Facundo Diaz Acosta vs Niels McdonaldBraunschweig Quarter-final

Braunschweig · CHALLENGER · Quarter-final
#120ATP
1681ELO
1668Clay ELO
$264kYTD
$1.7MCAREER
25 yrs · 183 cm · Left-handed
Last 10
WWWWWWWLLW
Sets
Friday, 10 July 2026 ·
clay
TENZER CENTER COURT · 2nd on
#569ATP
1351ELO
1360Clay ELO
18 yrs
Last 10
WWLLWWLLLL
Diaz Acosta F.
vs
Mcdonald N.

Facundo Diaz Acosta faces Niels Mcdonald in the Braunschweig quarter-final on clay. Facundo Diaz Acosta holds the paper edge — ranked #120, a roughly 310-point clay Elo advantage.

Win Probability

Pre-match · updated 16:20 UTC
Diaz Acosta F.95%
Mcdonald N.5%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Strong favourite · Diaz Acosta F. heavily favoured

Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Key context

Umpiry Score

Pre-match
7.3
Strong advantageUmpiry Score
  • Back-to-back day (−0.5)
4.2
Heavy underdogUmpiry Score
  • Back-to-back day (−0.5)
Form & Matchup
8.9+309 Clay Elo edge
Surface ELO
1.1Clay Elo 1360
9.1Overall Elo 1680
ELO gap
0.9Overall Elo 1351
5.0No prior meetings
H2H
5.0No prior meetings
9.39 of last 10 on clay
Surface form
4.84 of last 10 on clay
9.07-match win streak
Win streak
Fatigue & Travel
0.03 three-setters in 14 days
3-set count
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

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 5 matches

Statistics

This season
1st serve in·Even
63%
66%
1st serve points won·Slight edge
67%
60%
2nd serve points won·Slight edge
52%
46%
Service points won·Slight edge
61%
56%
Return points won·Clear edge
44%
29%
Break points saved·Slight edge
62%
51%
Aces / match·Slight edge
2.8
1.4
Double faults / match·Clear edge
2.6
3.4

Averages over each player's completed matches in the selected window (32 vs 5). ATP, WTA & Challenger.

Serve vs return

This season
Diaz Acosta F.serving83% hold

wins 65% of points on serve vs Mcdonald N.

Mcdonald N.serving51% hold

wins 51% of points on serve vs Diaz Acosta F.

Serve advantage — Diaz Acosta F.

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

Freshness

Recent load
Freshness·Dominant
53
87

Diaz Acosta F.: 2 days rest · 5 matches, 125 games (7d) · Mcdonald N.: 2 days rest · 1 match, 16 games (7d). Higher means fresher. About

When it starts

2nd on TENZER CENTER COURT · not before Followed By · 1 match still to finish ahead

  1. 1Choinski J. v D. Dedura
  2. 2Diaz Acosta F. v Mcdonald N.This match

Conditions

Court speed
Medium-slowfavours grinders
SlowFast
Weather forecast
17°COvercast
Wind 6 km/hHumidity 77%

Head to head

No previous meetings on record.