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Max Hans Rehberg vs Stefan Kozlov — Sioux Falls Round of 16

Sioux FallsR16HardThu 29 Oct · 10:00
Max Hans RehbergATP #264 · GER73%
VSClear favourite · Rehberg M.
Stefan KozlovATP #284 · USA27%
Win probabilityWho is more likely to winClear favourite · Rehberg M.
73%27%

Clear edge for Rehberg M. across form, surface and matchup. Upsets at this level happen in about 1 in 4 such matches.

Umpiry ScoreMatchup strength, 0–10 · not a probability
Rehberg M.6.4/10
Marginal edge
Kozlov S.5.5/10
Slight disadvantage
Why
Surface+64 Hard Elo edgeSupports Rehberg M.
Overall ratingOverall Elo 1474Supports Rehberg M.
CountryWon 57% in USA (187)Informative
Head-to-headNo prior meetingsBoth players
This eventDidn't play here last yearBoth players
ELO1 747
Hard ELO1 630
Last 108–2
Age23
Height183 cm
PlaysRight
EarningsCareer $258K2026 $60K
ELO1 699
Hard ELO1 617
Last 103–7
Age28
Height183 cm
PlaysRight
EarningsCareer $1.1M2026 $50K

Max Hans Rehberg faces Stefan Kozlov in the Sioux Falls round of 16 on hard. Max Hans Rehberg holds the paper edge — ranked #264, a roughly 60-point hard Elo advantage.

Key context

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

Rehberg M.Kozlov S.
FormLast 10 matches each · 2026
Win–loss8–2 (ahead)3–7
Season win rate66% (40–21) (ahead)49% (23–24)
RatingUmpiry ELO
Overall ELO1747 (ahead)1699
Hard-court ELO1630 (ahead)1617
Serve vs returnLast 56 vs 47 matches
1st-serve points won70% (ahead)67%
Return points won41%41%
Aces / match3.1 (ahead)2.4
ClutchLast 56 vs 47 matches
Break points saved65% (ahead)55%

Draw

Odds

Conditions

10:00 local
SurfaceHard · medium-fast
Forecast6°C · Partly cloudy
Wind6 km/h
Humidity94%

Court pace medium-fast: rewards aggression.

Freshness

Last 7 & 14 days
Rehberg M.Kozlov S.
1Days since last match1
1Matches · 7 days1
18 — fresherGames · 7 days22
2Matches · 14 days1 — fresher
33Games · 14 days22 — fresher
Green marks the fresher player.

Cite this

Umpiry, "Max Hans Rehberg vs Stefan Kozlov — Sioux Falls Round of 16", https://umpiry.com/match/2026-10-29/kozlov-vs-rehberg-sioux-falls-r16?utm_source=cite (as of 29 October 2026).