Alexander Blockx vs Flavio CobolliUS Open Round of 32

US Open · ATP · Round of 32
#34ATP
1906ELO
1793Hard ELO
21 yrs · 191 cm · Right-handed
Last 10 · pre-match
WWWLWLWLWW
3 — 1
Sets
Saturday, 5 September 2026 ·
hard
Louis Armstrong Stadium · 3rd on
#6ATP
1896ELO
1810Hard ELO
24 yrs · 183 cm · Right-handed
Last 10 · pre-match
WWLWWWWLLL
Blockx A.
6-7 6-3 6-0 6-3
Cobolli F.
Blockx A.
646663
Cobolli F.
773031

Alexander Blockx advanced to the US Open Round of 16 by defeating Flavio Cobolli in a four-set match. Blockx won 6-7, 6-3, 6-0, 6-3, with a strong performance highlighted by 13 aces and six service breaks. In contrast, Cobolli hit four aces and managed only one service break during the match.

Generated automatically from Umpiry match data.

Key context

Head to head

11
DateTournamentRoundSurfaceWinnerScore
2026-08-17CincinnatiR32hardFlavio Cobolli5-7 6-4 5-7
2026-04-05Monte Carlo MastersR32clayAlexander Blockx6-3 6-3

Statistics

This season
1st serve in·Even
59%
55%
1st serve points won·Even
77%
73%
2nd serve points won·Even
52%
53%
Service points won·Even
67%
64%
Return points won·Even
37%
36%
Break points saved·Slight edge
68%
62%
Aces / match·Even
6.9
6.6
Double faults / match·Even
2.6
2.9

Averages over each player's completed matches in the selected window (37 vs 43). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Even
71
75
Break points saved·Even
97
95
Break points won·Slight edge
27
38
Deciding sets·Even
95
99
Tiebreaks·Slight edge
87
92

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

Win Probability

Pre-match · updated 16:50 UTC
Blockx A.41%
Cobolli F.59%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Cobolli F. narrowly ahead

Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
6.5
Marginal edgeUmpiry Score
6.9
Slight advantageUmpiry Score
Form & Matchup
4.8Hard Elo 1793
Surface ELO
5.2+16 Hard Elo edge
5.1Overall Elo 1906
ELO gap
4.9Overall Elo 1896
3.0Trails 0–1 on hard
H2H
7.0Leads 1–0 on hard
6.36 of last 10 on hard
Surface form
6.86 of last 10 on hard
Fatigue & Travel
4.02 three-setters in 14 days
3-set count
4.02 three-setters in 14 days
Context
5.0Didn't play here last year
Defending pts
6.0Reached the R32 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.

Freshness

Recent load
Freshness·Slight edge
52
63

Blockx A.: 2 days rest · 3 matches, 113 games (7d) · Cobolli F.: 4 days rest · 2 matches, 77 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather
27°CPartly cloudy
Wind 16 km/hHumidity 44%

Draw