Claus Piening vs Jack Karlsson Wistrand — M15 Bastad Q16

M15 Bastad · ITF · Q16
GER
Claus Piening
22 yrs
Last 10
LWWLWLLWWL
—
Sets
Tuesday, 18 August 2026 ·
clay
SWE
Jack Karlsson Wistrand
24 yrs
Last 10
WLWWLWWLWW
Piening C.
vs
Karlsson Wistrand J.

Claus Piening faces Jack Karlsson Wistrand in the M15 Bastad q16 on clay. Jack Karlsson Wistrand brings the better recent clay form (3 of 4).

Win Probability

Pre-match · updated 10:50 UTC
Piening C.29%
Karlsson Wistrand J.71%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Clear favourite · Karlsson Wistrand J. clearly ahead, but no certainty

Calibrated model (out-of-sample validated). Probability is a statistical estimate, not a certainty. How it works.

Key context

  • Last match: Jack Karlsson Wistrand dropped just 2 games past John Gabelic.
  • Surface form: Claus Piening 2 of 4, Jack Karlsson Wistrand 3 of 4 on clay recently — Jack Karlsson Wistrand the sharper of late.

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
Piening C.
6.1
Even matchUmpiry ScorePartial · surface data limited
Karlsson Wistrand J.
4.8
Heavy underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
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.

2 vs 2 matches

Statistics

This season
Piening C.Karlsson Wistrand J.
1st serve in·Clear edge
55%
76%
1st serve points won·Clear edge
58%
82%
2nd serve points won·Slight edge
41%
30%
Service points won·Clear edge
50%
70%
Return points won·Dominant
32%
62%
Break points saved·Even
50%
50%
Aces / match·Dominant
5.0
0.5
Double faults / match·Dominant
8.0
3.0

Averages over each player's completed matches in the selected window (2 vs 2). ATP, WTA & Challenger.

Serve vs return

This season
Piening C.serving41% hold

wins 46% of points on serve vs Karlsson Wistrand J.

Karlsson Wistrand J.serving84% hold

wins 65% of points on serve vs Piening C.

Serve advantage — Karlsson Wistrand J.

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

Conditions

Weather forecast
20°CPartly cloudy
Wind 13 km/hHumidity 64%

Head to head

No previous meetings on record.

Draw