Y. Nittmann vs Valerio Aboian — Bonn Qualifying Semi-final

Bonn · CHALLENGER · Qualifying Semi-final
GERWC
Y. Nittmann
#2200ATP
19 yrs
Last 10
LWWLLWW
—
Sets
Sunday, 26 July 2026 ·
clay
ARG9
Valerio Aboian
#424ATP
1348ELO
1339Clay ELO
24 yrs · 183 cm · Left-handed
Last 10
LLWLWWLWWW
Nittmann Y.
vs
Aboian V.

Y. Nittmann faces Valerio Aboian in the Bonn qualifying semi-final on clay. Valerio Aboian is the paper favourite — ranked #424 — but Y. Nittmann arrives in form, winning 4 of their last 7 on clay to Valerio Aboian's 3.

Win Probability

Pre-match · updated 03:50 UTC
Nittmann Y.46%
Aboian V.54%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

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

Key context

  • Surface form: Y. Nittmann 4 of 7, Valerio Aboian 3 of 7 on clay recently — Y. Nittmann the sharper of late.
  • Fatigue load: Y. Nittmann carries the heavier recent load — 1 three-setter to 0 in the past fortnight.

Common opponents

Last 12 months
No common opponents in the last 12 months.
Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.

Umpiry Score

Pre-match
Nittmann Y.
6.0
Even matchUmpiry ScorePartial · surface data limited
Aboian V.
6.0
Even matchUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
Surface form
5.16 of last 10 on clay
Win streak
0.0Lost last 2
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.

26 matches

Statistics

This season
Nittmann Y.Aboian V.
1st serve in·
—
59%
1st serve points won·
—
67%
2nd serve points won·
—
46%
Service points won·
—
58%
Return points won·
—
42%
Break points saved·
—
59%
Aces / match·
—
4.9
Double faults / match·
—
2.1

Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.

Freshness

Recent load
Nittmann Y.Aboian V.
Freshness·
—
100

Aboian V.: 19 days rest. Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast
Weather forecast
23°COvercast
Wind 16 km/hHumidity 59%

Head to head

No previous meetings on record.

Draw