Yosuke Watanuki vs Daniel AltmaierChampaign CH Round of 16

Champaign CH · CHALLENGER · Round of 16
#305ATP
1541ELO
1531Hard ELO
28 yrs · 180 cm · Right-handed
Last 10 · pre-match
WWWLLLLLLW
2 — 0
Sets
Monday, 15 November 2021
hard
#60ATP
1734ELO
1652Hard ELO
$574kYTD
$5.4MCAREER
27 yrs · 188 cm · Right-handed
Last 10 · pre-match
LLWLWWWLLL
Watanuki Y.
6-2 6-1
Altmaier D.
Watanuki Y.
662
Altmaier D.
210

Yosuke Watanuki defeated Daniel Altmaier 6-2 6-1 in the Champaign CH round of 16 on hard. The upset overturned the form book — Daniel Altmaier came in ranked #60. Yosuke Watanuki extended the head-to-head to 2–0.

Key context

Head to head

10
DateTournamentRoundSurfaceWinnerScore
2025-07-27Canada MastersR128hardYosuke Watanuki3-6 6-1 6-4

Serve vs return

This season
Watanuki Y.serving86% hold

wins 67% of points on serve vs Altmaier D.

Altmaier D.serving80% hold

wins 63% of points on serve vs Watanuki Y.

Serve advantage — Watanuki Y.

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

Watanuki Y.Altmaier D.
Serve
16
Return
4

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

Statistics

This season
1st serve in·Slight edge
54%
62%
1st serve points won·Slight edge
76%
71%
2nd serve points won·Even
51%
49%
Service points won·Even
65%
62%
Return points won·Even
38%
37%
Break points saved·Even
60%
60%
Aces / match·Clear edge
8.9
6.3
Double faults / match·Dominant
3.9
2.3

Averages over each player's completed matches in the selected window (198 vs 200). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Clear edge
52
71
Break points saved·Slight edge
89
96
Break points won·Clear edge
20
34
Deciding sets·Dominant
61
92
Tiebreaks·Even
81
82

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

Umpiry Score

Pre-match
5.4
Clear underdogUmpiry Score
6.9
Slight advantageUmpiry Score
Form & Matchup
4.1Hard Elo 1531
Surface ELO
5.8+121 Hard Elo edge
3.9Overall Elo 1541
ELO gap
6.1Overall Elo 1734
5.0
H2H
5.0
2.9
Surface form
6.6
0.0
Win streak
7.04-match win streak
Fatigue & Travel
7.0
Minutes 14d
4.8
7.0
3-set count
4.0
8.0
Prev. match
9.0
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·Even
94
96

Watanuki Y.: 11 days rest · 2 matches (14d) · Altmaier D.: 13 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast