Celine Naef vs Mary Stoiana — Birmingham Round of 16

Birmingham · CHALLENGER · Round of 16

SUI

Celine Naef

#216WTA

1623ELO

1569Grass ELO

20 yrs · 167 cm · Right-handed

Last 10

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Sets

Thursday, 4 June 2026 · 10:30

grass

USA

Mary Stoiana

#146WTA

1570ELO

1460Grass ELO

23 yrs

Last 10

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Celine Naef faces Mary Stoiana in the Birmingham round of 16 on grass. Mary Stoiana holds the paper edge — ranked #146.

Key context

Last match: Mary Stoiana dropped the opening set before beating Lulu Sun 4–6 7–6 6–2.
Last match: Celine Naef dropped just 5 games past Maddison Inglis.
Fatigue load: Mary Stoiana carries the heavier recent load — 2 three-setters to 1 in the past fortnight.

Umpiry Score

Pre-match

Naef C.

5.6

Slight disadvantageUmpiry Score

Back-to-back day (−0.5)

Stoiana M.

6.2

Even matchUmpiry ScorePartial · surface data limited

Form & Matchup

6.4+109 Grass Elo edge

Surface ELO

3.6Grass Elo 1460

5.4Overall Elo 1622

ELO gap

4.6Overall Elo 1570

5.0No prior meetings

H2H

5.0No prior meetings

7.68 of last 10 on grass

Surface form

Fatigue & Travel

7.01 three-setter in 14 days

3-set count

4.02 three-setters in 14 days

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.

Conditions

Weather forecast

14°COvercast

Wind 21 km/hHumidity 79%

Head to head

No previous meetings on record.

Statistics

Recent form

Naef C.Stoiana M.

61%1st serve in+3%64%

69%1st serve points won+6%63%

47%2nd serve points won+2%45%

60%Service points won+4%56%

47%Return points won+1%46%

58%Break points saved+6%52%

3.7Aces / match+2.31.4

3.5Double faults / match+0.53

Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.

Draw

R32

R16

Quarter-finals

Semi-finals

Final