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Gonzalo Bueno vs Carlos Maria Zarate — Guayaquil Round of 16

GuayaquilR16ClayThu 29 Oct · 12:30
Win probabilityWho is more likely to winSlight edge · Bueno G.
59%41%

Bueno G. favoured, but within the range where form on the day decides.

Umpiry ScoreMatchup strength, 0–10 · not a probability
Bueno G.6.9/10
Slight advantage
Zarate C.3.8/10
Heavy underdog
Why
Surface+282 Clay Elo edgeSupports Bueno G.
Overall ratingOverall Elo 1491Supports Bueno G.
Long matches1 three-setter in 14 daysAgainst the prediction · Zarate C.
Head-to-headNo prior meetingsBoth players
This eventDidn't play here last yearBoth players
ELO1 728
Clay ELO1 698
Last 104–6
Age22
EarningsCareer $408K2026 $192K
ELO1 631
Clay ELO1 610
Last 106–4
Age21
EarningsCareer $47K2026 $24K

Gonzalo Bueno faces Carlos Maria Zarate in the Guayaquil round of 16 on clay. Gonzalo Bueno holds the paper edge — ranked #197, a roughly 280-point clay Elo advantage. Recent clay form is closely matched.

Key context

  • Freshness: Gonzalo Bueno comes in with 1 days of rest and 78 games in 14d, vs Carlos Maria Zarate's 5 and 113.
  • Surface form: Both 4 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

Bueno G.Zarate C.
FormLast 10 matches each · 2026
Win–loss4–66–4 (ahead)
Season win rate54% (34–29)63% (33–19) (ahead)
RatingUmpiry ELO
Overall ELO1728 (ahead)1631
Clay-court ELO1698 (ahead)1610
Serve vs returnLast 60 vs 44 matches
1st-serve points won63%70% (ahead)
Return points won42%42%
Aces / match1.13.0 (ahead)
ClutchLast 60 vs 44 matches
Break points saved58%60% (ahead)

Draw

Odds

Conditions

12:30 local
SurfaceClay · medium
Forecast31°C · Drizzle
Wind2 km/h
Humidity66%

Court pace medium: balanced pace.

Freshness

Last 7 & 14 days
Bueno G.Zarate C.
1Days since last match5 — fresher
2Matches · 7 days2
53Games · 7 days50 — fresher
3 — fresherMatches · 14 days5
78 — fresherGames · 14 days113
Green marks the fresher player.

Cite this

Umpiry, "Gonzalo Bueno vs Carlos Maria Zarate — Guayaquil Round of 16", https://umpiry.com/match/2026-10-29/bueno-vs-zarate-guayaquil-r16?utm_source=cite (as of 29 October 2026).