Guilherme Barbieri Renner vs Joao Eduardo Schiessl

UMPIRY

M15 MaringaR16ClayThu 15 Oct · 16:30

Guilherme Barbieri RennerBRA18%

VSStrong favourite · Schiessl J.

Joao Eduardo Schiessl(2)ATP #492 · BRA82%

Win probabilityWho is more likely to winStrong favourite · Schiessl J.

18%82%

Clear edge for Schiessl J. across form, surface and matchup. Upsets at this level happen in about 1 in 6 such matches.

Umpiry ScoreMatchup strength, 0–10 · not a probability

Barbieri Renner G.5.9/10

Even matchBased on 5/6 signal groups5/6

Schiessl J.6.0/10

Even matchBased on 5/6 signal groups5/6

Why

Surface form5 of last 10 on clayInformative

Long matches1 three-setter in 14 daysInformative

Head-to-headNo prior meetingsBoth players

This eventDidn't play here last yearBoth players

ELO1 503

Clay ELO1 506

Last 105–4

Age18

ELO1 631

Clay ELO1 615

Last 106–4

Age22

Guilherme Barbieri Renner faces Joao Eduardo Schiessl in the M15 Maringa round of 16 on clay. Recent clay form is closely matched.

Key context

Last match: Guilherme Barbieri Renner dropped just 3 games past Thiago Horacio Messa.
Fatigue load: Joao Eduardo Schiessl carries the heavier recent load — 2 three-setters to 0 in the past fortnight.
Surface form: Both 5 of 8 on clay recently — court-specific quality nearly identical despite the ranking gap.

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

Barbieri Renner G.Schiessl J.

FormLast 9 vs 10 matches · 2026

Win–loss5–46–4

Season win rate50% (3–3)51% (21–20)

RatingUmpiry ELO

Overall ELO15031631

Clay-court ELO15061615

Serve vs returnLast 2 vs 36 matches

1st-serve points won63%63%

Return points won40%41%

Aces / match1.52.4

ClutchLast 2 vs 36 matches

Break points saved55%54%

Draw

Odds

Conditions

16:30 local

SurfaceClay

Forecast22°C · Drizzle

Wind8 km/h

Humidity93%

Cite this

Umpiry, "Guilherme Barbieri Renner vs Joao Eduardo Schiessl — M15 Maringa Round of 16", https://umpiry.com/match/2026-10-15/renner-vs-schiessl-m15-maringa-r16?utm_source=cite (as of 15 October 2026).