Surface:
Hard
Round:
1/16
Sho Shimabukuro
JPN
ATP - 109
17
:
32
:
55
Jan Kumstat
CZE
ATP - 192

Shimabukuro vs Kumstat Prediction 27 October 2026

    🎾 Sho Shimabukuro and Jan Kumstat meet in the first round of the Seoul Challenger. The match is played on outdoor hard courts, which may favour the more consistent player. Both players come in with differing form, which provides some context for the analysis.

    Head-to-Head

    Sho Shimabukuro and Jan Kumstat have not previously met on tour.

    Sho Shimabukuro Player Overview

    Shо Shimabukuro arrives at this match in poor form - just three wins from his last 10 matches, with six of those defeats coming by a 0-2 scoreline. In his most recent outing he lost to Daniil Medvedev, and his only win in the last three matches came against Roman Safiullin. Over this period he is winning just 43% of games and taking only 29% of sets. Despite holding serve at 85%, that has not been enough to maintain control - opponents are winning more points against him and converting break points at a higher rate. He has also lost the first set in nine of his last ten matches, pointing to difficulties finding his level from the very start.

    Match Results: Sho Shimabukuro

    22.10.26
    ATP Almaty, Kazakhstan Men Singles
    Daniil Medvedev
    Daniil Medvedev
    Sho Shimabukuro
    Sho Shimabukuro
    2
    0
    6
    2
    6
    1
    L
    20.10.26
    ATP Almaty, Kazakhstan Men Singles
    Sho Shimabukuro
    Sho Shimabukuro
    Roman Safiullin
    Roman Safiullin
    2
    1
    64
    77
    6
    4
    6
    4
    W
    07.10.26
    SHA
    Sho Shimabukuro
    Sho Shimabukuro
    Miomir Kecmanovic
    Miomir Kecmanovic
    0
    2
    2
    6
    4
    6
    L
    01.10.26
    TOK
    Denis Shapovalov
    Denis Shapovalov
    Sho Shimabukuro
    Sho Shimabukuro
    2
    0
    7
    5
    6
    1
    L
    24.09.26
    ATP Hangzhou Singles
    Sho Shimabukuro
    Sho Shimabukuro
    Hugo Gaston
    Hugo Gaston
    0
    2
    4
    6
    4
    6
    L
    Empty
    There are no events
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    Jan Kumstat Player Overview

    Jan Kumstát is in solid form, winning 7 of his last 10 matches, and in half of those he has won the opening set. He leads his opponent significantly in sets won (65%) and games won (54%). Kumstát consistently accumulates points across matches, performing well both on serve (78% of service games held) and on return, with an above-average ace count over recent matches (7.2). Double faults have been minimal, and the frequency of comfortable wins allows him to control matches even against higher-ranked opponents.

    Match Results: Jan Kumstat

    18.10.26
    France Lyon
    Jan Kumstat
    Jan Kumstat
    Michael Mmoh
    Michael Mmoh
    1
    2
    1
    6
    77
    63
    3
    6
    L
    15.10.26
    Challenger Olbia
    Jacob Fearnley
    Jacob Fearnley
    Jan Kumstat
    Jan Kumstat
    2
    0
    6
    4
    6
    3
    L
    13.10.26
    Challenger Olbia
    Jan Kumstat
    Jan Kumstat
    Edas Butvilas
    Edas Butvilas
    2
    0
    77
    64
    77
    65
    W
    31.08.26
    Italy Como, ATP Challenger Men Singles
    Juan Pablo Varillas
    Juan Pablo Varillas
    Jan Kumstat
    Jan Kumstat
    2
    0
    6
    4
    6
    3
    L
    22.08.26
    Czech Republic Prague, ATP Challenger Men Singles
    Chun Hsin Tseng
    Chun Hsin Tseng
    Jan Kumstat
    Jan Kumstat
    1
    2
    7
    5
    3
    6
    0
    6
    W
    Empty
    There are no events
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    Key factors

    • Sho Shimabukuro has lost the first set in 9 of his last 10 matches.
    • Jan Kumstat has won 7 of his last 10 matches, showing consistent form.
    • Jan Kumstat's set-winning percentage is significantly higher (65% against 29%).
    • Sho Shimabukuro frequently loses matches without winning a set - 6 defeats 0-2 in his last 10 matches.
    • Jan Kumstat wins more games and more points than his opponent.

    Expected scenario

    In this match, the form advantage clearly lies with Jan Kumstát: his consistency shows in both his win rate and a higher percentage of sets and games won. Against the backdrop of Sho Shimabukuro's frequent quick defeats, the main scenario points to the Czech player dominating without a prolonged third set. This directly supports a bet on him to win.

    ⭐ Editor's Pick

    The difference in current form between the two players is clear: Jan Kumstat is consistent, frequently wins the opening set and maintains his level through to the end of matches. Sho Shimabukuro has been struggling from the early stages of his matches - something reflected in both his set results and the number of straight-set defeats he has suffered in recent weeks. Given this combination of statistics, a pick in favour of the Czech player seems logical. The bet is Jan Kumstat to Win.
    Jan Kumstat to Win
    Thunderpick
    Place a bet-102
    Published: 26/10/2026, 06:23
    Konstantin Brestov
    Konstantin Brestov
    Scores24 Editor. I dream of watching Cristiano Ronaldo play live.
    16
    1
    19
    36 predictions
    Statistics for October 2026

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    Betting Tips: Sho Shimabukuro - Jan Kumstat

    Sho Shimabukuro has lost the 1st set:
    shimabukuro-shoin 9 of last 10 matches.
    1st Set Jan Kumstat to Win
    Bovada
    +100
    Jan Kumstat won with a +1.5 sets handicap:
    jan-kumstatin 20 of last 22 matches.
    Jan Kumstat Sets Handicap (+1,5)
    -244
    Sho Shimabukuro has lost 0:2:
    shimabukuro-shoin 4 of last 5 matches.
    Correct Score (0:2)
    Thunderpick
    +218