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Guadalajara Predictions & Picks — September 17, 2026

By The Maiden Desk · September 17, 2026

Every number below was fixed before the match and graded against the official result.

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4 matches are on Thursday's card at Guadalajara, and we have a pick for every one of them. The headline act: Cristina Bucsa against Sara Bejlek in the quarterfinal. Our calls: Bejlek over Bucsa, Kostyuk over Samsonova, Jovic over Frech, Samsonova over Day.

Cristina Bucsa vs. Sara Bejlek

✗ Pick wrongMissed it. We had Sara Bejlek at 63%, but Cristina Bucsa won 6-0 6-4.

Pick: Bejlek

Win probability: 63% Bejlek · Market: -169 · Sets: 2 (63%) · most likely score 2-0 (41%)

Thursday's Guadalajara quarterfinal pits Cristina Bucsa against Sara Bejlek on hard. Sara Bejlek has won 7 of the last 10. Cristina Bucsa is 6-4 across recent matches.

Sara Bejlek is clearly higher-rated on hard — our number puts Bejlek around 63%. The edge belongs to Bejlek — real, but not the kind you take for granted at this level.

Kayla Day vs. Liudmila Samsonova

✓ Pick rightWe got this one right. Liudmila Samsonova was our 72% pick, and won 7-6 2-6 7-6.

Pick: Samsonova

Win probability: 72% Samsonova · Market: -223 · Sets: 2 (68%) · most likely score 2-0 (51%)

Thursday's Guadalajara round of 16 pits Kayla Day against Liudmila Samsonova on hard. Liudmila Samsonova is searching for form, having lost 2 in a row (6 of the last 10). Kayla Day is 3-7 across recent matches.

Hold strength tells the story — 69.2% versus 63.3% on first-serve points in Samsonova's favor. Anything other than a Samsonova win would rank among the bigger surprises of the week.

Iva Jovic vs. Magdalena Frech

✓ Pick rightThis one lands on the correct side of the ledger: 65% on Iva Jovic, who won 6-2 6-1.

Pick: Jovic

Win probability: 65% Jovic · Market: -262 · Sets: 2 (64%) · most likely score 2-0 (44%)

A spot in the next round is at stake on Thursday, when Iva Jovic goes up against Magdalena Frech in the Guadalajara quarterfinal. Iva Jovic comes in at 6 wins from the last ten. Magdalena Frech comes in at 6 wins from the last ten.

There's a wide gap in our ratings on hard, and our number follows from it. Jovic should have enough here, though Frech has the tools to make the scoreboard uncomfortable.

Liudmila Samsonova vs. Marta Kostyuk

✗ Pick wrongWe got this one wrong. Our final number was 72% on Marta Kostyuk; Liudmila Samsonova won 4-6 6-2 7-5.

Pick: Kostyuk

Win probability: 72% Kostyuk · Market: -335 · Sets: 2 (66%) · most likely score 2-0 (50%)

A spot in the next round is at stake on Thursday, when Liudmila Samsonova goes up against Marta Kostyuk in the Guadalajara quarterfinal. Marta Kostyuk is 7-3 across recent matches. Liudmila Samsonova is 6-4 across recent matches.

Marta Kostyuk is clearly higher-rated on hard — our number puts Kostyuk around 72%. The edge belongs to Kostyuk — real, but not the kind you take for granted at this level.

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Updated Sep 16, 2026, 1:01 AM UTC. Picks are frozen before first serve and graded on the track record page — this page is never edited after the fact.