Lois Boisson vs Dayana YastremskaHamburg Semi-final

Hamburg · WTA · Semi-final
#43WTA
1744ELO
1723Clay ELO
$57kYTD
$1.2MCAREER
23 yrs · Right-handed
Last 10
LLWLLLWWLW
2 — 0
Sets
Monday, 14 July 2025
clay
#45WTA
1816ELO
1749Clay ELO
$373kYTD
$6.4MCAREER
26 yrs · 175 cm · Right-handed
Last 10
LWWWWWLLWL

Umpiry Score

Pre-match
6.8
Slight advantageUmpiry Score
5.7
Slight disadvantageUmpiry Score
  • Surface jump clay↔grass (−0.8)
Form & Matchup
5.9Clay Elo 1723
Surface ELO
4.1+26 Clay Elo edge
5.1Overall Elo 1744
ELO gap
4.9Overall Elo 1816
5.0No prior meetings
H2H
5.0
7.9
Surface form
5.8
Fatigue & Travel
Minutes 14d
6.9
7.0
3-set count
4.0
Prev. match
9.0
Surface transition
3.0
Context
5.0
Defending pts
5.0

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.

Boisson L.
6772
Yastremska D.
1650

Head to head

No previous meetings on record.

Statistics

Recent form
63%1st serve in+4%59%
70%1st serve points won+10%60%
44%2nd serve points won+3%47%
60%Service points won+6%54%
43%Return points won+1%42%
55%Break points saved+5%50%
3.5Aces / match+12.5
3.9Double faults / match+1.75.6

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