Amy Zhu vs Nadiya Kolb — Hong Kong Qualifying Round 1

Hong Kong · CHALLENGER · Qualifying Round 1
USA
Amy Zhu
#678WTA
1061ELO
1065Hard ELO
31 yrs · Right-handed
Last 10
LWLLLWWWLL
0 — 0
Sets
Monday, 27 October 2025
hard
UKR
Nadiya Kolb
33 yrs · Right-handed
Last 10
LWLLLLLLLL

Umpiry Score

Pre-match
Zhu A.
5.8
Slight disadvantageUmpiry ScorePartial · surface data limited
Kolb N.
5.3
Clear underdogUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
4.0
Surface form
1.9
0.0
Win streak
0.0
Fatigue & Travel
7.0
3-set count
7.0
Context
5.0
Defending pts
6.0

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.

Zhu A.
7792
Kolb N.
567–

Head to head

No previous meetings on record.

Statistics

Recent form
Zhu A.Kolb N.
59%1st serve in+1%58%
67%1st serve points won+15%52%
45%2nd serve points won+8%37%
58%Service points won+12%46%
43%Return points won+4%39%
52%Break points saved+7%45%
4.8Aces / match+3.81
2Double faults / match+1.13.1

Averages from each player's recent completed matches (20 vs 10). ATP, WTA & Challenger.

Draw — qualifying

Q2
Sidorova K.
Kaji H.
6-16-2
Inglis M.
Lu J.
6-46-4
Morvayova V.
Okamura K.
4-66-36-4
Sakatsume H.
Kuramochi M.
6-06-1
Ma Y.
Zhu A.
7-56-1
Kobori M.
You X.
6-747-56-1
Q1
Okamura K.
Guo M.
6-12-66-4
Kuramochi M.
Yang A.
6-36-0
Ma Y.
Li Y.
7-57-66
Zhu A.
Kolb N.
7-57-67
Kaji H.
Liu K.
7-646-4
Inglis M.
Melnikova M.
6-26-4
Lu J.
Ng M.
2-66-26-4
Morvayova V.
Appleton E.
4-66-47-5
Sakatsume H.
Kulikova A.
6-26-3
Sidorova K.
Diyas Z.
3-66-36-4
You X.
Zhang Y.
7-666-4
Kobori M.
Yamazaki I.
6-26-3