Ksenia Efremova vs Lulu Sun — Madrid Qualifying Round 1

Madrid · CHALLENGER · Qualifying Round 1
FRA
Ksenia Efremova
#601WTA
17 yrs · Right-handed
Last 10 · pre-match
LLLLLLLLWW
0 — 0
Sets
Tuesday, 21 April 2026
clay
Lulu Sun
NZL
Lulu Sun
#112WTA
1637ELO
1483Clay ELO
25 yrs · Left-handed
Last 10 · pre-match
LWLLWLLLWW
Efremova K.
6-4 7-5
Sun L.
Efremova K.
672
Sun L.
45–

Ksenia Efremova defeated Lulu Sun 6-4 7-5 in the Madrid qualifying round 1 on clay. The upset overturned the form book — Lulu Sun came in ranked #112.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Efremova K.serving63% hold

wins 55% of points on serve vs Sun L.

Sun L.serving71% hold

wins 59% of points on serve vs Efremova K.

Baseline battle — serve is shaky, expect plenty of breaks

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

Statistics

This season
Efremova K.Sun L.
1st serve in·Slight edge
66%
57%
1st serve points won·Slight edge
59%
66%
2nd serve points won·Clear edge
36%
50%
Service points won·Slight edge
51%
59%
Return points won·Even
36%
36%
Break points saved·Clear edge
46%
58%
Aces / match·Clear edge
3.3
5.2
Double faults / match·Slight edge
4.3
3.6

Averages over each player's completed matches in the selected window (4 vs 14). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Efremova K.
4.2
Heavy underdogUmpiry ScorePartial · surface data limited
  • Extended break: 92 days (−1.5)
Sun L.
5.4
Clear underdogUmpiry ScorePartial · surface data limited
  • Extended break: 22 days (−0.3)
Form & Matchup
5.0No prior meetings
H2H
5.0
2.4
Surface form
2.6
0.0
Win streak
0.0
Fatigue & Travel
Prev. match
7.0
6.0
Surface transition
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.

Freshness

Recent load
Efremova K.Sun L.
Freshness·
—
100

Sun L.: 15 days rest. Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast

Draw — qualifying

Q2
Jeanjean L.
Masarova R.
6-33-66-3
Grant T.
Udvardy P.
0-66-36-2
Volynets K.
Korpatsch T.
7-55-76-2
Kalieva E.
Blinkova A.
6-23-67-5
Waltert S.
Salkova D.
6-06-2
Pavlyuchenkova A.
Starodubtseva Y.
6-40-66-4
Kraus S.
Potapova A.
6-26-756-3
Galfi D.
Vidmanova D.
7-56-3
Parks A.
Efremova K.
6-17-64
Charaeva A.
Bartunkova N.
6-766-27-66
Snigur D.
Vandewinkel H.
7-646-4
Kalinina A.
Stephens S.
2-67-656-2
Q1
Grant T.
Erjavec V.
7-637-5
Parks A.
Avanesyan E.
6-16-2
Snigur D.
Leme Da Silva N.
7-56-1
Stephens S.
Parry D.
6-26-4
Kalinina A.
Bassols Ribera M.
6-26-1
Starodubtseva Y.
Stefanini L.
6-06-1
Pavlyuchenkova A.
Tomova V.
6-36-2
Potapova A.
Kostovic T.
6-47-5
Kraus S.
Trevisan M.
6-36-2
Jeanjean L.
Vekic D.
6-33-66-4
Masarova R.
Sramkova R.
6-37-5
Udvardy P.
Pareja J.
6-46-1
Volynets K.
Dodin O.
6-04-66-1
Korpatsch T.
Sorribes Tormo S.
6-43-1
Blinkova A.
Brancaccio N.
6-737-56-4
Kalieva E.
Lamens S.
6-46-3
Waltert S.
Papamichail D.
7-56-3
Salkova D.
Roura Llaverias R.
7-56-1
Galfi D.
Romero Gormaz L.
6-16-3
Vidmanova D.
Radivojevic L.
6-36-3
Efremova K.
Sun L.
6-47-5
Bartunkova N.
Kawa K.
6-42-66-3
Charaeva A.
Sasnovich A.
6-36-4
Vandewinkel H.
Fruhvirtova L.
6-27-5