Aryna Sabalenka vs Maria Camila Osorio SerranoUS Open Round of 128

US Open · WTA · Round of 128
#1WTA
2220ELO
2201Hard ELO
$5.1MYTD
$50MCAREER
28 yrs · 182 cm · Right-handed
Last 10
LWWWLWWWLW
Sets
Sunday, 30 August 2026 ·
hard
COL
Maria Camila Osorio Serrano
#58WTA
24 yrs
Last 10
LLLWWLWLWW
Sabalenka A.
vs
Camila Osorio Serrano M.

Aryna Sabalenka faces Maria Camila Osorio Serrano in the US Open round of 128 on hard. Aryna Sabalenka holds the paper edge — ranked #1, leading the head-to-head 1–0, defending the title.

Win Probability

Pre-match · updated 12:50 UTC
Sabalenka A.94%
Camila Osorio Serrano M.6%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Strong favourite · Sabalenka A. heavily favoured

Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Key context

  • Freshness: Workload contrast: Aryna Sabalenka 76 games in 14 days, Maria Camila Osorio Serrano 15.
  • Head-to-head: Aryna Sabalenka leads the head-to-head 1–0; this is their first meeting on hard. Last met at Wimbledon 2021.
  • Surface form: Aryna Sabalenka 3 of 5, Maria Camila Osorio Serrano 2 of 5 on hard recently — Aryna Sabalenka the sharper of late.

Common opponents

Last 12 months
6 common opponents · Sabalenka A. 8–2 · Camila Osorio Serrano M. 3–7
Sabalenka A. better · different surfaces (Hard × Grass)
Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.

Umpiry Score

Pre-match
6.8
Slight advantageUmpiry ScorePartial · surface data limited
Camila Osorio Serrano M.
5.9
Even matchUmpiry ScorePartial · surface data limited
Form & Matchup
5.0First meeting on hard
H2H
5.0First meeting on hard
7.58 of last 10 on hard
Surface form
4.25 of last 10 on hard
0.0
Win streak
0.0Lost last 3
Context
Defending pts
6.0Reached the R128 here last year

The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.

39 vs 22 matches

Statistics

This season
Sabalenka A.Camila Osorio Serrano M.
1st serve in·Even
65%
65%
1st serve points won·Slight edge
72%
64%
2nd serve points won·Slight edge
54%
49%
Service points won·Slight edge
65%
59%
Return points won·Even
45%
45%
Break points saved·Even
64%
62%
Aces / match·Clear edge
4.6
1.8
Double faults / match·Dominant
1.8
5.1

Averages over each player's completed matches in the selected window (39 vs 22). ATP, WTA & Challenger.

Serve vs return

This season
Sabalenka A.serving83% hold

wins 65% of points on serve vs Camila Osorio Serrano M.

Camila Osorio Serrano M.serving72% hold

wins 59% of points on serve vs Sabalenka A.

Serve advantage — Sabalenka A.

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Freshness

Recent load
Sabalenka A.Camila Osorio Serrano M.
Freshness·Even
91
94

Sabalenka A.: 9 days rest · 4 matches (14d) · Camila Osorio Serrano M.: 4 days rest · 1 match, 15 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather forecast
26°COvercast
Wind 12 km/hHumidity 79%

Head to head

10
DateTournamentRoundSurfaceWinnerScore
2021-07-02WimbledonR32grassAryna Sabalenka6-0 6-3

Draw