Adam Walton vs Learner TienTiburon CH Round of 16

Tiburon CH · CHALLENGER · Round of 16
#79ATP
1703ELO
1669Hard ELO
$499kYTD
$2.3MCAREER
27 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWWWWLLWWW
2 — 0
Sets
Monday, 2 October 2023
hard
#15ATP
1941ELO
1904Hard ELO
$1.3MYTD
$4.4MCAREER
20 yrs · 180 cm · Left-handed
Last 10 · pre-match
LWLWLWWWWW
Walton A.
6-2 6-4
Tien L.
Walton A.
662
Tien L.
240

Adam Walton defeated Learner Tien 6-2 6-4 in the Tiburon CH round of 16 on hard. The upset overturned the form book — Learner Tien came in ranked #15, leading the head-to-head 2–0. Adam Walton claimed a first win over Learner Tien in three meetings, narrowing the head-to-head to 2–1.

Key context

Head to head

02
DateTournamentRoundSurfaceWinnerScore
2026-03-04Indian Wells MastersR64hardLearner Tien7-6(3) 7-6(8)
2025-02-10Delray BeachR32hardLearner Tien6-4 6-3

Serve vs return

This season
Walton A.serving85% hold

wins 66% of points on serve vs Tien L.

Tien L.serving83% hold

wins 65% of points on serve vs Walton A.

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

Walton A.Tien L.
35
Serve
32
17
Return
67

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
63%
62%
1st serve points won·Even
73%
70%
2nd serve points won·Even
53%
52%
Service points won·Even
66%
63%
Return points won·Even
37%
39%
Break points saved·Even
62%
63%
Aces / match·Clear edge
6.2
4.4
Double faults / match·Dominant
1.9
3.7

Averages over each player's completed matches in the selected window (200 vs 151). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
65
90
Break points saved·Even
95
97
Break points won·Dominant
20
83
Deciding sets·Slight edge
95
100
Tiebreaks·Dominant
70
100

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

Umpiry Score

Pre-match
5.5
Slight disadvantageUmpiry Score
5.0
Heavy underdogUmpiry ScorePartial · surface data limited
  • Extended break: 196 days (−1.5)
Form & Matchup
1.9Hard Elo 1669
Surface ELO
8.1+235 Hard Elo edge
2.1Overall Elo 1703
ELO gap
7.9Overall Elo 1941
5.0
H2H
5.0
5.4
Surface form
Win streak
0.0Lost last 3
Fatigue & Travel
4.6
Minutes 14d
4.0
3-set count
8.0
Prev. match
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·Dominant
54
95

Walton A.: 2 days rest · 5 matches, 122 games (7d) · Tien L.: 13 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast