5 game handicap present the best betting value, reflecting a potentially tight quarterfinal.

Context

Kalieva's last match lasted 3 hours and 17 minutes, the longest in her recent 15-match window.
- She has one day of rest before this quarterfinal, while Stearns played a routine 6-1, 6-2 win.
- Kalieva's average match duration in her last 15 is 126.5 minutes, so this was a significant outlier.
Stearns' second-round win lasted only 15 games, compared to Kalieva's 33-game marathon.
- Stearns has won both her hard-court matches in this 15-match window, dropping only one set.
- Her average match duration in the last 15 is 99.2 minutes, well below Kalieva's 126.5.
Kalieva is 4-2 on hard courts in her last 15, with a 54.9% games-won rate.
- She has covered a +3.5 game handicap in 5 of those 6 matches, losing by more than 3.5 games only once.
- Her last five hard-court matches have all been decided by 5 games or fewer.

BetBugs edges

Compare BetBugs' chances with the market's.

Positive edges · 3

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.30
The read
Stearns' dominant hard-court form in the last 15 matches (2-0, 68.2% games won) and Kalieva's heavy recent workload give Stearns a clear edge in this quarterfinal.
- Stearns is 2-0 on hard courts in the last 15 matches, winning 68.2% of games and 56.1% of total points.
- Kalieva is 4-2 on hard courts in the last 15 matches, but her last match was a 3h17 three-setter, indicating possible fatigue.
- Stearns has a higher career win percentage (57.9% vs 53.8%) and a better first-serve win percentage (63% vs 63% career, but 66.3% vs 65.9% in last 15 overall).
- H2H: Kalieva won their only meeting in 2022, but that was four years ago and Stearns has improved significantly since then.
BetBugs · Match WinnerlostPeyton StearnsEstimated chance62%

Games2 of 2 landed

Signal quality Medium · Uncertainty band Strong lean · Market price 1.90
The read
The competitive nature of both players' recent matches and the potential for a three-setter given Kalieva's resilience and Stearns' occasional lapses suggest a total games over 20.5.
- Kalieva's last 15 hard-court matches average 21.8 games per match (153 games in 6 matches).
- Stearns' last 15 hard-court matches average 22 games per match (44 games in 2 matches).
- Both players have a high percentage of three-set matches in their recent form: Kalieva 4 of 15, Stearns 5 of 15.
BetBugs · Total GameswonOver 20.5Estimated chance65%
Signal quality Medium · Uncertainty band Lean · Not priced
The read
Kalieva's competitiveness on hard courts and Stearns' potential to drop a set make Kalieva +3.5 games a solid bet.
- Kalieva has covered a +3.5 game handicap in 5 of her last 6 hard-court matches (losses by 2, 3, 3, 3, and 5 games; wins by 7 and 6).
- Stearns' two hard-court wins were by 9 and 7 games, but those were against lower-ranked opponents.
- Kalieva's recent form shows she can keep matches close even in defeat.
BetBugs · Game HandicapwonElvina Kalieva +3.5Estimated chance60%

Sets0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.40
The read
Stearns' strong start in recent hard-court matches and Kalieva's potential fatigue from a long previous match make Stearns the favorite to take the opening set.
- Stearns has won the first set in both of her hard-court matches in the last 15, while Kalieva has won the first set in 4 of her 6 hard-court matches.
- Kalieva's first-set win conversion rate is 84% career, but Stearns' is 86%, indicating both are strong front-runners.
- Stearns' recent hard-court matches show a 73.3% break-point save rate, suggesting she can hold serve under pressure early.
BetBugs · Set 1 WinnerlostPeyton StearnsEstimated chance60%

Match stats0 of 0 landed

Signal quality Medium · Uncertainty band Lean · Not priced
The read
Both players have moderate ace counts, and their combined average on hard courts is well under 7.5, making the under likely.
- Kalieva averages 3.3 aces per match on hard courts in the last 15, Stearns averages 3.5.
- Combined, they average 6.8 aces per match on hard courts.
- Neither player is a big server; Kalieva's career ace count is 936 in 385 matches (2.4 per match), Stearns' is 664 in 340 (1.95 per match).
BetBugs · Total AcesUnder 7.5Estimated chance60%

Prediction history

Peyton Stearns has been highly reliable when projected to win

In 9 matches where she was the predicted winner, Stearns fulfilled the prediction 7 times. Her fulfilled predictions (7) exceeded the expected 5.5 based on average estimated probability of 61.3%. The two losses both came when she was the favorite, with missed probabilities averaging 58.5% compared to 62.1% for wins.

Recent evidence for Peyton Stearns9 matches

Date / competitionMatch resultPredictedActualResult

29 Jul·WTA Memphis

#124Mary Stoiana1-2#58Peyton Stearns

BetBugsPeyton Stearns to win·58%

Matched

29 Jul 2026

WTA Memphis

#124Mary Stoiana1-2#58Peyton Stearns

Peyton Stearns to win

58%probability

Peyton Stearns won

Matched

21 Jun·WTA Eastbourne

#64Peyton Stearns0-2#73Kimberly Birrell

BetBugsPeyton Stearns to win·62%

Missed

21 Jun 2026

WTA Eastbourne

#64Peyton Stearns0-2#73Kimberly Birrell

Peyton Stearns to win

62%probability

Kimberly Birrell won

Missed

20 Jun·WTA Eastbourne

#64Peyton Stearns2-0#444Emily Appleton

BetBugsPeyton Stearns to win·82%

Matched

20 Jun 2026

WTA Eastbourne

#64Peyton Stearns2-0#444Emily Appleton

Peyton Stearns to win

82%probability

Peyton Stearns won

Matched

27 May·WTA Roland Garros

#93Daria Snigur0-2#78Peyton Stearns

BetBugsPeyton Stearns to win·55%

Matched

27 May 2026

WTA Roland Garros

#93Daria Snigur0-2#78Peyton Stearns

Peyton Stearns to win

55%probability

Peyton Stearns won

Matched

24 May·WTA Roland Garros

#88Sofia Kenin0-2#92Peyton Stearns

BetBugsPeyton Stearns to win·55%

Matched

24 May 2026

WTA Roland Garros

#88Sofia Kenin0-2#92Peyton Stearns

Peyton Stearns to win

55%probability

Peyton Stearns won

Matched

Head-to-Head

1-0 (1 meetings)

W7-5 2-6 6-4Elvina Kalieva#132vPeyton Stearns#58Jul 29, 2022

1 total meetings

Elvina Kalieva

8W 7L

3-6 7-5 7-5#52Zeynep Sonmez

6-1 7-6(3)#231Katherine Sebov

2-6 7-6(2) 7-5#252Caroline Dolehide

6-3 6-2#172Kayla Cross

7-6(2) 7-5#222Hayu Kinoshita

6-4 2-6 6-1#273Lea Ma

6-2 6-2#195Robin Montgomery

3-6 7-6(4) 6-4#528Ella Mcdonald

6-2 6-2#67Ashlyn Krueger

6-4 6-7(2) 6-2#280Mika Stojsavljevic

7-5 2-6 6-4#72Talia Gibson

7-6(4) 7-5#272Matilde Jorge

6-4 5-7 6-3#160Jazmin Ortenzi

6-3 7-5#312Anna Sinclair Rogers

3-6 6-2 6-2#364Amelia Honer

Peyton Stearns

8W 7L

6-1 6-2#181Tatiana Prozorova

6-7(5) 6-0 6-4#124Mary Stoiana

6-4 3-6 7-5#41Nikola Bartunkova

7-5 6-0#66Kimberly Birrell

7-5 6-3#512Emily Appleton

6-3 6-3#14Belinda Bencic

6-4 6-0#43Daria Snigur

6-3 6-3#116Sofia Kenin

6-1 6-3#61Daria Kasatkina

6-3 6-1#33Maria Sakkari

4-6 6-4 6-2#22Madison Keys

6-4 6-4#37Janice Tjen

6-4 5-7 7-6(4)#345Aliona Bolsova

7-5 6-3#1Aryna Sabalenka

6-1 6-3#292Lois Boisson

Stat Battle

Last 15 match performance, compared side by side.

EKElvina KalievaKalieva

Last 15

1–4

9 core stats · 4 even

Peyton StearnsStearnsPS

Peyton Stearns carries the stronger recent form — Elvina Kalieva's route runs through serve.

Serve · 1–2 · 2 even

1st Serve In55.6%+3.9pp59.5%

1st Serve Won65.9%—66.3%

2nd Serve Won47.8%—48.1%

Aces / Match3.9+0.93.0

Double Faults / Match5.01.7 fewer3.3

Return · 0–0 · 1 even

Return Pts Won43.4%—43.7%

Pressure · 0–1 · 1 even

Break Pts Converted43.3%—43.7%

Break Pts Saved54.1%+6.1pp60.2%

Points · 0–1

Total Pts Won50.3%+0.9pp51.2%

Serve · 1–2 · 2 even

55.6%1st Serve In+3.9pp59.5%

65.9%1st Serve Won—66.3%

47.8%2nd Serve Won—48.1%

3.9Aces / Match+0.93.0

5.0Double Faults / Match1.7 fewer3.3

Return · 0–0 · 1 even

43.4%Return Pts Won—43.7%

Pressure · 0–1 · 1 even

43.3%Break Pts Converted—43.7%

54.1%Break Pts Saved+6.1pp60.2%

Points · 0–1

50.3%Total Pts Won+0.9pp51.2%

Elvina Kalieva #132United States2Peyton Stearns #58United States1

Player Profiles

Elvina Kalieva

Peyton Stearns

Quick Take

Context

BetBugs edges

Over 20.5

Elvina Kalieva +4.5

Peyton Stearns 2-1

Peyton Stearns

Peyton Stearns

BetBugs probabilities

Result0 of 1 landed

Games2 of 2 landed

Sets0 of 1 landed

Match stats0 of 0 landed

Peyton Stearns has been highly reliable when projected to win

Head-to-Head

Elvina Kalieva

Peyton Stearns

Stat Battle