Hong KongHardSemi-finals25 Oct 2025 · 10:00
N. Kolb
#791 · Ukraine
VS
A. Zhu
#656 · USA

Odds

Market
Kolb
Zhu
Winner

Player analysis

N. Kolb comes into this match in difficult form — 1 wins from the last 5. Point statistics tell a concerning story — average DS of -8.5, meaning N. Kolb has been on the wrong side of most exchanges over five matches. The serve has been a concern — averaging only 5.1/10, leaving N. Kolb vulnerable on second serve and facing frequent return pressure. Break point efficiency is a red flag — N. Kolb has been losing the important points, with a BP efficiency of -21 over recent matches.

DS -8.48Trend down

A. Zhu comes into this match in difficult form — 2 wins from the last 4. Form is mixed — DS ranging from -16.7 to 37.3, with at least one match where A. Zhu was clearly outplayed. The serve has been a concern — averaging only 5.7/10, leaving A. Zhu vulnerable on second serve and facing frequent return pressure. Good performance in key moments — break point efficiency of +12 over the last five.

DS 3.96Trend mixed

Recent form

LLWLL

1W 4L last 5

5 AprCirez1-6 2-6L
16 FebMansouri6-3 6-2L
15 FebAmorim2-6 3-6W
25 OctZhu5-7 6-7L
20 OctAkugue6-0 6-4L
LWWLW

3W 2L last 5

27 AprYuan3-6 6-3 5-7L
26 AprEto1-6 0-6W
26 AprEto1-6 0-6W
26 OctMa7-5 6-1L
25 OctKolb5-7 6-7W

Hard court stats

Kolb
Stat
Zhu
33.3%
Win rate
40.7%
13–26
W–L
59–86

Avg stats — last 5

1st serve %60%
1st serve won50%
2nd serve won40%
BP converted50%
BP saved30%
Aces1
Double faults2
1st serve %60%
1st serve won60%
2nd serve won50%
BP converted60%
BP saved50%
Aces6
Double faults3