Lulu Sun vs Arianne HartonoJinan 125 Round of 16

Jinan 125 · CHALLENGER · Round of 16
#109WTA
1668ELO
1670Hard ELO
25 yrs · Left-handed
Last 10
LWWLLLWWLL
0 — 0
Sets
Monday, 13 October 2025
hard
#331WTA
1453ELO
1436Hard ELO
30 yrs · Right-handed
Last 10
LWLLWWLWLW

Umpiry Score

Pre-match
7.5
Dominant favouriteUmpiry Score
3.4
Heavy underdogUmpiry Score
  • Recent retirement (−1.5)
Form & Matchup
8.0+234 Hard Elo edge
Surface ELO
2.0Hard Elo 1436
7.9Overall Elo 1668
ELO gap
2.1Overall Elo 1453
5.0No prior meetings
H2H
5.0
7.9
Surface form
3.6
0.0
Win streak
Fatigue & Travel
7.0
3-set count
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.

Sun L.
662
Hartono A.
12

Head to head

No previous meetings on record.

Statistics

Recent form
58%1st serve in+4%54%
70%1st serve points won+7%63%
51%2nd serve points won+8%43%
62%Service points won+8%54%
40%Return points won+5%45%
63%Break points saved+10%53%
6Aces / match+3.12.9
3.1Double faults / match+2.15.2

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