Daniel Altmaier vs Jack SockKnoxville CH Quarter-final

Knoxville CH · CHALLENGER · Quarter-final
#61ATP
1734ELO
1652Hard ELO
$574kYTD
$5.4MCAREER
27 yrs · 188 cm · Right-handed
Last 10 · pre-match
LLWLWWWLLL
2 — 1
Sets
Monday, 8 November 2021
hard
33 yrs · 191 cm · Right-handed
Last 10 · pre-match
LLLWLLWLLL
Altmaier D.
3-6 7-5 7-6
Sock J.
Altmaier D.
37772
Sock J.
65621

Daniel Altmaier defeated Jack Sock 3-6 7-5 7-6 in the Knoxville CH quarter-final on hard. The upset overturned the form book — Jack Sock came in leading the head-to-head 1–0. Daniel Altmaier claimed a first win over Jack Sock in two meetings, narrowing the head-to-head to 1–1.

Key context

Head to head

01
DateTournamentRoundSurfaceWinnerScore
2022-02-14Delray BeachR32hardJack Sock2-6 6-3 6-4

Serve vs return

This season
Altmaier D.serving83% hold

wins 65% of points on serve vs Sock J.

Sock J.serving86% hold

wins 67% of points on serve vs Altmaier D.

Serve-dominated — both hold easily, expect tiebreaks

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

Serve & return on hard

Altmaier D.Sock J.
17
Serve
4
Return

Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About

Statistics

This season
1st serve in·Even
62%
61%
1st serve points won·Even
71%
73%
2nd serve points won·Even
49%
52%
Service points won·Even
62%
65%
Return points won·Even
37%
36%
Break points saved·Even
60%
64%
Aces / match·Even
6.3
6.3
Double faults / match·Clear edge
2.3
3.4

Averages over each player's completed matches in the selected window (200 vs 98). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Even
71
67
Break points saved·Even
96
96
Break points won·Slight edge
34
28
Deciding sets·Slight edge
92
86
Tiebreaks·Even
82
82

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Umpiry Score

Pre-match
5.9
Even matchUmpiry ScorePartial · surface data limited
6.2
Even matchUmpiry ScorePartial · surface data limited
Form & Matchup
5.0
H2H
5.0
2.8
Surface form
5.1
0.0
Win streak
0.0
Fatigue & Travel
7.8
Minutes 14d
7.4
8.0
Prev. match
8.0
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
Freshness·
94

Altmaier D.: 11 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast