UMPIRY
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Marko Retelj vs Ethan David Zapp — M15 Singapore Qualifying Round of 32

M15 SingaporeQ32QualifyingHardSun 25 Oct · 14:30
Marko ReteljSLO61%
VSSlight edge · Retelj M.
Ethan David ZappINA39%
Win probabilityWho is more likely to winSlight edge · Retelj M.
61%39%

Retelj M. favoured, but within the range where form on the day decides.

Umpiry ScoreMatchup strength, 0–10 · not a probability
Retelj M.6.1/10
Even matchBased on 5/6 signal groups5/6
Zapp E.6.1/10
Even matchBased on 5/6 signal groups5/6
What we know
Head-to-headNo prior meetingsBoth players
This eventDidn't play here last yearBoth players
ELO1 513
Hard ELO1 503
Last 104–6
Age18
ELO1 485
Hard ELO1 492
Last 102–6
Age18

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

Retelj M.Zapp E.
FormLast 10 vs 8 matches · 2026
Win–loss4–6 (ahead)2–6
Season win rate59% (10–7) (ahead)20% (1–4)
RatingUmpiry ELO
Overall ELO1513 (ahead)1485
Hard-court ELO1503 (ahead)1492
Serve vs returnLast 12 vs 4 matches
1st-serve points won67% (ahead)57%
Return points won41% (ahead)38%
Aces / match1.5 (ahead)0.8
ClutchLast 12 vs 4 matches
Break points saved56% (ahead)40%

Draw

Odds

Conditions

14:30 local
SurfaceHard
Forecast26°C · Showers
Wind10 km/h
Humidity89%

Cite this

Umpiry, "Marko Retelj vs Ethan David Zapp — M15 Singapore Qualifying Round of 32", https://umpiry.com/match/2026-10-25/retelj-vs-zapp-m15-singapore-q32?utm_source=cite (as of 25 October 2026).