Monday, October 26, 2026

Sioux Falls challenger 2026 (USA) 26.10.26

First-round previews from the Sioux Falls Challenger (indoor hard), with form, serve and return numbers and a full Tale of the Tape for every match. Times are as listed by the tournament schedule and may move with the order of play.

Alexis Galarneau vs Mees Rottgering

Sioux Falls Challenger · First Round · 26 October · 22:00

🧠 Form & Context

Alexis Galarneau

  • 📊 Ranked No. 182 at 27, 4–6 in his last 10.
  • 🎾 Matches Rottgering behind the first serve (68.7%) and is slightly stronger on the second (51.3%).
  • 🔒 Saves 59.6% of break points.
  • 🏆 Has won 55% of deciding sets this season.
  • ⚠️ Converts only 41.2% of break points.

Mees Rottgering

  • 📈 Ranked No. 331 at 19, left-handed, 6–4 in his last 10.
  • ⚔️ Won their only meeting, 6–3 4–6 6–3 indoors in Mouilleron-le-Captif last year.
  • 🔁 The better returner: 42% of return points won and 46.7% of break points converted.
  • 🏆 Has won 80% of deciding sets this season.
  • 🔥 Reached the quarter-finals in Fort Worth last week.

🔍 Match Breakdown

A rematch of an indoor three-setter last year, which Rottgering won. The 19-year-old left-hander is the favourite at 1.38 despite being ranked about 150 places lower.

On serve they are almost identical: 68.7% each on first-serve points, with Galarneau marginally ahead on the second serve and on break points saved.

The return is the difference. Rottgering wins 42% of return points against 40%, and converts 46.7% of his break chances against 41.2%.

Rottgering also has the better tight-set numbers: 56% of tiebreaks against 52%, and 80% of deciding sets this season against 55%.

Rottgering has the form, the return and the head-to-head. Galarneau has the experience and will need to keep this on serve.

📊 Tale of the Tape

MetricGalarneauRottgering
Ranking182331
Age2719
Last 104–66–4
Head-to-head01
First serves in58.5%58.1%
1st-serve points won68.7%68.7%
2nd-serve points won51.3%50.1%
Break points saved59.6%59.4%
Break points converted41.2%46.7%
Return points won (career)40%42%
Tiebreak win %52%56%
Deciding-set win % (career)50%53%
Best-of-3 win %55%59%

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Daniel Milavsky vs Harry Wendelken

Sioux Falls Challenger · First Round · 26 October · 22:00

🧠 Form & Context

Daniel Milavsky

  • 📊 Ranked No. 319 at 25, 4–6 in his last 10 but winning 63% of recent matches.
  • 🚀 The stronger server: 72.5% on first-serve points and 51.9% on second.
  • 🔒 Saves 63.7% of break points.
  • 🏆 64% career record in best-of-three.
  • ⚠️ Wins only 44% of tiebreaks.

Harry Wendelken

  • 📊 Ranked No. 213 at 24, 5–5 in his last 10.
  • 🎯 Converts 43.1% of break points.
  • 🏆 Wins 53% of tiebreaks and has won 64% of deciding sets this season.
  • 🎾 Wins 51.6% behind his second serve.
  • ⚠️ Lands only 56.9% of first serves and has won 42% of recent matches.

🔍 Match Breakdown

A first meeting. Milavsky, who reached the second round in Fort Worth last week, is the favourite at 1.55 despite a lower ranking.

Milavsky has the clear edge on serve: 72.5% of first-serve points won against 68.1%, more first serves in, and 63.7% of break points saved against 58.4%.

On return they are level at 40% of points won, with Wendelken converting slightly more of his break chances.

Wendelken has the better tight-set numbers: 53% of tiebreaks against 44%, and 64% of deciding sets this season against 40%.

Milavsky has the serve; Wendelken has the clutch record. If this goes to tiebreaks, the underdog has a real chance.

📊 Tale of the Tape

MetricMilavskyWendelken
Ranking319213
Age2524
Last 104–65–5
Head-to-head00
First serves in60.5%56.9%
1st-serve points won72.5%68.1%
2nd-serve points won51.9%51.6%
Break points saved63.7%58.4%
Break points converted41.2%43.1%
Return points won (career)40%40%
Tiebreak win %44%53%
Deciding-set win % (career)49%52%
Best-of-3 win %64%57%

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Andres Martin vs Kaylan Bigun

Sioux Falls Challenger · First Round · 26 October · 23:30

🧠 Form & Context

Andres Martin

  • 📊 Ranked No. 338 at 25, 4–6 in his last 10.
  • 🎾 Lands 63.6% of first serves and wins 50.6% behind his second.
  • 🔒 Saves 60.2% of break points.
  • 🔁 Slightly the better returner: 41% of return points won and 42.5% of break points converted.
  • ⚠️ Wins only 45% of tiebreaks.

Kaylan Bigun

  • 📊 Ranked No. 573 at 20, left-handed, 5–5 in his last 10 and winning 61% of recent matches.
  • 🔥 Won a round in Fort Worth last week and took Mayo to a final set.
  • 🚀 Wins 67.7% behind his first serve, 71% recently.
  • ⚠️ Weak on the second serve (47.3%) and saves only 55% of break points.
  • ⚠️ Only 34% of deciding sets won, with a 43% best-of-three record.

🔍 Match Breakdown

A first meeting between two players who both played in Fort Worth last week. Martin is the favourite at 1.60.

Behind the first serve they are level (68% vs 67.7%), but Martin lands more first serves (63.6% vs 57.1%) and is stronger on the second (50.6% vs 47.3%).

Martin also saves more break points (60.2% vs 55%) and is slightly the better returner.

Bigun's record in tight matches is a concern: 34% of deciding sets won and a 43% best-of-three record. They are level on tiebreaks at 45%.

Martin has the more complete numbers. Bigun has the better recent form and the left-handed angle.

📊 Tale of the Tape

MetricMartinBigun
Ranking338573
Age2520
Last 104–65–5
Head-to-head00
First serves in63.6%57.1%
1st-serve points won68.0%67.7%
2nd-serve points won50.6%47.3%
Break points saved60.2%55.0%
Break points converted42.5%39.3%
Return points won (career)41%40%
Tiebreak win %45%45%
Deciding-set win % (career)53%34%
Best-of-3 win %56%43%

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Dylan Dietrich vs Colton Smith

Sioux Falls Challenger · First Round · 26 October · 23:30

🧠 Form & Context

Dylan Dietrich

  • 🔥 Ranked No. 252 at 22, 8–2 in his last 10 and winning 80% of recent matches.
  • 🏆 Wins 62% of tiebreaks and has won 67% of deciding sets this season.
  • 🔒 Has saved 67% of break points recently.
  • 🚀 Wins 69.4% behind his first serve, 74% recently.
  • 📏 A small sample of matches at this level.

Colton Smith

  • 📊 Ranked No. 218 at 23, 6–4 in his last 10.
  • 🎾 Lands 64.4% of first serves and wins 52.2% behind his second.
  • 🔒 Saves 64.1% of break points.
  • 🏆 Has won 61% of deciding sets over his career.
  • ⚠️ Wins only 39% of tiebreaks.

🔍 Match Breakdown

A first meeting. Dietrich arrives on an 8–2 run and is the favourite at 1.51, despite being ranked lower than Smith.

Smith is the more consistent server: more first serves in (64.4% vs 61%), a stronger second serve and more break points saved (64.1% vs 59.6%).

Dietrich wins slightly more behind his first serve and on return (41% vs 40% of return points).

In tight moments Dietrich has the big edge: 62% of tiebreaks against Smith's 39%, and 67% of deciding sets this season against 44%.

Smith has the steadier serve; Dietrich has the form and the tiebreak record. Our data on Dietrich is still limited.

📊 Tale of the Tape

MetricDietrichC. Smith
Ranking252218
Age2223
Last 108–26–4
Head-to-head00
First serves in61.0%64.4%
1st-serve points won69.4%68.9%
2nd-serve points won49.4%52.2%
Break points saved59.6%64.1%
Break points converted40.6%42.3%
Return points won (career)41%40%
Tiebreak win %62%39%
Deciding-set win % (career)54%61%
Best-of-3 win %64%61%

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