WTA BastadFinished

Predictions graded

Kaitlin Quevedo #107Spain0Simona Waltert #90Switzerland2

Sets 5-7 · 2-6Fri 10 Jul 2026, 09:22 Predictions gradedSemi-FinalClay

Predictions10–0100%

Edges6–0100%

Player Profiles

Ranking advantageSimona Waltert · 17 places

Kaitlin Quevedo

Spain

Spanish right-hander born in 2006. WTA lists her at a career-high No. 106, and Bastad's July 2026 semifinal run pushed her into a live Top 100 for the first time in AS coverage.

Current ranking: #107
Peak ranking: #106
Current age: 20
Preferred surface: —
Hand: Right handed
Height: 167 cm

Simona Waltert

Switzerland

Swiss right-hander coached by Stephane Bohli. WTA lists a career-high No. 81 and credits her with a first WTA 125 singles title at Rio de Janeiro in 2025.

Current ranking: #90
Peak ranking: #81
Current age: 25
Preferred surface: —
Hand: Right handed
Height: 176 cm

Quick Take

Pre-match view

Context last updated 10 Jul 2026, 15:08 · Europe/Bucharest

Simona Waltert's straight-set dominance in Bastad, including a recent H2H win over Quevedo, and Quevedo's heavy three-set workload make Waltert the clear favorite.

The match is likely to be decided in two sets with under 21.5 total games offering the best value.

Context

Quevedo beat Rinaldo Persson 7-6, 3-6, 6-3 on July 8 and Burillo 4-6, 6-4, 6-4 on July 9.
- Waltert has not dropped a set in Bastad, winning all four matches in straight sets.
- Quevedo's last two matches lasted over two and a half hours each, while Waltert's longest was under 90 minutes.
Waltert won 7-5, 6-2 on July 10 in the Bastad round of 16.
- Waltert broke Quevedo's serve five times and saved 80% of break points.
- Quevedo won only 40% of second-serve points in that match.
Waltert's 2025 clay record: 47-16; 2026: 14-8.
- Quevedo's 2026 clay record: 18-7, but most wins came against players ranked outside the top 150.
- Waltert has won 174 career clay matches compared to Quevedo's 91.

BetBugs edges

Compare BetBugs' chances with the market's.

Positive edges · 1

Other edges · 5

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

Match WinnerwonUncertainty band: Strong lean

Simona Waltert

1.04fair 1.54

BetBugs 65% · Market 96.2%

0.0ppshort

Waltert's dominant straight-set H2H win, superior clay record, and fresher physical condition give her a clear edge.

Total SetswonUncertainty band: Strong lean

Under 2.5

1.12fair 1.54

BetBugs 65% · Market 89.3%

0.0ppshort

Waltert's straight-set trend and Quevedo's fatigue make a two-set match likely, but the odds heavily overprice it.

Tiebreak in MatchwonUncertainty band: Strong lean

No

1.12fair 1.54

BetBugs 65% · Market 89.3%

0.0ppshort

Waltert's dominant scorelines and Quevedo's fatigue reduce tiebreak likelihood, but the model estimate is below the implied probability.

Set BettingwonUncertainty band: Lean

Simona Waltert 2-0

1.14fair 1.67

BetBugs 60% · Market 87.7%

0.0ppshort

Waltert's dominant straight-set form on clay and H2H win suggest a 2-0, but the odds heavily overprice it.

Set 2 WinnerwonUncertainty band: Lean

Simona Waltert

1.65fair 1.67

BetBugs 60% · Market 60.6%

0.0ppshort

Waltert's consistent second-set dominance in Bastad suggests she will close out the match in straight sets.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result1 of 1 landed

Signal quality Medium · Uncertainty band Strong lean · Market price 1.04
The read
Waltert's dominant straight-set H2H win, superior clay record, and fresher physical condition give her a clear edge.
- Waltert leads H2H 1-0, winning 7-5 6-2 on clay in this tournament on 2026-07-10.
- Waltert has a 14-8 clay record in 2026 and 47-16 in 2025, showing strong surface affinity.
- Quevedo has played back-to-back three-set matches in the last two rounds, indicating higher fatigue.
- Waltert has not dropped a set in Bastad, winning all matches in straight sets.
BetBugs · Match WinnerwonSimona WaltertEstimated chance65%

Games4 of 4 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.80
The read
Waltert's straight-set dominance and low game counts in Bastad point to a match under 21.5 games.
- Their H2H match had 20 games (7-5, 6-2).
- Waltert's four Bastad matches averaged 16.5 games per match.
- Quevedo's last three matches averaged 25.3 games, but Waltert's efficiency suggests a shorter match.
BetBugs · Total GameswonUnder 21.5Estimated chance60%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Quevedo's competitive first sets and the H2H scoreline suggest the first set could exceed 9.5 games.
- Their H2H first set had 12 games (7-5).
- Quevedo's last three first sets had 13, 10, and 13 games.
- Waltert's first sets in Bastad: 10, 8, 8, 10 games.
BetBugs · Set 1 Total GameswonOver 9.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Waltert's strong second-set performances and Quevedo's fatigue could lead to a quick second set under 8.5 games.
- Their H2H second set had 8 games (6-2).
- Waltert's second sets in Bastad: 7, 6, 7, 7 games.
- Quevedo's second sets in her last three matches: 10, 10, 6 games.
BetBugs · Set 2 Total GameswonUnder 8.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Waltert's dominant game margins in Bastad suggest she can cover a -3.5 game handicap.
- Waltert won the H2H by 6 games (13-7).
- Waltert's average game margin in Bastad is +7.5 games per match.
- Quevedo's last three matches had an average game margin of +1.3.
BetBugs · Game HandicapwonSimona Waltert -3.5Estimated chance55%

Sets4 of 4 landed

Signal quality Medium · Uncertainty band Strong lean · Market price 1.12
The read
Waltert's straight-set trend and Quevedo's fatigue make a two-set match highly likely.
- Waltert has won all four Bastad matches in straight sets.
- Quevedo has gone to three sets in her last two matches, but Waltert's form suggests a straight-set win.
- H2H was a straight-set win for Waltert.
BetBugs · Total SetswonUnder 2.5Estimated chance65%
Signal quality Medium · Uncertainty band Lean · Not priced
The read
Waltert's fast starts in Bastad and Quevedo's recent first-set struggles make Waltert the likely set 1 winner.
- Waltert won the first set 7-5 in their H2H meeting on 2026-07-10.
- Waltert has won the first set in all four Bastad matches, losing only 10 games total in those sets.
- Quevedo lost the first set in her last two matches, needing comebacks to win.
BetBugs · Set 1 WinnerwonSimona WaltertEstimated chance62%
Signal quality Medium · Uncertainty band Lean · Market price 1.65
The read
Waltert's consistent second-set dominance in Bastad suggests she will close out the match in straight sets.
- Waltert won the second set 6-2 in their H2H meeting.
- Waltert has won the second set in all four Bastad matches, conceding only 8 games total.
- Quevedo's second-set performance has been inconsistent, losing it in two of her last three matches.
BetBugs · Set 2 WinnerwonSimona WaltertEstimated chance60%
Signal quality Medium · Uncertainty band Lean · Market price 1.14
The read
Waltert's consistent straight-set wins and Quevedo's recent three-set struggles support a 2-0 outcome.
- Waltert won the H2H 2-0.
- Waltert has won all Bastad matches 2-0.
- Quevedo's last two wins were 2-1, indicating vulnerability.
BetBugs · Set BettingwonSimona Waltert 2-0Estimated chance60%

Match stats1 of 1 landed

Signal quality Medium · Uncertainty band Strong lean · Market price 1.12
The read
Waltert's comfortable scorelines and Quevedo's fatigue reduce the likelihood of a tiebreak.
- Waltert has not played a tiebreak in Bastad.
- Quevedo played one tiebreak in her last five matches.
- H2H had no tiebreaks.
BetBugs · Tiebreak in MatchwonNoEstimated chance65%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players have moderate ace rates, and a two-set match could see over 5.5 total aces.
- Waltert's ace rate is 3.0% (career 1077 aces in 535 matches).
- Quevedo's ace rate is 2.5% (career 365 aces in 225 matches).
- Combined ace rate suggests around 6-7 aces in a typical two-set match.
BetBugs · Total AcesOver 5.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Waltert's high double fault rate is likely to contribute to over 7.5 total double faults.
- Waltert's double fault rate is 6.8% (career 2498 DFs in 535 matches).
- Quevedo's double fault rate is 3.6% (career 536 DFs in 225 matches).
- Waltert's high DF rate could push the total over 7.5 in a two-set match.
BetBugs · Total Double FaultsOver 7.5Estimated chance55%

Markets to Avoid

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

Pre-match flagged 3 avoid-market areas; caution remains warranted in high-variance spots.

Head-to-Head

0-1 (1 meetings)

L7-5 6-2Kaitlin Quevedo#107vSimona Waltert#90Jul 10, 2026

1 total meetings

Kaitlin Quevedo

11W 4L

7-5 6-2#90Simona Waltert

4-6 6-4 6-4#287Irene Burillo

7-6(5) 3-6 6-3#219Kajsa Rinaldo Persson

6-2 6-3#745Tiana Tian Deng

6-4 6-4#146Claire Liu

6-0 6-3#687Sayaka Ishii

6-3 6-4#147Laura Samson

6-3 3-6 6-4#161Jeline Vandromme

6-3 6-4#158Jazmin Ortenzi

6-0 6-4#8Elina Svitolina

7-6(5) 7-6(2)#132Leolia Jeanjean

3-6 6-4 6-3#181Guiomar Zuleta De Reales

7-6(3) 3-6 6-2#184Teodora Kostovic

4-6 6-1 7-5#170Nuria Brancaccio

6-3 6-2#151Andrea Lazaro Garcia

Simona Waltert

8W 7L

7-5 6-2#107Kaitlin Quevedo

6-2 6-1#143Leyre Romero Gormaz

6-2 6-0#619Aneta Laboutkova

6-4 6-1#119Katarzyna Kawa

6-2 6-1#68Maria Camila Osorio Serrano

6-4 6-7(4) 6-4#47Petra Marcinko

6-4 6-3#151Andrea Lazaro Garcia

6-0 6-3#184Teodora Kostovic

6-4 7-6(4)#36Katerina Siniakova

6-3 6-4#66Anhelina Kalinina

6-7(9) 6-4 6-4#30Hailey Baptiste

7-5 4-6 6-1#55Yuliia Starodubtseva

6-2 1-6 7-5#121Yue Yuan

6-2 7-6(4)#321Georgia Pedone

3-6 7-6(8) 6-1#243Mia Pohankova

Kaitlin Quevedo #107Spain0Simona Waltert #90Switzerland2

Player Profiles

Kaitlin Quevedo

Simona Waltert

Quick Take

Context

BetBugs edges

Under 21.5

Simona Waltert

Under 2.5

No

Simona Waltert 2-0

Simona Waltert

BetBugs probabilities

Result1 of 1 landed

Games4 of 4 landed

Sets4 of 4 landed

Match stats1 of 1 landed

Markets to Avoid

Simona Waltert 2-0 @ 1.14

Under 2.5 @ 1.12

Head-to-Head

Kaitlin Quevedo

Simona Waltert