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Benjamin Willwerth vs Duncan Chan — Sioux Falls Qualifying Round of 32

Sioux FallsQ32QualifyingHardSun 25 Oct · 17:30
Benjamin WillwerthATP #848 · USA39%
VSSlight edge · Chan D.
Duncan ChanATP #472 · CAN61%
Win probabilityWho is more likely to winSlight edge · Chan D.
39%61%

Chan D. favoured, but within the range where form on the day decides.

Umpiry ScoreMatchup strength, 0–10 · not a probability
Willwerth B.4.8/10
Heavy underdogBased on 5/6 signal groups5/6
Chan D.6.0/10
Even matchBased on 5/6 signal groups5/6
Why
Surface form5 of last 10 on hardSupports Chan D.
CountryWon 38% in USA (26)Informative
Long matches2 three-setters in 14 daysInformative
Head-to-headNo prior meetingsBoth players
This eventDidn't play here last yearBoth players
ELO1 501
Hard ELO1 486
Last 107–3
Age19
EarningsCareer $50K2026 $18K
ELO1 579
Hard ELO1 561
Last 105–5
Age21
EarningsCareer $94K2026 $34K

Benjamin Willwerth faces Duncan Chan in the Sioux Falls qualifying round of 32 on hard. Duncan Chan is the paper favourite — ranked #472 — but Benjamin Willwerth arrives in form, winning 7 of their last 10 on hard to Duncan Chan's 5 of 10.

Key context

  • Fatigue load: Duncan Chan carries the heavier recent load — 2 three-setters to 0 in the past fortnight.
  • Surface form: Benjamin Willwerth 7 of 10, Duncan Chan 5 of 10 on hard recently — Benjamin Willwerth the sharper of late.

Common opponents

0 shared · last 12 months
No common opponents in the last 12 months. Surface form and ELO carry more weight here.

Head-to-head

They have not met before.

Evidence

Willwerth B.Chan D.
FormLast 10 matches each · 2026
Win–loss7–3 (ahead)5–5
Season win rate43% (10–13)53% (8–7) (ahead)
RatingUmpiry ELO
Overall ELO15011579 (ahead)
Hard-court ELO14861561 (ahead)
Serve vs returnLast 19 vs 14 matches
1st-serve points won68%68%
Return points won39%40% (ahead)
Aces / match1.93.8 (ahead)
ClutchLast 19 vs 14 matches
Break points saved60% (ahead)55%

Draw

Odds

Conditions

17:30 local
SurfaceHard
Forecast7°C · Overcast
Wind15 km/h
Humidity80%

Cite this

Umpiry, "Benjamin Willwerth vs Duncan Chan — Sioux Falls Qualifying Round of 32", https://umpiry.com/match/2026-10-25/chan-vs-willwerth-sioux-falls-q32?utm_source=cite (as of 25 October 2026).