Simona Waltert vs Petra MarcinkoCincinnati Round of 128

Cincinnati · WTA · Round of 128
#87WTA
1670ELO
1606Hard ELO
25 yrs · Right-handed
Last 10 · pre-match
LLLLWWWWLL
2 — 1
Sets
Thursday, 13 August 2026 ·
hard
#72WTA
1745ELO
1639Hard ELO
$588kYTD
$1.1MCAREER
20 yrs · 176 cm
Last 10 · pre-match
LWWLLLWWWL
Waltert S.
5-7 6-4 6-2
Marcinko P.
Waltert S.
5662
Marcinko P.
7421

Simona Waltert defeated Petra Marcinko in the Round of 128 at the Cincinnati tournament on hard courts. The match ended with a score of 5-7, 6-4, 6-2 in favor of Waltert. Key stats included Waltert's 6 aces and 8 double faults compared to Marcinko's 4 aces and 4 double faults, and Waltert's higher break points converted percentage of 50 to Marcinko's 18, as well as Waltert's four service breaks to Marcinko's two.

Key context

Head to head

21
DateTournamentRoundSurfaceWinnerScore
2026-06-20EastbourneSFgrassPetra Marcinko6-4 6-7 6-4
2024-05-14W75 Zagreb 1R32claySimona Waltert6-2 6-4
2024-01-09Australian OpenQ128hardSimona Waltert6-1 6-1

Statistics

This season
1st serve in·Even
63%
59%
1st serve points won·Even
62%
64%
2nd serve points won·Slight edge
46%
40%
Service points won·Even
56%
54%
Return points won·Even
45%
45%
Break points saved·Slight edge
56%
47%
Aces / match·Even
1.6
2.0
Double faults / match·Clear edge
3.8
4.9

Averages over each player's completed matches in the selected window (40 vs 34). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Slight edge
78
72
Break points saved·Dominant
79
54
Break points won·Even
94
95
Deciding sets·Clear edge
80
93
Tiebreaks·
85

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Win Probability

Pre-match · updated 14:50 UTC
Waltert S.42%
Marcinko P.58%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

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

Umpiry Score

Pre-match
5.1
Clear underdogUmpiry Score
5.1
Clear underdogUmpiry Score
Form & Matchup
4.6Hard Elo 1606
Surface ELO
5.4+33 Hard Elo edge
4.1Overall Elo 1670
ELO gap
5.9Overall Elo 1745
7.8Leads 2–0 on hard
H2H
2.2Trails 0–2 on hard
2.23 of last 10 on hard
Surface form
1.32 of last 10 on hard
0.0Lost last 3
Win streak
0.0
Fatigue & Travel
Country comfort
7.0Won 83% in Usa (23)
6.0Clay → Hard
Surface transition
6.0Clay → Hard
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play 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.

Freshness

Recent load
Freshness·Slight edge
81
88

Waltert S.: 3 days rest · 2 matches, 47 games (7d) · Marcinko P.: 5 days rest · 1 match, 30 games (7d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast
Weather
25°CMainly clear
Wind 4 km/hHumidity 91%

Draw