Stefan Kozlov vs Aidan MayoNewport Qualifying Semi-final

Newport · CHALLENGER · Qualifying Semi-final
#317ATP
1429ELO
28 yrs · 183 cm · Right-handed
Last 10
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Sets
Sunday, 5 July 2026 ·
#561ATP
1380ELO
23 yrs · 183 cm · Right-handed
Last 10
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Kozlov S.
vs
Mayo A.

Stefan Kozlov faces Aidan Mayo in the Newport qualifying semi-final. Stefan Kozlov holds the paper edge — ranked #317, a roughly 50-point Elo advantage.

Key context

  • Under pressure: Stefan Kozlov has the edge on pressure points (Clutch Rating 35 vs Aidan Mayo's 14).
  • Fatigue load: Aidan Mayo carries the heavier recent load — 1 three-setter to 0 in the past fortnight.

Umpiry Score

Pre-match
5.7
Slight disadvantageUmpiry ScorePartial · surface data limited
5.7
Slight disadvantageUmpiry ScorePartial · surface data limited
Form & Matchup
5.6Overall Elo 1429
ELO gap
4.4Overall Elo 1380
5.0No prior meetings
H2H
5.0No prior meetings
Win streak
0.0Lost last 4
Fatigue & Travel
3-set count
7.01 three-setter in 14 days
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play here last year

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.

Form trajectory

Kozlov S.Stable
Mayo A.Stable

Direction of recent form — results vs Elo expectation blended with serve/return vs each player's baseline, over the last few months. About

32 vs 14 matches

Statistics

This season
1st serve in·Even
58%
57%
1st serve points won·Even
69%
72%
2nd serve points won·Even
49%
53%
Service points won·Even
60%
64%
Return points won·Even
41%
39%
Break points saved·Slight edge
56%
61%
Aces / match·Dominant
2.8
6.1
Double faults / match·Slight edge
3.9
4.4

Averages over each player's completed matches in the selected window (32 vs 14). ATP, WTA & Challenger.

Serve vs return

This season
Kozlov S.serving75% hold

wins 61% of points on serve vs Mayo A.

Mayo A.serving78% hold

wins 62% of points on serve vs Kozlov S.

Even serve battle

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

Clutch

Under pressure
Clutch Rating·Clear edge
35
14
Break points saved·Clear edge
49
68
Break points won·Clear edge
20
1
Deciding sets·Dominant
84
10
Tiebreaks·Dominant
26
60

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

Freshness

Recent load
Freshness·
86

Mayo A.: 5 days rest · 1 match, 34 games (7d). Higher means fresher. About

Head to head

No previous meetings on record.