Lulu Sun vs Donna VekicMiami Qualifying Round 2

Miami · CHALLENGER · Qualifying Round 2
#112WTA
1637ELO
1654Hard ELO
25 yrs · Left-handed
Last 10 · pre-match
LWLLWLLLWW
0 — 0
Sets
Tuesday, 17 March 2026
hard
#35WTA
1807ELO
1736Hard ELO
$625kYTD
$11MCAREER
30 yrs · 179 cm · Right-handed
Last 10 · pre-match
LLWWWWWLWL
Sun L.
6-3 6-3
Vekic D.
Sun L.
662
Vekic D.
33

Lulu Sun defeated Donna Vekic 6-3 6-3 in the Miami qualifying round 2 on hard. The upset overturned the form book — Donna Vekic came in ranked #35, leading the head-to-head 1–0. Lulu Sun claimed a first win over Donna Vekic in two meetings, narrowing the head-to-head to 1–1.

Key context

Head to head

01
DateTournamentRoundSurfaceWinnerScore
2024-07-01WimbledonQFgrassDonna Vekic5-7 6-4 6-1

Serve vs return

This season
Sun L.serving63% hold

wins 55% of points on serve vs Vekic D.

Vekic D.serving80% hold

wins 63% of points on serve vs Sun L.

Serve advantage — Vekic D.

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

Serve & return on hard

Sun L.Vekic D.
59
Serve
6
0
Return
36

Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About

Statistics

This season
1st serve in·Even
57%
61%
1st serve points won·Even
66%
68%
2nd serve points won·Even
50%
47%
Service points won·Even
59%
60%
Return points won·Slight edge
36%
44%
Break points saved·Even
60%
58%
Aces / match·Clear edge
4.8
3.1
Double faults / match·Slight edge
3.5
3.9

Averages over each player's completed matches in the selected window (14 vs 28). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Slight edge
72
67
Break points saved·Slight edge
94
86
Break points won·Dominant
52
91
Deciding sets·Clear edge
90
77
Tiebreaks·Dominant
78
33

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

Umpiry Score

Pre-match
5.6
Slight disadvantageUmpiry Score
6.2
Even matchUmpiry Score
Form & Matchup
4.5Hard Elo 1654
Surface ELO
5.5+81 Hard Elo edge
3.9Overall Elo 1637
ELO gap
6.1Overall Elo 1807
5.0
H2H
5.0
3.4
Surface form
4.6
Win streak
0.0
Fatigue & Travel
Minutes 14d
7.3
3-set count
7.0
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.

Freshness

Recent load
Freshness·Even
100
97

Sun L.: 19 days rest · Vekic D.: 13 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast