Surface:
Hard
Round:
Qualifying Round 2
Elvina Kalieva
USA
WTA - 115
2
:
1
Ended
Sofia Costoulas
BEL
WTA - 155

Kalieva vs Costoulas Prediction 26 August 2026

    USA
    Elvina Kalieva
    BEL
    Sofia Costoulas
    3
    6
    6
    2
    6
    3
    4
    1

    🔊 In the second round of US Open qualifying, Elvina Kalineva takes on Sofia Costoulas on hard courts, a surface that typically favours quicker rallies. Both players' most recent matches ended without any extended sets, which adds an interesting dimension to this one.

    Head-to-Head

    📊 Kalieva and Kostoulas have met twice, with one win apiece. Their most recent match went to three sets, though their meetings overall have not been particularly drawn-out affairs. The head-to-head record offers little guidance here.

    Head-to-head statistics Kalieva - Costoulas

    67%
    2 Wins
    33%
    1 Win
    26.08.26
    USO
    Elvina Kalieva
    Elvina Kalieva
    Sofia Costoulas
    Sofia Costoulas
    2
    1
    3
    6
    6
    3
    6
    4
    08.03.24
    ITF Dominican Republic 01A
    Elvina Kalieva
    Elvina Kalieva
    Sofia Costoulas
    Sofia Costoulas
    2
    1
    6
    7
    6
    4
    6
    0
    19.05.23
    ITF Austria 06A, Women Singles
    Sofia Costoulas
    Sofia Costoulas
    Kalieva, Elvina
    Kalieva, Elvina
    2
    0
    6
    2
    6
    3
    Empty
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    Elvina Kalieva Player Overview

    Kalieva arrives at this match having won six of her last ten. In the previous qualifying round she came through comfortably against Kristina Mladenovic, though she had earlier lost to Alexandra Oleynikova and Katrina Scott. Her matches average just under 23 games - close to the selected total line. She does struggle to hold serve, winning only around a third of her service games and committing above-average double faults per match. That said, a 48% break-point conversion rate and consistent pressure on return mean most of her matches are settled in straight sets.

    Match Results: Elvina Kalieva

    30.08.26
    USO
    Elvina Kalieva
    Elvina Kalieva
    Lanlana Tararudee
    Lanlana Tararudee
    1
    2
    3
    6
    77
    64
    2
    6
    L
    28.08.26
    USO
    Elvina Kalieva
    Elvina Kalieva
    Vendula Valdmannova
    Vendula Valdmannova
    2
    1
    5
    7
    6
    4
    6
    4
    W
    26.08.26
    USO
    Elvina Kalieva
    Elvina Kalieva
    Sofia Costoulas
    Sofia Costoulas
    2
    1
    3
    6
    6
    3
    6
    4
    W
    25.08.26
    USO
    Elvina Kalieva
    Elvina Kalieva
    Kristina Mladenovic
    Kristina Mladenovic
    2
    1
    6
    2
    1
    6
    6
    1
    W
    14.08.26
    USA Cincinnati
    Elvina Kalieva
    Elvina Kalieva
    Oleksandra Oliynykova
    Oleksandra Oliynykova
    0
    2
    4
    6
    1
    6
    L
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    Sofia Costoulas Player Overview

    Kostoulas also has six wins from her last ten matches, though she stands out for a higher hold rate - she holds serve in roughly half of all her service games. Her most recent outing was a straight-sets win over Jennifer Ruggeri. Over her last seven matches, the under has consistently come in, with an average of just over twenty games per match, and she has been conceding fewer bagel sets thanks to a solid 73% first-serve percentage. Her break-point conversion rate, however, remains modest at 38%, which limits her ability to push matches to a third set.

    Match Results: Sofia Costoulas

    26.08.26
    USO
    Elvina Kalieva
    Elvina Kalieva
    Sofia Costoulas
    Sofia Costoulas
    2
    1
    3
    6
    6
    3
    6
    4
    L
    25.08.26
    USO
    Sofia Costoulas
    Sofia Costoulas
    Jennifer Ruggeri
    Jennifer Ruggeri
    2
    0
    7
    5
    6
    4
    W
    14.08.26
    ITF Spain W35 Vigo
    Sofia Costoulas
    Sofia Costoulas
    Matilde Jorge
    Matilde Jorge
    0
    2
    6
    7
    0
    6
    L
    13.08.26
    ITF Spain W35 Vigo
    Sofia Costoulas
    Sofia Costoulas
    Sofia Camila Rojas
    Sofia Camila Rojas
    2
    0
    6
    3
    6
    3
    W
    12.08.26
    ITF Spain W35 Vigo
    Sofia Costoulas
    Sofia Costoulas
    Eva Alvarez Sande
    Eva Alvarez Sande
    2
    0
    6
    1
    6
    1
    W
    Empty
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    Key factors

    • In Kostoulas's last seven matches, the total games count came in under 22.5.
    • Kalieva averages 22.9 games per match; Kostoulas averages 20.7.
    • Both players frequently win in straight sets.
    • Their head-to-head meetings have produced no extended matches.

    Expected scenario

    Based on both players' recent results and their tendency to finish matches in straight sets, a high game count looks unlikely. Even when a third set is possible, the final total has most often fallen in the range of 20 to 23 games - which supports the under bet.

    Total Games Prediction

    The statistics point firmly towards low totals when Kostoulas is involved: her recent matches rarely go to a third set or a tie-break, and the final game count has almost always come in under the posted line.

    ⭐ Editor's Pick

    Neither player heads into this second-round qualifying match with a clear edge in form or head-to-head record, but their match-length statistics point to a tendency for short, straight-sets affairs with a modest game count. Kalieva's and, particularly, Kostulas's average match lengths suggest the final tally is unlikely to exceed the set threshold even with a competitive second set or a brief third set if either player needs to recover a deficit. Our pick is Total Games - Under 22.5.
    Total Under (22,5)
    Published: 26/08/2026, 09:22
    Viktar Piatrouski
    Viktar Piatrouski
    Tennis and football specialist
    322
    1
    289
    612 predictions
    Statistics for August 2026

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    Betting Tips: Elvina Kalieva - Sofia Costoulas

    Elvina Kalieva has lost the 2nd set:
    elvina-kalievain last 5 matches.
    2nd Set Sofia Costoulas Win
    -103
    Under 2.5 sets:
    costoulas-sofia-1in last 7 Sofia Costoulas games.
    Sets Total Under (2,5)
    MyBookie
    -196
    Sofia Costoulas has won under 12.5 games:
    costoulas-sofia-1in 6 of last 7 matches.
    Sofia Costoulas Total Under (12,5)
    -156
    Under 21.5 games:
    costoulas-sofia-1in 6 of last 7 Sofia Costoulas games.
    Total Under (21,5)
    MyBookie
    -104