Naomi Osaka def. Elise Mertens — Round of 32, National Bank Open 2026
WTA 1000HardCanada
Played7 Aug 2026
🇯🇵ranked WTA number 13 going into this drawWon
Naomi Osaka seeded 11 6 6
🇧🇪ranked WTA number 23 going into this draw
Elise Mertens seeded 20 1 2
🇯🇵Naomi Osaka
🇧🇪Elise Mertens
Match stats
Serve
7
Aces
5
2
Double faults
5
57%
1st serve in
53%
85%
1st serve points won
61%
60%
2nd serve points won
28%
74%
Service points won
45%
3/3
Break points saved
4/8
Return
55%
Return points won
26%
4/8
Break points won
0/3
64
Total points won
36
Head to head
3–2 Osaka
Stats, 6 months going in
Won–lost
7–3
Last 10 matches
7–3
3–1
Last 30 days
1–1
By surface
5–3
Hard
6–4
7–3
Clay
5–4
8–2
Grass
7–4
By round
6–0
R32
7–4
3–4
R16
1–6
7–4
At WTA 1000s
9–6
How their matches go
26
Completed matches
30
58%
Won in straight sets
47%
15%
Won after losing a set
13%
4%
Lost after winning a set
10%
23%
Lost in straight sets
30%
5–2
Tiebreaks
2–2
4–1
Deciding sets
4–3
18/19
Won after winning set 1
14/16
1/7
Won after losing set 1
4/14
Serve and return, last 5 matches
52%
1st serve in
54%
71%
1st serve points won
71%
52%
2nd serve points won
41%
57%
Break points saved
69%
38%
Return points won
44%
47%
Break points won
49%
7.4
Aces a match
4.0
3.6
Double faults a match
6.8
Last 14 days
4
Matches
1
9
Sets
3
2
Days since last match
2
Common opponents, 6 monthsCommon opponents, 6 months going in
| Opponent | Naomi Osaka | Elise Mertens |
|---|---|---|
| 🇭🇺UdvardyNo. 74 | ||
| 🇭🇺UdvardyNo. 74 | WonCanada R64 | WonRome R64 |
| 🇵🇭EalaNo. 28 | ||
| 🇵🇭EalaNo. 28 | LostWashington SF | WonBad Homburg R32WonMadrid R64 |
| 🇨🇿MuchováNo. 6 | ||
| 🇨🇿MuchováNo. 6 | LostLondon QFLostBad Homburg F | LostStuttgart R16 |
| 🇦🇺KasatkinaNo. 61 | ||
| 🇦🇺KasatkinaNo. 61 | WonLondon R32 | LostDoha R32 |
| 🇩🇪SiegemundNo. 88 | ||
| 🇩🇪SiegemundNo. 88 | WonParis R128 | WonLondon R128 |
| Total | ||
| Total | 3–3 | 4–2 |