Naomi Osaka vs Elise Mertens — US Open Round of 32
JPN13
BEL23
Osaka N.
Naomi Osaka advanced to the Round of 16 at the US Open by defeating Elise Mertens in the Round of 32. The match ended with a score of 6-3, 3-6, 7-5 in Osaka's favor. Osaka served 5 aces and committed 2 double faults, while Mertens had 1 ace and 4 double faults; both players converted 2 service breaks each.
Generated automatically from Umpiry match data.
Around the match
Osaka is working toward a return to championship-level play after an extended absence from Major finals.
Umpiry summary — not a quote
Osaka N.Last Word On Sports ↗“I have no problem losing a match if I feel like I'm playing good, but I just felt like I was playing terribly.”
Osaka N.WTA Tennis ↗
Quotes belong to their sources, linked above. Lines marked “Umpiry summary” are written by Umpiry from the linked article, not quoted from it.
Key context
- Match story: Naomi Osaka closed it out in three sets, 6–3 3–6 7–5.
Head to head
6–3| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2026-08-07 | Toronto | R32 | hard | Naomi Osaka | 1-6 2-6 |
| 2026-06-23 | Bad Homburg | R16 | grass | Naomi Osaka | 6-3 6-3 |
| 2024-08-05 | Toronto | R32 | hard | Elise Mertens | 6-3 6-4 |
| 2024-06-10 | s Hertogenbosch | R32 | grass | Naomi Osaka | 6-2 6-4 |
| 2024-03-06 | Indian Wells | R32 | hard | Elise Mertens | 7-5 6-4 |
| 2021-03-22 | Miami | R16 | hard | Naomi Osaka | 6-3 6-3 |
| 2020-08-24 | Cincinnati | SF | hard | Naomi Osaka | 6-2 7-6 |
| 2019-09-16 | Osaka | SF | hard | Naomi Osaka | 6-4 6-1 |
| 2017-09-25 | Wuhan | R64 | hard | Elise Mertens | 6-4 1-6 6-4 |
Statistics
This seasonAverages over each player's completed matches in the selected window (30 vs 35). ATP, WTA & Challenger.
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Win Probability
Pre-match · updated 22:50 UTC50–58%
58–67%
67–80%
80%+
Clear favourite · Osaka N. clearly ahead, but no certainty
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Freshness
Recent loadOsaka N.: 2 days rest · 3 matches, 74 games (7d) · Mertens E.: 3 days rest · 2 matches, 51 games (7d). Higher means fresher. About