Osaka v Mertens
WTA Tour career
Lineball analyst11–3
Naomi Osaka takes it, 11–3 on categories
Osaka wins on titles. Mertens’s case rests on return points won %, but it isn’t enough to swing it. WTA Tour career: Osaka 389 matches, Mertens 551 matches.
- Osaka has 7 titles (one every 25 matches) to Mertens’ 10 titles (one every 33.3 matches).
- Osaka averages 5.8 aces a match to Mertens’ 3.5 (63% more).
- Osaka has the better first-serve points won %: 71.8 to Mertens’s 67.
- Longevity: Mertens has 551 matches across 11 seasons, Osaka 389 in 12 — the averages matter more than the totals here.
- Not every stat was recorded for every match (titles, grand slam titles): those averages use only the games that logged them.
Built only from games in our stats database. A read of the numbers, not a tip.
Tale of the tape
Per game. Totals and best single game underneath.
- 0.07 total · best 1Titlesper game0.010 total · best 1
- 0.04 total · best 1Grand Slam titlesper game–
- 57.4First serve in %59.0
- 71.8First-serve points won %67.0
- 58.6Break points saved %56.2
- 42.5Return points won %45.6
- 5.82,230 total · best 18
Head to head
710 matches
since 20173
since 20173
- Hard · 8 matchesOsaka 5Mertens 3
- Grass · 2 matchesOsaka 2Mertens 0
- Grand Slams · 1 matchOsaka 1Mertens 0
Last meetings
- 23 Aug 2026 · US Open · Round of 32 · HardOsaka won 6-3 3-6 7-5
- 2 Aug 2026 · Toronto · Round of 32 · HardOsaka won 6-1 6-2
- 21 June 2026 · Bad Homburg · Round of 16 · GrassOsaka won 6-3 6-3
- 5 Aug 2024 · Toronto · Round of 32 · HardMertens won 6-3 6-4
- 10 June 2024 · s Hertogenbosch · Round of 32 · GrassOsaka won 6-2 6-4
- 6 Mar 2024 · Indian Wells · Round of 32 · HardMertens won 7-5 6-4
- 22 Mar 2021 · Miami · Round of 16 · HardOsaka won 6-3 6-3
- 24 Aug 2020 · Cincinnati · Semifinal · HardOsaka won 6-2 7-6(5)
- 16 Sept 2019 · Osaka · Semifinal · Hard
Last 10 games
Titles, oldest to newest.
Osaka––––––––––
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