Coleman Wong vs Gabriel Diallo — Hong Kong Round of 16

Hong Kong · ATP · Round of 16
HKG
Coleman Wong
#109ATP
1666ELO
1625Hard ELO
$177kYTD
$1.1MCAREER
21 yrs · 191 cm · Right-handed
Last 10 · pre-match
LWLLWWLLLW
2 — 1
Sets
Monday, 5 January 2026
hard
CAN
Gabriel Diallo
[6]
#49ATP
1731ELO
1686Hard ELO
$370kYTD
$3.0MCAREER
24 yrs · 203 cm · Right-handed
Last 10 · pre-match
LLLWLLLWLW

Coleman Wong defeated Gabriel Diallo 1-6 7-5 7-5 in the Hong Kong round of 16 on hard. The upset overturned the form book — Gabriel Diallo came in ranked #49.

Key context

Umpiry Score

Pre-match
Wong C.
4.6
Heavy underdogUmpiry Score
  • Extended break: 63 days (−1.2)
Diallo G.
4.9
Heavy underdogUmpiry Score
  • Extended break: 70 days (−1.2)
Form & Matchup
4.6Hard Elo 1625
Surface ELO
5.4+61 Hard Elo edge
4.5Overall Elo 1666
ELO gap
5.5Overall Elo 1731
0.0No prior meetings
H2H
10.0
6.9
Surface form
4.9
Win streak
0.0
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.

Wong C.
1772
Diallo G.
6551

Head to head

No previous meetings on record.

Statistics

Recent form
Wong C.Diallo G.
59%1st serve in+10%69%
75%1st serve points won+3%72%
47%2nd serve points won+3%44%
64%Service points won+1%63%
36%Return points won+4%32%
63%Break points saved+6%57%
9.3Aces / match+1.87.5
2.6Double faults / match+0.12.5

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

Draw

Final
Bublik A.[2]
Musetti L.[1]
7-626-3
Semi-finals
Bublik A.[2]
Giron M.
3-66-46-2
Musetti L.[1]
Rublev A.[3]
6-737-56-4
Quarter-finals
Giron M.
Mmoh M.
6-31-0
Musetti L.[1]
Wong C.
6-46-4
Bublik A.[2]
Shang J.
6-17-62
Rublev A.[3]
Borges N.[8]
6-36-4
R16
Bublik A.[2]
Van De Zandschulp B.
6-36-3
Wong C.
Diallo G.[6]
1-67-57-5
Shang J.
Sonego L.[5]
6-36-4
Rublev A.[3]
Wu Y.
3-66-26-1
Mmoh M.
Khachanov K.[4]
7-627-64
Giron M.
Muller A.[7]
6-47-64
Borges N.[8]
Cilic M.
7-56-3
Musetti L.[1]
Etcheverry T.
6-736-26-4
R32
Giron M.
Djere L.
6-26-0
Diallo G.[6]
De Jong J.
6-47-67
Borges N.[8]
Dzumhur D.
6-46-3
Muller A.[7]
Kecmanovic M.
7-56-4
Mmoh M.
Tabilo A.
7-56-4
Wu Y.
Marozsan F.
6-46-2
Wong C.
Navone M.
6-37-5
Etcheverry T.
Royer V.
6-47-5
Shang J.
Comesana F.
6-46-4
Van De Zandschulp B.
Struff J.
6-31-66-1
Cilic M.
Mannarino A.
6-36-2
Sonego L.[5]
Sakamoto R.
6-27-64