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Set by set
| Player | Set 1 | Set 2 | Sets |
|---|---|---|---|
| D. Ostapenkov | 6 | 6 | 2 |
| Q. Vandecasteele | 4 | 4 | 0 |
Match facts
Tournament
Sioux Falls, USA
Category
Challenger
Round
Qualification Round 1
Surface
hard
Court
Kwik Star Stadium
City
Sioux Falls
First serve
Q. Vandecasteele
Total games
12–8
Recent form
D. Ostapenkov · match stats · Q. Vandecasteele
9Aces3
2Double faults3
64%First serve in52%
79%First-serve points won66%
90%Second serve in90%
62%Second-serve points won60%
100%Break points saved50%
50%Break points converted0%
37%Return points won27%
43Service points won39
23Receiver points won16
66Total points won55
12Games won8
10Service games won8
0Tiebreaks won0
7Longest point streak4
3Longest game streak1
Per set · aces & double faults
| Set | Aces | Double faults |
|---|---|---|
| Set 1 | 2–1 | 1–1 |
| Set 2 | 5–2 | 1–2 |
Figures read D. Ostapenkov first.
Set 245 min · 10 games · newest first
5-4
game 10
D. Ostapenkov serving
0-15
15-15
30-15
5-4
game 9
Q. Vandecasteele serving
0-15
0-30
15-30
15-40
5-3
game 8
D. Ostapenkov serving
15-0
30-0
30-15
40-15
4-3
game 7
Q. Vandecasteele serving
BREAK
0-15
15-15
30-15
30-30
30-40
40-40
A-40
3-3
game 6
D. Ostapenkov serving
0-15
15-15
30-15
30-30
40-30
40-40
40-A
40-40
A-40
2-3
game 5
Q. Vandecasteele serving
0-15
15-15
15-30
30-30
40-30
40-40
40-A
2-2
game 4
D. Ostapenkov serving
15-0
30-0
40-0
40-15
1-2
game 3
Q. Vandecasteele serving
15-0
15-15
15-30
15-40
1-1
game 2
D. Ostapenkov serving
15-0
15-15
30-15
40-15
40-30
0-1
game 1
Q. Vandecasteele serving
15-0
15-15
15-30
15-40
Set 136 min · 10 games · newest first
6-4
game 10
D. Ostapenkov serving
15-0
15-15
15-30
30-30
40-30
5-4
game 9
Q. Vandecasteele serving
BREAK
15-0
30-0
40-0
40-15
4-4
game 8
D. Ostapenkov serving
0-15
0-30
15-30
15-40
30-40
40-40
A-40
3-4
game 7
Q. Vandecasteele serving
0-15
0-30
0-40
15-40
3-3
game 6
D. Ostapenkov serving
15-0
15-15
30-15
40-15
2-3
game 5
Q. Vandecasteele serving
0-15
0-30
0-40
15-40
2-2
game 4
D. Ostapenkov serving
15-0
30-0
40-0
1-2
game 3
Q. Vandecasteele serving
0-15
15-15
30-15
30-30
30-40
1-1
game 2
D. Ostapenkov serving
15-0
30-0
40-0
40-15
0-1
game 1
Q. Vandecasteele serving
15-0
15-15
15-30
15-40
30-40
40-40
40-A
40-40
40-A
Point chips read D. Ostapenkov first · highlighted border marks the point winner.
Head to head
W
Colombus, USA Men Singles · Sep 2026 · hard
2–0
W
San Diego 2, USA, · Sep 2026 · hard
2–1
W/L from D. Ostapenkov's perspective.
Win probability
D. OstapenkovQ. Vandecasteele
57%
Model confidence
Why the model thinks so
- Better ranking (+32 places)
How the model did
Predicted Q. Vandecasteele
— wrong
D. Ostapenkov
2.00
consensus price, since opening
Q. Vandecasteele
1.73
consensus price, since opening
Match winnerdecimal
Bookmaker
D. Ostapenkov
Q. Vandecasteele
10bet
2.20
1.60
1xBet
2.22
1.59
888Sport
2.25
1.57
Betsson
2.19
1.60
Bwin
2.18
1.59
Interwetten
2.20
1.60
Novibet
2.20
1.60
SportingBet
2.18
1.59
Vistabet
2.18
1.59
William Hill
2.25
1.57
fonbet
2.25
1.57
Consensus
2.21 ▼
1.59 ▼
O/U Games 21.50Full Match
Bookmaker
Over
Under
1xBet
1.75
1.94
888Sport
1.80
1.91
Betsson
1.74
1.98
Novibet
1.74
1.98
William Hill
1.80
1.91
Consensus
1.77
1.94
Games Handicap 2.50Full Match
Bookmaker
D. Ostapenkov
Q. Vandecasteele
1xBet
1.82
1.86
888Sport
1.85
1.85
Betsson
1.81
1.89
Interwetten
1.80
1.90
William Hill
1.85
1.85
Consensus
1.83
1.87
O/U Sets 2.50Full Match
Bookmaker
Over
Under
1xBet
2.28
1.53
Betsson
2.37
1.52
fonbet
2.30
1.55
Consensus
2.32
1.53
Set Handicap -1.50Full Match
Bookmaker
D. Ostapenkov
Q. Vandecasteele
1xBet
3.56
1.23
Interwetten
3.60
1.25
William Hill
3.75
1.25
fonbet
3.70
1.23
Consensus
3.65
1.24
Player O/U Games 10.50Full Match
Bookmaker
Over
Under
William Hill
1.57
2.30
Consensus
1.57
2.30
Match Winner1st Set
Bookmaker
D. Ostapenkov
Q. Vandecasteele
1xBet
2.07
1.66
888Sport
2.10
1.67
Betsson
2.09
1.66
Interwetten
2.10
1.65
Novibet
2.10
1.66
fonbet
2.10
1.65
Consensus
2.09
1.66
O/U Games 8.501st Set
Bookmaker
Over
Under
Novibet
1.28
3.50
William Hill
1.36
3.00
fonbet
1.30
3.15
Consensus
1.31
3.22
Games Handicap -2.501st Set
Bookmaker
D. Ostapenkov
Q. Vandecasteele
William Hill
4.75
1.15
Consensus
4.75
1.15
Player O/U Games 3.501st Set
Bookmaker
Over
Under
William Hill
1.50
2.50
Consensus
1.50
2.50
Match Winner2nd Set
Bookmaker
D. Ostapenkov
Q. Vandecasteele
888Sport
2.10
1.67
Interwetten
2.15
1.65
Novibet
2.12
1.64
Consensus
2.12
1.65
O/U Games 21.502nd Set
Bookmaker
Over
Under
1xBet
1.75
1.94
888Sport
1.80
1.91
Betsson
1.74
1.98
Novibet
1.74
1.98
William Hill
1.80
1.91
Consensus
1.77
1.94
Games Handicap 2.502nd Set
Bookmaker
D. Ostapenkov
Q. Vandecasteele
1xBet
1.82
1.86
888Sport
1.85
1.85
Betsson
1.81
1.89
Interwetten
1.80
1.90
William Hill
1.85
1.85
Consensus
1.83
1.87
Player O/U Games 10.502nd Set
Bookmaker
Over
Under
William Hill
1.57
2.30
Consensus
1.57
2.30