Ryan Nijboer vs Tommaso CompagnucciSion Round of 16

Sion · CHALLENGER · Round of 16
#508ATP
27 yrs · 180 cm · Right-handed
Last 10 · pre-match
WLLWWWWLWW
0 — 2
Sets
Wednesday, 19 August 2026 ·
clay
COURT 1 · 1st on
#364ATP
1376ELO
1363Clay ELO
26 yrs · 173 cm · Right-handed
Last 10 · pre-match
WLWLWWLWWW
Nijboer R.
3-6 2-6
Compagnucci T.
Nijboer R.
320
Compagnucci T.
662

Tommaso Compagnucci defeated Ryan Nijboer 6-3, 6-2 in the Round of 16 at the Sion tournament on clay. Compagnucci converted 50% of his break points and won 68% of his first-serve points, while Nijboer converted 20% of his break points and won 58% of his first-serve points. Compagnucci had four aces to Nijboer's three and broke Nijboer's serve four times to Nijboer's one.

Key context

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Even
60%
64%
1st serve points won·Slight edge
73%
67%
2nd serve points won·Even
52%
49%
Service points won·Even
64%
61%
Return points won·Even
39%
41%
Break points saved·Even
59%
62%
Aces / match·Clear edge
5.0
2.6
Double faults / match·Slight edge
1.6
2.0

Averages over each player's completed matches in the selected window (11 vs 8). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 07:50 UTC
Nijboer R.52%
Compagnucci T.48%
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.

Umpiry Score

Pre-match
5.3
Clear underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
5.3
Clear underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
6.67 of last 10 on clay
Surface form
6.06 of last 10 on clay
Fatigue & Travel
7.01 three-setter 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.

Freshness

Recent load
Freshness·Even
86
86

Nijboer R.: 1 day rest · 1 match, 15 games (7d) · Compagnucci T.: 1 day rest · 1 match, 21 games (7d). Higher means fresher. About

Conditions

Weather
24°CClear
Wind 1 km/hHumidity 55%

Draw