Marta Kostyuk def. Katherine Sebov — Round of 64, National Bank Open 2026
WTA 1000HardCanada
Played4 Aug 2026
🇺🇦ranked WTA number 11 going into this drawWon
Marta Kostyuk seeded 10 7 6
🇨🇦ranked WTA number 229 going into this draw
Katherine Sebov 64 0
🇺🇦Marta Kostyuk
🇨🇦Katherine Sebov
Match stats
Serve
5
Aces
0
7
Double faults
6
39%
1st serve in
68%
73%
1st serve points won
44%
53%
2nd serve points won
39%
61%
Service points won
42%
2/5
Break points saved
1/7
Return
58%
Return points won
39%
6/7
Break points won
3/5
67
Total points won
46
Stats, 6 months going in
Won–lost
8–2
Last 10 matches
1–3
2–1
Last 30 days
1–1
By surface
2–2
Hard
1–1
16–1
Clay
–
5–1
Grass
–
By round
5–0
R64
–
4–2
R32
0–1
8–2
At WTA 1000s
1–0
How their matches go
27
Completed matches
2
59%
Won in straight sets
50%
26%
Won after losing a set
0%
0%
Lost after winning a set
0%
15%
Lost in straight sets
50%
1–3
Tiebreaks
0–1
7–0
Deciding sets
–
20/20
Won after winning set 1
1/1
3/7
Won after losing set 1
0/1
Serve and return, last 5 matches
55%
1st serve in
–
74%
1st serve points won
–
52%
2nd serve points won
–
63%
Break points saved
–
45%
Return points won
–
43%
Break points won
–
3.4
Aces a match
–
3.8
Double faults a match
–
Last 14 days
0
Matches
2
0
Sets
4
26
Days since last match
2