Sander Jong vs Lasse Poertner — Heilbronn Qualifying Final

Heilbronn · CHALLENGER · Qualifying Final
NEDPR
Sander Jong
#869ATP
26 yrs · 180 cm · Right-handed
Last 10 · pre-match
LWWWLLLWL
2 — 0
Sets
Monday, 1 June 2026 ·
clay
PLAZA COURT · 3rd on
GERWC
Lasse Poertner
#1653ATP
20 yrs · 196 cm · Right-handed
Last 10 · pre-match
WLWWL

Sander Jong won five games in a row to see off Lasse Poertner 6-3 7-5 in the Heilbronn qualifying final.

Key context

  • Set 1, game 8: Sander Jong broke serve.
  • Set 2, game 1: Sander Jong broke serve.
  • Pressure points: Sander Jong converted 3 of 6 break points; Lasse Poertner converted 1 of 1 break points.

Umpiry Score

Pre-match
Jong S.
5.2
Clear underdogUmpiry ScorePartial · surface data limited
  • Back-to-back day (−0.5)
Poertner L.
5.7
Slight disadvantageUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0No prior meetings
4.22 of last 5 on clay
Surface form
7.03-match win streak
Win streak
0.0
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.

Jong S.
672
Poertner L.
350

Conditions

Weather
24°COvercast
Wind 11 km/hHumidity 43%

Head to head

No previous meetings on record.

Statistics

Recent form
Jong S.Poertner L.
58%1st serve in+3%55%
83%1st serve points won+16%67%
53%2nd serve points won+4%49%
70%Service points won+11%59%
36%Return points won+2%38%
82%Break points saved+21%61%
13.3Aces / match+10.52.8
3.3Double faults / match+25.3

Averages from each player's recent completed matches (3 vs 4). ATP, WTA & Challenger.

Draw — qualifying