Michael Zheng vs Olle Wallin — Tiburon CH Round of 16

Tiburon CH · CHALLENGER · Round of 16
USA7
Michael Zheng
#121ATP
1695ELO
1672Hard ELO
$310kYTD
$502kCAREER
22 yrs · 188 cm · Right-handed
Last 10 · pre-match
LWWWWWLLLW
2 — 0
Sets
Monday, 29 September 2025
hard
SWE
Olle Wallin
#368ATP
1300ELO
1278Hard ELO
24 yrs
Last 10 · pre-match
LWWWLWWWWL
Zheng M.
6-4 6-1
Wallin O.
Zheng M.
662
Wallin O.
410

Michael Zheng defeated Olle Wallin 6-4 6-1 in the Tiburon CH round of 16 on hard. The result followed the form book — Michael Zheng came in ranked #121.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Zheng M.serving85% hold

wins 66% of points on serve vs Wallin O.

Wallin O.serving74% hold

wins 60% of points on serve vs Zheng M.

Serve advantage — Zheng M.

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

Statistics

This season
Zheng M.Wallin O.
1st serve in·Even
60%
56%
1st serve points won·Even
71%
71%
2nd serve points won·Even
53%
50%
Service points won·Even
64%
62%
Return points won·Even
41%
37%
Break points saved·Slight edge
65%
60%
Aces / match·Even
4.7
4.9
Double faults / match·Clear edge
1.6
3.0

Averages over each player's completed matches in the selected window (46 vs 27). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Zheng M.
8.8
Dominant favouriteUmpiry Score
Wallin O.
4.6
Heavy underdogUmpiry Score
Form & Matchup
10.0+394 Hard Elo edge
Surface ELO
0.0Hard Elo 1278
10.0Overall Elo 1695
ELO gap
0.0Overall Elo 1300
5.0No prior meetings
H2H
5.0
10.0
Surface form
4.0
10.010-match win streak
Win streak
Fatigue & Travel
5.3
Minutes 14d
7.5
4.0
3-set count
4.0
9.0
Prev. match
6.0
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
Zheng M.Wallin O.
Freshness·Clear edge
86
68

Zheng M.: 10 days rest · 3 matches (14d) · Wallin O.: 4 days rest · 3 matches, 70 games (7d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast
Final
Zheng M.[7]
Zink T.
6-46-4
Semi-finals
Zink T.
Shelbayh A.
6-36-4
Zheng M.[7]
Jodar R.
6-47-5
Quarter-finals
Zink T.
Banerjee S.
6-41-66-3
Shelbayh A.
Popko D.[6]
6-46-2
Jodar R.
Mejia N.[5]
6-06-2
Zheng M.[7]
Krueger M.
7-56-3
R16
Shelbayh A.
Perez A.
4-66-36-2
Popko D.[6]
Artnak B.
6-26-4
Mejia N.[5]
Rosenkranz M.
2-66-47-65
Banerjee S.
Hassan B.[4]
6-17-5
Zink T.
Monday J.[8]
6-46-3
Jodar R.
Pinnington Jones J.[3]
6-26-3
Zheng M.[7]
Wallin O.
6-46-1
Krueger M.
Cassone M.[2]
6-36-736-2
R32
Hassan B.[4]
Johns G.
Rybakov A.
Monday J.[8]
Jodar R.
Ilagan A.
6-33-66-1
Krueger M.
Masur D.
2-66-46-2
Popko D.[6]
Bondioli F.
6-25-76-2
Rosenkranz M.
Gengel M.
7-646-2
Banerjee S.
Sekulic P.
6-15-76-4
Shelbayh A.
Rodionov J.[1]
7-636-4
Cassone M.[2]
Bouzige M.
6-36-2
Wallin O.
Damm M.
2-67-656-3
Pinnington Jones J.[3]
Chan D.
6-36-3
Zheng M.[7]
Tarvet O.
6-46-3
Artnak B.
Tokuda R.
6-16-776-4
Perez A.
Svajda T.
6-46-4
Zink T.
Braswell M.
6-16-4
Mejia N.[5]
Martin A.
6-44-67-65