Kostyuk vs Samsonova Prediction 17 September 2026
🔊 Marta Kostyuk reached the quarter-finals of the Guadalajara 500 without hitting a ball. After the US Open, Kostyuk reached a career-high ranking, becoming only the second Ukrainian woman after Elina Svitolina to break into the WTA top 10. That achievement earned her the top seed at this tournament, giving her a first-round bye, and her second-round opponent Taylor Townsend withdrew. In the quarter-finals, Kostyuk faces Ludmila Samsonova, who has already played five sets and three tie-breaks in the main draw. It remains to be seen whether Samsonova has enough left in the tank to extend her winning run against the newly crowned world number ten.
Head-to-Head
📊 Ludmila Samsonova leads the head-to-head 4-0. Three of those meetings were on hard court, and in the most recent match the Ukrainian pushed her hard despite losing (4-6, 7-6, 5-7).
Head-to-head statistics Kostyuk - Samsonova
Marta Kostyuk Player Overview
Marta Kostyuk arrives at the quarter-final having won seven of her last ten matches, including a quarter-final run at the summer hard-court Masters in Toronto and a second-week appearance at the US Open. This is her first time in Guadalajara, though she has yet to actually play a match: she had a first-round bye as the top seed, and her second-round opponent Taylor Townsend retired after requiring emergency surgery.
Kostyuk is an aggressive baseliner with excellent footwork that allows her not only to cover the full width of the baseline and retrieve balls from deep corner positions, but also to come forward to the net regularly. She also frequently pushes opponents back and forth, mixing in unexpected drop shots. The balance between attack and defence is reflected in her key numbers: 66% of service games held and a break-point conversion rate above half, at 54%.
Match Results: Marta Kostyuk
Ludmila Samsonova Player Overview
Ludmila Samsonova has also been in decent form, winning six of her last ten matches, with recent victories over Elsa Jacquemot (7-6, 6-2) and Kayla Day (7-6, 2-6, 7-6) in Guadalajara. That said, her summer hard-court swing was less consistent than her upcoming opponent's: she took a break for her wedding, and her best result on tour was a fourth-round appearance at the Toronto 1000.
Samsonova is one of the most powerful and uncompromising exponents of aggressive baseline tennis, built around maximum ball speed. Her serve, which she holds at 68%, regularly exceeds 190 km/h, and during rallies she relies heavily on flat, ultra-aggressive forehands. Her technical range does include a slice backhand, though she tends to avoid it to keep rallies short.
Match Results: Ludmila Samsonova
Key factors
- Total Games - Over 19.5 has landed in each of Ludmila Samsonova's last seven matches.
- Marta Kostyuk averages 20.6 games per match; Ludmila Samsonova averages 26.8.
- All four head-to-head meetings have been won by Ludmila Samsonova, but three of those four went over 22.5 games.
Expected scenario
Samsonova, with her powerful serve and heavy flat groundstrokes, will look to seize control from the opening games, ending rallies in two or three shots. Kostyuk will counter that direct pressure with her explosive athleticism and movement, aiming not just to sustain deep rallies but to hit back sharply with her forehand and use drop shots to draw Samsonova into the net.
Total Games Prediction
Long matches have become the norm for Ludmila Samsonova - the Over has come in in the majority of her recent outings. The 500-level event in Guadalajara, where she had to play through three tie-breaks across the first two rounds, was further confirmation of the pattern that has established itself over recent months.
⭐ Editor's Pick
The quarter-final in Guadalajara between Marta Kostyuk and Ludmila Samsonova is expected to be an intensely aggressive, power-hitting contest where attacking strength on the fast Mexican courts will be the decisive factor. Kostyuk arrives fresh, having had an unplanned bye in the previous round, while Samsonova spent considerable energy in a gruelling three-set match against Kayla Day - so the Ukrainian is likely to try to draw her opponent into extended rallies deliberately.
The current difference in ranking also suggests the betting favourite will probably be able to impose her preferred game plan. That said, Samsonova's ball-striking quality and power should be enough to keep the score close for long stretches. This potential scenario leads us towards Total Games - Over 18.5. The line looks achievable given that most of their previous meetings have gone beyond even higher game totals.
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Betting Tips: Marta Kostyuk - Ludmila Samsonova
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